The virus wouldn't be able to make DNA to ingest into the genome of the host.
As the first step in the creation of an infectious, lytic virus, excision of the prophage DNA from the host chromosomal DNA can occasionally result in the removal of some of the host cell DNA, which is packaged into defective bacteriophages; part of the bacteriophage DNA is removed and replaced at the other end by a gene of the host bacterial species. This type of virus is known as a transducing phage because, after infecting a bacterial cell, it can transfer the gene it has captured via phage DNA to the subsequent bacterial cell it infects. The effective transfer of genetic information from one bacterial cell to another is made possible by bacteriophages.To know more about virus
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Based upon previous lessons in Metric measurement, what would your mass be on the moon with low gravity if you weigh 100 lbs.? (Hint: 2.2lbs = 1kg) Use conversion factors. __4. What would be the volume (cm3 ) of the 3 marbles if they each have a radius of 0.75cm and were not in the graduated cylinder with water? Assuming that volume of a sphere is V = 4/3 πr3
Answer: 10.5kg
Explanation: 100x2.2/1kg
3
Plants take in __________ from the environment and release __________ back into the environment.
Intake of carbon dioxide from the atmosphere and emission of oxygen are both accomplished by plants.
Where do the plants absorb and expel?Through their roots, plants absorb the water they require from the soil. Plants can absorb the gas carbon dioxide from the air by way of microscopic holes in their leaves. Once they have carbon dioxide and water, they can use solar energy to create food.
What kind of waste gas does a plant release?Through the stomata, extra oxygen gas created by photosynthesis is expelled during the day. Normally, photosynthesis consumes the carbon dioxide produced by respiration.
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Place the events of excitation contraction coupling in order from the action potential being produced at the neuromuscular junction to finish.
a. Ca2+ diffuses out into the sarcoplasm
b.Ca2+ release channels in SR open
c. Action Potentials conducted along transverse tubules
d. AP opens voltage gated Ca2+ channels in T-tubules
e. Ca2+ binds to troponin beginning contraction
The junctional folds and sarcolemma serve as the starting point for the excitation-contraction coupling events, which then move on through the T tubules and sarcoplasmic reticulum before acting at the sarcomere.
What takes place when a muscle contracts?Muscle contraction occurs when tension-producing areas within muscle cells are activated.Muscle tension can be generated without a change in muscle length, such as while keeping a heavy object in place, hence muscle contraction does not always imply muscle shortening in physiology.Actin and myosin filaments glide past one another to cause muscle contraction. It is generally accepted that cross-bridges that protrude from myosin filaments and engage in cyclic interactions with actin filaments when ATP is hydrolyzed are what propel this process.Action Potentials carried out via transverse tubules are performed by Ca2+ release channels in SR.Ca2+ spreads into the sarcoplasm.Troponin binds to Ca2+ to start contraction.AP activates voltage gated the T-tubules' Ca2+ channelsTo learn more about muscular contraction refer to:
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place the following structures in the correct order that sperm would pass through from the testes to the external urethral orifice.
Sperm go through the ductus deferens, ejaculatory duct, urethra, and epididymis after leaving the testes.
What is the use of sperm?Older studies claim that oxytocin is present in semen. A hormone and neurotransmitter called oxytocin may aid in treating stress-related illnesses. Consuming semen may boost mood because of oxytocin, according to some anecdotal evidence. But oxytocin levels can also rise as a result of sexual engagement.
What effects does the sperm have on your body?Yes, if your partner ejaculates strongly and intensely during unprotected intercourse, you will be able to feel the sperm entering as the ejaculation shoots inside of you. You cannot detect it if your spouse ejaculates seldom. Additionally, the egg and sperm joining together cannot be felt.
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in guinea pigs, having black fur is a dominant trait. a student has a pet guinea pig with white fur. what can be concluded about the guinea pig?
The guinea pig received a dominant gene for black coat color from one parent and a recessive gene for white coat color from the other parent.
A gene is the fundamental physical and purposeful unit of heredity. Some genes act as instructions to make molecules referred to as proteins. But, many genes do now not code for proteins.
Our genes incorporate instructions that inform your cells to make molecules referred to as proteins. Proteins perform various features on our body to keep you healthy. Every gene includes commands that determine your functions, together with eye color, hair shade and height.
Few genes act as commands to make molecules referred to as proteins.In human beings, genes vary in length from a few hundred DNA bases to extra than 2 million bases.
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The organelle involved in breaking down other organelles that have outlived their usefulness is the.
The organelle involved in breaking down other organelles that have outlived their usefulness is the lysosome. Lysosomes are spherical organelles found in animal cells that contain a variety of hydrolytic enzymes. These enzymes are capable of breaking down a wide range of biological molecules, including proteins, carbohydrates, lipids, and nucleic acids.
Lysosomes are formed by the Golgi apparatus, which packages hydrolytic enzymes into vesicles and transports them to the lysosomes. When a lysosome fuses with another organelle, such as an old or damaged mitochondrion or peroxisome, the hydrolytic enzymes in the lysosome are released and begin to break down the organelle's molecules into smaller building blocks that can be recycled by the cell.
In this way, lysosomes play a critical role in the process of cellular degradation and recycling, helping to maintain the health and function of the cell by removing damaged or unnecessary organelles.
what process ensures that all the tissues and organs of an organism are in their characteristic places where did the molecular clues that control this process arise
Process that ensures tissues and organs are in their characteristic places is pattern formation. Molecular cues that control this is called positional info, provided by cytoplasmic determinants and inductive signals
What do you understand by pattern formation?Pattern formation is the developmental process by which cell acquires different types of identities, depending on relative spatial positions within embryo. Pattern formation makes sure that tissues and organs develop in the correct place and orientation in the body.
Cytoplasmic determinants and inductive signals contribute to the development of a special organization where the tissues and organs of organisms are in their characteristic places.
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an increase in sympathetic nerve activity stimulates constriction of afferent arterioles. put the events in order regarding the sympathetic nerve effects on the glomerular filtration rate.
The increases renin secretion via β-adrenergic receptor stimulation.
The sympathetic anxious gadget prepares the body for the fight or flight reaction all through any potential chance. then again, the parasympathetic nervous machine inhibits the frame from overworking and restores the body to a peaceful and composed kingdom.
The principal capabilities of the sympathetic apprehensive machine are to dilate blood vessels, grow blood strain, settle muscular tissues, secrete sweat from sweat glands, dilate bronchi for more oxygen exchange, and contract of heart which facilitates the frame put together to stand in emergency situations.
The condition is notion to be a malfunctioning of the sympathetic frightened gadget, but some researchers are questioning this. when you consider that RSD most usually follows trauma to the extremities, some conditions that may cause RSD are sprains, fractures, surgical treatment, damage to blood vessels or nerves, and positive brain injuries.
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Give one factor that might cause a species of orchid to become extinct
One factor that might cause a species of orchid to become extinct is habitat loss or destruction.
Orchids are highly specialized plants that often have specific habitat requirements for their survival, including specific soil conditions, light levels, humidity, and the presence of certain pollinators or mycorrhizal fungi.
If the natural habitat of an orchid species is destroyed or altered significantly, the orchids may not be able to adapt or find suitable conditions elsewhere, leading to their decline and potential extinction.
Habitat loss can occur due to various human activities such as deforestation, urbanization, conversion of land for agriculture or infrastructure development, and climate change impacts like changes in precipitation patterns or rising temperatures. These activities can result in the destruction, fragmentation, or degradation of orchid habitats, making them unsuitable for the species' survival.
Furthermore, orchids often have limited dispersal abilities, relying on specific mechanisms like wind, insects, or animals for pollination and seed dispersal. Habitat loss can disrupt these ecological interactions, preventing successful reproduction and limiting the species' ability to colonize new areas.
Conservation efforts, such as habitat preservation, restoration, and protected area management, are crucial in mitigating the risk of orchid extinction caused by habitat loss.
Additionally, raising awareness about the importance of orchid conservation and implementing sustainable land-use practices can help safeguard these delicate and unique plant species.
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what is the chemical nature of matter
A distribution of variation in a trait, such as height, that does not have any clear cut boundaries between types
a. Haploid Law of Segregation
b. Cystic fibrosis
c. Autosome Law of Independent Assortment
d. Huntington's disease diploid continuous
A distribution of variation in a trait, such as height, that does not have any clear cut boundaries between types (c) Autosome Law of Independent Assortment.
The alleles of two or more different genes are separately selected into gametes, in accordance with Mendel's law of independent assortment. In other words, an allele for one gene does not affect the allele for another gene that a gamete acquires.
During meiosis, a mechanism known as independent assortment causes the chromosomes to randomly travel to different poles. After meiosis, a gamete will have 23 chromosomes, but independent assortment implies that each gamete will have one of numerous possible chromosome combinations.
During cell division during meiosis, homologous chromosomes are distributed at random to daughter cells, whereas different chromosomes segregate separately from one another. The term for this is independent assortment. It produces gametes with distinctive chromosomal arrangements.
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Biomolecules contain a variety of atoms. Which biomolecule maintains a ratio of 1 carbon atom to 2 hydrogen atoms to 1 oxygen atom?.
The biomolecule that maintains a ratio of 1 carbon atom to 2 hydrogen atoms to 1 oxygen atom is glucose. Glucose is a simple sugar that is a common source of energy for living organisms. It is a six-carbon molecule that contains twelve hydrogen atoms and six oxygen atoms, giving it a chemical formula of C6H12O6.
Glucose is an important biomolecule that plays a central role in metabolism. It is produced by photosynthetic organisms, such as plants and algae, through the process of photosynthesis, where it is synthesized from carbon dioxide and water using light energy from the sun. It can then be stored in the form of glycogen in animals and plants, or converted into other molecules, such as fatty acids or ethanol, for energy storage or other purposes.
Overall, glucose is a biomolecule that maintains a ratio of 1 carbon atom to 2 hydrogen atoms to 1 oxygen atom, and it plays a crucial role in the metabolism of living organisms.
Base your answers to questions 1 and 2 on the diagram below of a
mitochondrion and on your knowledge of biology.
H₂O
CO₂
02
Pyruvic acid
1. All the arrows are associated with the process of
(1) carbon fixation
(3) anaerobic respiration
(2) photochemical reaction (4) aerobic respiration
when the mitochondrion and on your understanding of biology. Pyruvic acid: H2O CO2 02
4 is the right answer.
What does pyruvic acid do to the body?At the confluence of the breakdown of carbs, lipids, and proteins (catabolism) and their synthesis (anabolism), pyruvic acid plays a crucial role. Five metabolic pathways all involve a complicated series of enzyme reactions that result in pyruvate from sugar (or carbohydrate, in the form of glucose or fructose).
What exactly does aerobic respiration mean?Watch your pronunciation. Ayr-OH-bik Res-pih-RAy-shun a chemical reaction that uses oxygen to create energy from carbohydrates (sugars).
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Differences among individual members of a species are called_
A. fitness
B. natural selection
C. adaptations
D. variations
?
Answer:
D. variations
Explanation:
Differences among individual members of a species are called variations. Variations can refer to differences in physical characteristics, behaviors, or other traits that are present within a species. These variations can be inherited from parents or can arise through mutations or other changes in the genetic material of an individual.
Variations can be important for the process of natural selection, which is the process by which certain traits become more or less common in a population over time based on their impact on an individual's ability to survive and reproduce (fitness). Adaptations are traits that have evolved over time through natural selection and help an individual to better survive and reproduce in a particular environment.
Answer:
D. Variations.
Explanation:
Variation is defined as having any modification caused by environmental factors.
This is exemplified particularly in the Charles Darwin and the finches that he found at Galapagos Island, which essentially had 4 groups of finches with varying size beaks, from the smallest to largest:
1) Green Warbler Finch
2) Small Tree Finch
3) Medium Ground Finch
4) Large Ground Finch.
~
What is found is that, depending on the types of available food, a species may adapt towards eating that particular food source in an effort to keep oneself alive. Any useful traits, therefore, would be passed down through generations, while those who failed to adapt would die out.
However, it is important to note that while variation can be seen, and holds some truth to it, Darwinism theory as a whole is not scientific, as the layering of fossil records does not coincide with the theory itself. Evolution, if it was to have occurred, should evolve in such a way that organisms with similar characteristics should be found in order, rather than modifications found in multiple layers. It is also noteworthy that the Darwinist theory calls for only those who are able to adapt to be able to survive, and that unnecessary traits would, sooner or later, be dropped. However, this is not the case, particularly with humans, as humans take part in many leisurely activities that have no benefit towards one's own survival. Darwin's suggestion is that heritable traits that help organisms survive would be the only ones passed down, but humanity as an example shows that such ideas are in fact not true.
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At which stage of meiosis i does the exchange in genetic material between homologous chromosomes result in recombinant chromosomes?
Answer:
Prophase I
Explanation:
The chromosomes condense and become visible inside the nucleus during Prophase I.
The two main divisions of the human nervous system are ……. and central nervous system.
(A) Enteric nervous system.
(B) Somatic nervous system.
(C) Peripheral nervous system
(D) Parasympathetic division
(E) Sympathetic division
The two main divisions of the human nervous system are Peripheral nervous system and central nervous system.
What is peripheral nervous system ?One of the two parts that make up the nervous system of bilateral animals is the peripheral nervous system; the other part is the central nervous system. Outside of the brain and spinal cord, the PNS is made up of nerves and ganglia.Your brain and spinal cord are inside your body, but peripheral nerves are not. Your brain and the rest of your body communicate with each other through them. There are two primary sections that make up the peripheral nervous system: ANS: autonomic nervous system regulates glands and involuntary bodily processes.The somatic nervous system, which also includes the sensory nervous system and the somatosensory system, is made up of many nerves that serve both the somatic and sensory purposes.Somatosensory information is carried via cranial nerves in the head and neck. With a few exceptions, the twelve cranial nerves, ten of which come from the brainstem, mostly regulate the functions of the head's anatomical structures.To learn more about peripheral nervous refer :
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Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the diversity occur?.
Answer:
in single nucleotide-polymorphisms
What is the order from least complex to most complex?
Answer:
Explanation:
The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
After nutrients have been absorbed into the bloodstream, waste products are stored in the.
The trash is transferred to the large intestine, or bowel, after all the nutrients have been absorbed in blood. The waste (faeces) is stored in the rectum once the water has been eliminated.
Feces is the name for the generated solid waste. It keeps moving through the sigmoid and descending colons. Prior to expulsion, the large intestine briefly retains the faeces. The ingested materials are delivered by blood vessels to various body organs where they are employed to assemble complex materials, such the proteins needed by human body. The big intestine receives the food that was not digested and was not absorbed.
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Replication of the lagging strand of dna is accomplished by adding new __________. This creates ______________ on the lagging strand.
Replication of the lagging strand of DNA is accomplished by adding new short RNA primers. This creates Okazaki fragments on the lagging strand.
RNA primers are the short strands of RNA of few nucleotides that are essential to begin the synthesis of DNA at the lagging strand during replication. This primers is synthesized using the enzyme called primase. RNA primers provide the binding site for DNA Polymerase.
Okazaki fragments are the short strands of DNA that are synthesized from the RNA primers. These are discontinuous in nature. In prokaryotes the length of Okazaki fragments can be from 1000-2000 nucleotides, while in the eukaryotes, it can rage only for about 100-200 nucleotides.
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Many eukaryotic cells can be grown in tissue culture in the laboratory. Suppose you have two tissue cultures, one in g1 phase and one in s phase. How would you determine which culture was in g1 and which was in s?.
We can determine which culture was in g1 and which was in s : by looking at the state of DNA molecule and presence of histones, centrioles and spindle fibers.
What do you understand by interphase?Interphase occurs before cell division and it is composed of G1, S and G2 stages.
During G1 stage, cell duplicates in size and also organelles and other cytoplasmatic structures duplicate. High intense biochemical activity is the characteristic of this stage. During S stage, DNA replication process occurs. Synthesis of histones and other associated proteins also occurs at this point.
G2 stage is the final one before cellular division. Slow process of DNA condensation occurs and duplication of centrioles completes.
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NEED HELP ASAP!!!
In temperate regions, a lot of animals are active in daylight and inactive at night. This is_[blank 1]_ because daytime temperatures are warm, and animals can rely on their_[blank 2]_ to find food.
blank 1: a survival disadvantage
blank 2: sight
blank 1: a survival advantage
blank 2: sight
blank 1: a survival advantage
blank 2: hearing
blank 1: a survival disadvantage
blank 2: hearing
Answer:
Explanation:
blank 1: a survival advantage
blank 2: sight
In temperate regions, a lot of animals are active in daylight and inactive at night because daytime temperatures are warm, and animals can rely on their sight to find food. This is a survival advantage because being active during the day allows animals to take advantage of the warm temperatures and find food more easily.
Carotenoids always start out this color, then are changed by chemicals in the body to different colors. What colors do carotenoids produce?
Carotenoids always start out this color, then are changed by chemicals in the body to different colors. Carotenoids produce yellow, orange, red and purple colors.
More than 750 naturally occurring pigments belonging to the class of carotenoids are produced by plants, algae, and photosynthetic microorganisms . Many plants get their yellow, orange, and red colours from these vibrant chemicals. The majority of the 40 to 50 carotenoids contained in the human diet are found in fruits and vegetables.
Carotenoids are tetraterpene pigments that appear in yellow, orange, red, and purple hues. Carotenoids, which are present in algae, some types of fungi and archaea, plants, mammals, and photosynthetic bacteria, are responsible for the majority of the colours in nature.
Antioxidants called carotenoids are good for you since they can boost your immune system and keep you healthy. Vitamin A, which is necessary for growth, the health of the immune system, and the condition of the eyes, can be produced from provitamin A carotenoids.
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Which of the following is NOT a part of adenosine diphosphate?
glucose
ribose
adenine
two phosphate groups
Answer: Glucose isn't part of ADP
Hope this helps :)
Explanation:
Amy run hard during a race. The level of carbon dioxide in her bloodtream increae, becoming higher than normal. — Decribe one way Amy' body i likely to repond. — Explain how thi repone will help to lower level of carbon dioxide in her bloodtream
Amy runs hard during a race. Carbon dioxide levels in her bloodstream rise, becoming higher than normal. Any change in an organism's environment that causes the organism to react.
In physiology, a stimulus is a detectable change in the physical or chemical structure of an organism's internal or external environment. The ability of an organism or organ to detect external stimuli, so that an appropriate reaction can be made, is called excitability sensitivity.He is hungry, so he eats something. A rabbit is scared and runs away. You're cold so you put on a jacket. External stimuli include touch and pain, vision, smell, taste, sound, and balance balance. These sensory stimuli are activated by external changes. Pain is the stimulus that can provoke a greater response from the organism. Homeostasis is the body's ability to maintain a stable internal environment despite a changing external environment. Homeostasis is maintained primarily through negative feedback, when a response to a stimulus keeps a variable close to a set value.
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if two plant species have similar dispersal and competitive abilities, what factor might help determine which species occupies an early seral stage?
The priority effect can determine which species occupies an early seral stage, when two plant species have similar dispersal and competitive abilities.
Natural occurrences are always the cause of succession. After primary succession or separately from primary succession, secondary succession can occur. In contrast to late successional plants, The priority effect which frequently exhibit the opposite traits, early successional plants typically have high rates of photosynthesis and respiration, high rates of resource intake, and high light adjustment plant species . The priority effect impacts pertain to the sequence or time of plant species introduction, including how The priority effect early arrivals at a place affect later arrivals' establishment, development, or reproduction in either a good or negative way.
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Which statements are causes of global warming?
(Select all that apply.)
A. sulfur gas emissions by human activities
B. carbon dioxide emissions by human activities
C. nitrogen gas emissions by human activities
D. methane gas emissions by farm animals and other life
Answer:
B. Carbon dioxide emissions by human activities and D. Methane gas emissions by farm animals and other life.
Explanation:
The pedigree below shows several generations of a family in which cystic fibrosis runs. A healthy phenotype is dominant (C), and cystic fibrosis is recessive (c). Shaded individuals have cystic fibrosis. Symbols with question marks have unknown genotypes and phenotypes. Individual 3 must have a genotype of:
A. CC
B. C
C. cc
D. None of the above
Answer:
Cc
Explanation:
since cystic fibrosis is present in their offspring, they must have a recessive
What happens to the O2 and CO2 levels when one sprig of Elodea and one snail are put into a test tube with the lights on after 24 hours?
A: Drastic changes with oxygen increasing and carbon dioxide decreasing.
B: Drastic changes with carbon dioxide increasing and oxygen decreasing.
C: Oxygen and carbon dioxide vary slightly, but stay around their original levels.
D: There is no oxygen left in the test tube.
Examine the comparison between a eukaryotic cell and a prokaryotic cell. Which two lettered choices provide a comparison of structures that encode genetic information for the cells?.
Organisms called eukaryotes have nuclei and membrane-bound organelles in their cells. Its C and D
What is meant by eukaryotic cell ?Organisms called eukaryotes have nuclei and membrane-bound organelles in their cells. The majority of algae, all animals, plants, fungi, and protists are eukaryotic organisms. Eukaryotes are multicellular or unicellular organisms.
Large and complex creatures are made up of eukaryotic cells, which have a nucleus surrounded by the nuclear membrane. Eukaryotic cells are found in fungi, plants, mammals, and protozoa. They are categorised as belonging to the Eukaryote kingdom.
Eukaryotic cells can also have other organelles outside the nucleus, such as mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes. Each of these organelles carries out a distinct task that is essential to the survival of the cell
The complete question is : Examine the comparison between a eukaryotic cell and a prokaryotic cell. Which two lettered choices provide a comparison of structures that encode genetic information for the cells? A) A and D B) B and D C) C and D D) None of these choices, as prokaryotic cells do not contain DNA
I am almost certain it is A) a and d) but I need reassurance.
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