Explanation:
The cell types in a multicellular organism become different from one another because they synthesize and accumulate different sets of RNA and protein molecules. They generally do this without altering the sequence of their DNA.
Muscle fiber contraction occurs via the generation and transmission of: Select one: a. Excitation-Contraction Coupling b. Action Potentials c. Power Strokes d. Twitch Fibers
Option B is the right answer. Muscle fiber contraction occurs via the generation and transmission of: Action potential.
The phrase "excitation-contraction coupling" (ECC), first used by Alexander Sandow in 1952, refers to the quick exchange of electrical information between electrical events happening in the plasma membrane of skeletal muscle fibres and Ca2+ release from the SR, which causes contraction. When a muscle fibre or set of fibres receives a signal from the brain via nerves to activate and increase tension inside the muscle, muscular contraction takes place. Activation of muscle fibres is another name for it. Three distinct muscle types make up your body, and there are three ways in which they might contract. The neuromuscular junction, which is the synapse between a motoneuron and a muscle fibre, is where skeletal muscle contraction starts.
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photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that
photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that c. Instead of organic compounds, sunlight generates energy.
Photophosphorylation is the use of light energy from photosynthesis to ultimately provide the energy to convert ADP to ATP. Photophosphorylation takes place in chloroplast during light reaction whereas oxidative phosphorylation takes place in mitochondria during respiration.
All green cells on illumination accomplish photophosphorylation whereas all living cells perform oxidative phosphorylation. In photophosphorylation, energy stored in ATP is obtained by sun, whereas in oxidative phosphorylation, energy stored in ATP is obtained by oxidation of organic compounds. Splitting of water occurs in photophosphorylation whereas synthesis of metabolic water occurs in this process. Photophosphorylation produces reduced coenzymes, whereas oxidative phosphorylation oxidises reduced coenzymes.
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(Complete question)
photophosphorylation during photosynthesis differs from oxidative phosphorylation during cellular respiration in that
a. energy is stored in the form of a proton (H+) concentration difference.
b. it involves an electron transport chain.
c. the energy is provided by sunlight not by organic compounds.
d. generation of ATP is driven by a flow of protons (H+) through ATP synthase.
How many genotypes do 4 genes have?
4 alleles there are 1 + 2 + 3 + 4 = 10 genotypes.
The genotype of an organism is its complete set of genetic material. Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location.
The number of alleles an individual can have in a specific gene depends on the number of copies of each chromosome found in that species, also referred to as ploidy. In diploid species like humans, two full sets of chromosomes are present, meaning each individual has two alleles for any given gene.
If both alleles are the same, the genotype is referred to as homozygous. If the alleles are different, the genotype is referred to as heterozygous.
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20. A woman has type O blood and her husband has type AB blood. Is it possible for them to have children with the same blood type as their parents?
21. Can a man with type B blood and a woman with type A blood have a child with type O blood?
22. Cross a man that is heterozygous type A and a woman that is homozygous type B. What percentage of their children will be type AB?
23. Which of the following genotypes results in the same phenotype?
a. IAIA and IAIi c. ii and IBi
b. IAIB and IAIA d. IAIB and IAIA
20. A woman has type O blood and her husband has type AB blood. Is it possible for them to have children with the same blood type as their parents? Each biological parent donates one of their two ABO alleles to their child. A mother who is blood type O can only pass an O allele to her son or daughter.
21. Can a man with type B blood and a woman with type A blood have a child with type O blood? One parent with A and another with B can produce a child with A, B, AB or O blood types. If one parent has A and another has AB, they can either produce a child with A, B or AB blood types. If one parent has A and another has O, they can either produce a child with A or O blood types. For example my father has an A blood type and my mother has an O blood type. My blood type is O+.
22. Cross a man that is heterozygous type A and a woman that is homozygous type B. What percentage of their children will be type AB? There is no chance of a child with Type O. If one parent is AB, there is no chance any child can be O because the AB parent doesn't have a "i" to pass on.
23. Which of the following genotypes results in the same phenotype?
a. IAIA and IAIi c. ii and IBi
b. IAIB and IAIA d. IAIB and IAIA
Anwser: IAIA and IAil
I hope this helped you and sending you wonderful Christmas whishes!
Background Describe Claire's symptoms. Explain how they were related to metabolism and homeostasis.
Claire's symptoms include an increased appetite, less energy, and continuing to eat without an obvious weight gain. Claire's mood is currently positive, despite the fact that she has recently been more anxious than thrilled about her career. Claire always liked reading, but she claims that her eyesight has worsened to the point that she can no longer do so.
Claire's Symptoms were Metabolic and HomeostaticThe body stores and consumes energy through metabolism. Homeostasis is needed for metabolism to work, and metabolism helps preserve homeostasis. Stress, activity, and employment may disturb Claire's metabolism and symptoms. Thus, it can be stated that there was a homeostatic imbalance that affected her metabolism.
The following are Claire's complete background symptoms that the student needs to analyze:
Claire's mood is good, as she pictures or describes her symptoms, albeit she has recently been more overwhelmed than energized about her work. Claire used to enjoy reading, but she says she hasn't been able to do so recently due to her impaired eyesight. Claire opens up about having put in so much work as a mother that she regrets that her employment will be the moment at which her children leave for college. Besides, her mother's health is deteriorating, and she is concerned that her better half, who has been spending a great deal of time away from home, may abandon her. Claire is able to sleep because she took a medication before bed. She doesn't have enough energy during the day because she doesn't do much. Claire has gained thirty pounds since she stopped working and now spends most of her time at home watching TV and surfing the internet. Claire's mother has been chastising her for using Lortabs and drinking alcohol, which Claire accepts as motivation to keep it together. Claire states she's burned up with letting her family down before the meeting ends.Learn more about Claire’s symptoms here: brainly.com/question/28685931
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which statement about mutations is incorrect? gene mutations affect a single gene, whereas chromosome mutations affect the number or structure of chromosomes. somatic mutations are numerous, occurring at a rate one per every million cell division. germ-line and somatic mutations are both passed on to offspring. mutations are a source of all genetic variation. mutations can be used to examine biological processes.
The statement that is incorrect is that somatic mutations are numerous, occurring at a rate one per every million cell division. While somatic mutations do occur at a high rate, they are not as numerous as germ-line mutations and occur at a rate much lower than one per million cell divisions.
Gene mutations are changes in the sequence of DNA that affect a single gene and can be either germ-line or somatic mutations. Chromosome mutations involve changes in the number or structure of chromosomes, and can also be either germ-line or somatic mutations.
Mutations are a major source of genetic variation in a population and can be used to study biological processes. For example, mutations in genes can help us to understand how genetic variation affects the phenotype of an organism. Mutations can also be used to create model organisms, such as those used in cancer research.
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What blood type has antibodies for a B and Rh antigens?
The blood type that has antibodies for both B and Rh antigens is the O negative blood type. This type of blood is considered the universal donor, meaning it can be safely transfused to any other blood type without fear of the recipient's body rejecting the donated blood.
The O negative blood type is extremely rare, making up only about 7% of the population. It is the only type of blood that has no antigens present, meaning that it is the only type of blood that does not contain either the A, B, or Rh antigens. This makes it ideal for transfusions as it is not compatible with any other blood type.
The B antigen is the most common blood antigen, and the Rh antigen is the second most common. Both of these antigens can cause a reaction when transfused to someone with a different blood type. Due to the lack of these antigens in O negative blood, it can safely be given to someone of any other blood group without fear of a reaction.
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Is sanitiser a disinfectant?
Sanitizing surfaces using chemicals destroys germs. It is not designed to eliminate viruses. Yes, the EPA does register sanitizing goods. Disinfecting surfaces using chemicals destroys viruses and germs.
Alcohol, a surface disinfectant, is the major active element in hand sanitizers. As a result, the term "hand sanitizer" is a bit misleading because it is actually a disinfectant.
Sanitisers are compounds that may kill germs such as bacteria that cause food poisoning and other ailments. When applied correctly, they can decrease bacterial surface contamination to an acceptable level.
Depending on the dose, household bleach (chlorine as sodium hypochlorite) is active against most germs, including bacterial spores, and can be used as a disinfectant or sanitizer.
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With biochemical evidence we know that all living things use the same what?
Answer:
With biochemical evidence, we know that all living things use the same basic molecules and processes to sustain life. These molecules and processes include DNA, RNA, proteins, carbohydrates, lipids, and a variety of enzymes and metabolic pathways that allow cells to grow, reproduce, and respond to their environment. These common features of life are thought to have evolved over time through a process known as evolution, which has resulted in the diversity of life we see on Earth today.
mark had a stroke that damaged broca's area in his left frontal lobe. what ability would be most affected by this injury?
If mark had a stroke that damaged Broca's area in his left frontal lobe. his ability of Speech production would be most affected by this injury.
The functions associated with speech production are the primary focus of Broca's area, which is located in the left frontal lobe of the dominant hemisphere. Thus, whenever it is harmed, it influences discourse creation.
Changes in behavior and personality, self-control, and decision-making are all influenced by the frontal lobe.
The primary function of Wernicke's area, which is located in the temporal lobe, is language comprehension.
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bones are somewhat flexible due to ________.
As the name suggests, cartilage, a robust but relatively flexible kind of connective tissue, connects the neighbouring bones at a cartilaginous joint.
A synchondrosis, which means "connected by cartilage," is a cartilaginous junction where bone and hyaline cartilage are bonded or fused together. Both permanent and transitory synchondroses are possible. The epiphyseal plate (growth plate) of a developing long bone is a transient synchondrosis. The area of developing hyaline cartilage that connects the diaphysis (shaft) of a long bone to the epiphysis is known as the epiphyseal plate (end of the bone). The epiphyseal plate cartilage expands and is replaced by bone during bone lengthening, increasing the diaphysis (see section 6.4). During the formative years of childhood, the rates of cartilage growth and bone formation are equal and thus the epiphyseal plate does not change in overall thickness as the bone lengthens.
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dna is made up of different types of nucleotides. which part of a nucleotide is used to determine one nucleotide from another?
DNA is the genetic material found in all living organisms. It is composed of four nucleotides: adenine (A), cytosine (C), guanine (G) and thymine (T). These nucleotides are the building blocks of DNA and provide the genetic code that determines the structure and function of an organism.
A nucleotide is composed of three parts: a five-carbon sugar molecule, a nitrogenous base, and a phosphate group. The five-carbon sugar molecule is the same for each nucleotide, but the nitrogenous base is different for each nucleotide. For example, adenine has a nitrogenous base of adenine, cytosine has a nitrogenous base of cytosine, and so on. The nitrogenous base is the part of the nucleotide that is used to determine one nucleotide from another.
The nitrogenous bases are classified into two groups: purines and pyrimidines. Purines are larger molecules with two nitrogenous bases, adenine and guanine, while pyrimidines contain one nitrogenous base, cytosine and thymine. Each nucleotide is unique because of the specific nitrogenous base that it contains. For example, adenine is only found with thymine, and guanine is only found with cytosine. This is known as complementary base pairing and is essential for DNA replication.
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How do virus differ from living cells?
The main characteristic of viruses that distinguishes them from cells is that the viruses are alive only when they come in contact with the living body.
What are the evidences of occurrence of viruses?The earliest evidence for the occurrence of viruses was the discovery of an infectious agent in the sap of a tobacco plant. Experiments were set with different filters from which bacteria could pass but viruses being even smaller than bacteria could not pass.
Viruses were difficult to study because they are very small and couldn't be seen even under a microscope.Wendell Stanley made his studies on the tobacco mosaic virus (TMV).
Therefore, The main characteristic of viruses that distinguishes them from cells is that the viruses are alive only when they come in contact with the living body.
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Bulary Review: Dose-response Analysis Reset Help 1. The is the adverse effects an organism experiences when exposed to a toxic substance. dose 2. The amount of a toxic substance to which an organism is exposed is the response 3. Some toxic substances elicit effects only when they overwhelm the body's defenses above an) dose. LDS ED. threshold 4. One example of a(n) would be the quantity of a toxic substance that causes 50% of lab rats to show reduced appetite after exposure. 5. The organisms. is the quantity of a toxic substance needed to kill half of the study Cuba\\
Drug efficacy in cell lines is tested in research called drug dose-response studies. To determine which medications should be tested on patients first, they are frequently employed in cancer research.
1. Reaction
Regarding side effects or drug effectiveness, it refers to how a drug affects a pathologic or physiological process.
2. Dose
It is the dosage of a prescription or medication that a doctor advises patients to take and when.
3. Threshold
When a harmful chemical surpasses the body's defences above a certain threshold, they occasionally only produce a response.
4. ED50
The amount of a medication that will have an effect on 50% of the population receiving it is known as the median effective dose response.
5. LD50
50 % Lethal Dose. It gauges a substance's toxicity. It will calculate the amount of medication needed to eliminate half the population.
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What are the end product and reactants in light-dependent reaction and light independent reaction?
The light-dependent processes involving the Calvin cycle byproducts ADP and NADP+ replenish the reactants.
To manufacture carbohydrates from light, water, and carbon dioxide, the entire photosynthetic process depends on the coordinated operation of both the light-dependent and dark processes.
The energy-storing molecule ATP and the reduced electron carrier NADPH are produced by the light-dependent processes using light energy, which is then used to create the other two molecules required for the next phase of photosynthesis. In the thylakoid membranes of organelles referred to as chloroplasts in plants, light reactions take occur.
Glucose, NADP+, and water are the end products of the light independent process. NADPH, CO2, and ATP are the reactants.
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Which would be a good source to find weather information about your town from last month?
A old copies of local newspapers
B reference book about weather
C a magazine with weather articles
(option B) reference book about weather would be a good source to find weather information about your town from last month.
what is weather?Weather refers to the state of the atmosphere and includes terms like how hot or cold, wet or dry, quiet or stormy, clear or foggy, etc.
what is information?Information is a general term for everything with the capacity to inform. Information is most fundamentally concerned with the interpretation of what may be sensed. which can also be the condition of the atmosphere, including its temperature, pressure, wind, humidity, precipitation, and cloud cover, is referred to as the weather. It is distinct from climate, which is the average of all weather events for a certain place over around 30 years.
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This diagram shows the bone of an arm. Name bone C.
Answer: we dont have the diagram buddy -_-
Explanation:
What causes a point mutation and give an example?
A point mutation occurs when a single nitrogenous base is substituted, deleted, or inserted in a single base pair of DNA. Sickle cell anaemia is an example of a point mutation.
A point mutation is a genetic mutation that occurs when a single nucleotide base in an organism's genome is changed, inserted, or deleted. Point mutations have a variety of effects on the downstream protein product, with moderately predictable consequences based on the specifics of the mutation. In terms of protein production, composition, and function, these consequences can range from having no effect (e.g., synonymous mutations) to having a negative effect (e.g., frameshift mutations).
Transitions occur when a purine base is replaced with another purine or a pyrimidine is replaced with another pyrimidine. Transversions occur when a purine is replaced by a pyrimidine or vice versa. Missense mutations result in the production of a different amino acid. A missense mutation, also known as a non-synonymous change, alters a codon to produce a different protein.
The term point mutation is sometimes used to describe insertions or deletions of a single base pair (which has a greater negative effect on the synthesised protein because the nucleotides are still read in triplets, but in different frames: a mutation known as a frameshift mutation).
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Please select the word from the list that best fits the definition
Illegitimate power that is achieved by force or the threat of force.
Answer: the answer is c
Explanation:
Which of these is a benefit of naturally occurring forest fires?
Answer: C
Explanation: In northern Canada, a population of rabbits was predominantly white in color. The allele for white color is recessive, while the allele for gray color is dominant. Over the last several decades, the average annual temperature of this area has increased, and the long-term deposits of ice and snow have become scarce. We see the result of this change in the graph above.
How can we explain this change in terms of allelic frequency?
Responses
Researchers believe that schizophrenia has a strong biological basis. the neurotransmitter?
Some researchers have proposed a neurodevelopmental origin for schizophrenia based on anatomical studies that suggest abnormal brain development and premorbid functional deficits.
Recent neurochemical hypotheses have focused on the cortical amino acid neurotransmitter systems . A mental illness called schizophrenia is characterized by recurrent or ongoing psychotic episodes The main symptoms include delusions, disordered thinking, and hallucinations (which usually involve hearing voices). Apathy, diminished emotional expression, and social detachment are further signs. Symptoms often appear gradually, start in adolescence, and in many cases never go away. The diagnosis is made based on observable behavior, a history that includes the person's reported experiences, and the reports of people who are familiar with the person. There is no objective diagnostic test. Symptoms and functional impairment must be present for six months (DSM-5) or one month in order to be diagnosed with schizophrenia (ICD-11). Many persons who suffer from schizophrenia often have other mental illnesses, particularly substance abuse, depression, anxiety, and obsessive-compulsive disorders.To know more about schizophrenia
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The plant in the vivarium uses
Answer: Vivariums are enclosed spaces designed to provide a stable environment for animals and plants to be observed or studied.
___ takes place when a hot body of magma intrudes into the cold, upper part of the
crust.
Metamorphism takes place when a hot body of magma intrudes into the cold, upper part of the crust.
What do you mean by metamorphism?Metamorphism is a process that changes preexisting rocks into new forms because of increases in temperature, pressure, and chemically active fluids. Metamorphism may affect igneous, sedimentary, or other metamorphic rocks.
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.
Most metamorphic rocks occur in fold mountain belts or cratonic areas. Such rocks cover large areas of the Earth's crust and are therefore termed regional metamorphic rocks.
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How is protein made using information?
The two procedures are transcription and translation. Transcription is the process through which the genetic information of DNA is transformed into mRNA in the nucleus. These three processes—initiation, elongation, and termination—combine to form this process.
Where do proteins come from?Proteins are composed of long chains of amino acids that fold into recognizable three-dimensional structures.
The bonds that help secure the structure of proteins' final folded forms within the protein molecules make them well-suited for their functions.
The first step in the synthesis of proteins is transcription. The transcription process converts DNA into messenger RNA, or mRNA.
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What are epigenetic mutations?
Epigenetics is the study of how your behaviors and environment can cause changes that affect the way your genes work.
Gene Expression with Gene Expression 1- Concept Map Name Transcription Akaryotes mature MANA coding strand Decons E cap FMANA G prokaryotes H poly At template strand Sliceosome Kintrons LRNA polymerase carried out by the en ryme 12. 1. ready to be used in wynthesizes 2. unders processing in copies the information in the by adding to the 5 enda 6. 11. using complementary base pairing and the andato the end 7. results in and by the action of the connects 8. removes 10
It looks like you have provided a concept map with a list of terms related to gene expression.
What is gene expression?Gene expression refers to the process by which the information encoded in a gene is used to produce a functional product, such as a protein.
In prokaryotes (bacteria), transcription is the process by which the information in a gene is copied into RNA. This is carried out by an enzyme called RNA polymerase. The template strand of the DNA, which carries the information for the gene, is used as a template to synthesize a complementary RNA molecule. The resulting RNA molecule is called messenger RNA (mRNA).
In eukaryotes (organisms with a true nucleus, such as plants and animals), transcription is a more complex process. The DNA is first transcribed into a primary transcript called pre-mRNA. The pre-mRNA then undergoes a series of processing steps, including splicing, to remove non-coding segments called introns. The resulting mature mRNA is then ready to be used in protein synthesis.
Transcription is regulated at various levels, including at the level of transcription initiation, elongation, and termination. Transcription factors, which are proteins that bind to specific DNA sequences, play a key role in regulating transcription.
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What is an example of a risk control method used in a workplace?
Examples of engineering risk control measures could be installing a physical safety guard between the moving parts of a machine and the operator, or it could be installing safety cut-offs to allow fast shutdown in the case of imminent accident or injury.
Discovering, evaluating, and prioritizing risks is part of risk management. This is done to reduce, monitor, and control the likelihood or impact of unfavorable events or to maximize the realization of possibilities (defined by ISO 31000 as the influence of uncertainty on objectives). Instability in international markets, threats from project failures (at any stage of design, development, production, or maintenance of life cycles), legal liabilities, credit risk, accidents, natural causes and disasters, deliberate attack from an adversary, events with ambiguous or unpredictable root causes are just a few examples of the many different kinds of risks that can happen.
The complete question is:
What is an example of a risk control method used in a workplace?
1. Elimination
2. Substitution
3. Engineering controls
4. Administrative controls
5. Persona
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which statement describes the relationsip between the reactants of photosynthesis and the products of cellular respiration
The statement that describes the relationship between the reactants of photosynthesis and the products of cellular respiration is as follows: The products of cellular respiration serve as the reactants of photosynthesis (option B).
What is photosynthesis?Photosynthesis is the process whereby green plants synthesize their own food (sugar) in the presence of sunlight.
During photosynthesis, plants take in carbon dioxide and water from the air and soil respectively. Glucose sugar is produced in the chloroplast of the cell.
Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
Based on the above explanation, it can be said that photosynthesis combines water and carbondioxide as reactants to form glucose and oxygen as products.
On the other hand, cellular respiration combines glucose and oxygen as reactants to form carbondioxide and water as products.
Therefore, cellular respiration and photosynthesis are opposite of one another.
The options to the incomplete question are as follows:
A. The products of cellular respiration are the products of photosynthesis.
B. The products of cellular respiration serve as the reactants of photosynthesis.
C. The reactants of cellular respiration are the reactants of photosynthesis.
D. Cellular respiration and photosynthesis are unrelated
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The ________ and __________ are the vessels in the fetal pig heart that is absent in adults.
The foramen ovale is the part of the adult heart that corresponds to the fetal heart's opening between its two atria.
In contrast to adult pig hearts, the foramen ovale is not present in fetal pig hearts. Between the right and left auricle, there is a little gap that allows blood to flow freely.
The foramen shuts immediately after birth as a result of rising pressure in the heart chambers, including the cessation of placental flow, which raises right atrial pressure, and the aeration and ventilation of the lungs, which raises venous return from the lungs and raises left atrial pressures.
During fetal development, blood can flow from the right atrium to the left atrium through a hole in the heart tissue called the foramen ovale.
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What is Stage 1 of the Calvin cycle called?
Answer: Carbon fixation or just fixation might be listed on the answer log depending on who generated the test.
Good Luck!
What are five important things biology helps us do?
Answer:
Understand the spread of diseases in order to prevent receiving them.Gain an appreciation for life and nature.Study the spread of hereditary diseases and disabilities.Bring awareness to the spread and prevention of STIs.Learn how the reproduction of cells work and how that can lead to the formation of cancer cells and/or mutations in cells.