What type of bonds occur between carbon atoms?
Answer:
covalent bond
sigma bond
carbon bond
Explanation:
Answer:
A carbon–carbon bond is a covalent bond between two carbon atoms. The most common form is the single bond: a bond composed of two electrons, one from each of the two atoms. The carbon–carbon single bond is a sigma bond and is formed between one hybridized orbital from each of the carbon atoms.
Explanation:
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Use chromosomes 11 and 17 to answer the following questions.
List the genetic disorders found on chromosome 17.
What do you know about any of those disorders?
Chromosome 17 is made of over ____
million base pairs.
Approximately how many genes are found on chromosome 17? ____
Answer:
Chromosome 17 is made of over million (80) base pairs.
Approximately how many genes are found on chromosome 17?
1600
Explanation:
took on edge2020 and got it right
hope this helps :)
Answer:
Adding to the answer already... feel free to cut and paste what you need
Explanation:
tumor suppressor of this type of gene leads to deregulated cellular proliferation, as in cancer. In a person born with two normal copies of a tumor suppressor gene, both copies must be inactivated by spontaneous point mutation, deletion, or failure of expression before tumor formation occurs. An inherited mutation in a tumor suppressor gene is the basis of most familial predispositions to cancer. In a person so predisposed, malignant cellular proliferation does not occur until the remaining intact copy of the gene is inactivated by deletion of part or all of its chromosome. Of many tumor suppressor genes thus far identified, the p53 gene on chromosome 17, which encodes a phosphoprotein that suppresses cell proliferation, appears to be the most important. Mutations of p53 have been found in the DNA of more than half of all human cancers studied. Li-Fraumeni syndrome, characterized by early-onset carcinomas and sarcomas, is an inherited (autosomal dominant) mutation in the p53 tumor suppressor gene. BRCA1 and BRCA2, involved in familial early-onset breast cancer as well as ovarian and other cancers in people of both sexes, are tumor suppressor genes.
Breast cancer is cancer that forms in the cells of the breasts.
Signs and symptoms of breast cancer may include:
A breast lump or thickening that feels different from the surrounding tissue
Change in the size, shape or appearance of a breast
Changes to the skin over the breast, such as dimpling
A newly inverted nipple
Peeling, scaling, crusting or flaking of the pigmented area of skin surrounding the nipple (areola) or breast skin
Redness or pitting of the skin over your breast, like the skin of an orange
Charcot-marine-tooth syndrome is a group of inherited disorders that cause nerve damage. This damage is mostly in the arms and legs (peripheral nerves). Charcot-Marie-Tooth disease is also called hereditary motor and sensory neuropathy.
Charcot-Marie-Tooth disease results in smaller, weaker muscles. You may also experience loss of sensation and muscle contractions, and difficulty walking. Foot deformities such as hammertoes and high arches also are common. Symptoms usually begin in the feet and legs, but they may eventually affect your hands and arms.
Symptoms of Charcot-Marie-Tooth disease typically appear in adolescence or early adulthood, but may also develop in midlife.
Signs and symptoms of Charcot-Marie-Tooth disease may include:
Weakness in your legs, ankles and feet
Loss of muscle bulk in your legs and feet
High foot arches
Curled toes (hammertoes)
Decreased ability to run
Difficulty lifting your foot at the ankle (footdrop)
Awkward or higher than normal step (gait)
Frequent tripping or falling
Decreased sensation or a loss of feeling in your legs and feet
As Charcot-Marie-Tooth disease progresses, symptoms may spread from the feet and legs to the hands and arms. The severity of symptoms can vary greatly from person to person, even among family members.
Charcot-Marie-Tooth disease is an inherited, genetic condition. It occurs when there are mutations in the genes that affect the nerves in your feet, legs, hands and arms.
Sometimes, these mutations damage the nerves. Other mutations damage the protective coating that surrounds the nerve (myelin sheath). Both cause weaker messages to travel between your limbs and brain.
Charcot-Marie-Tooth disease is hereditary, so you're at higher risk of developing the disorder if anyone in your immediate family has the disease.
Other causes of neuropathies, such as diabetes, may cause symptoms similar to Charcot-Marie-Tooth disease. These other conditions can also cause the symptoms of Charcot-Marie-Tooth disease to become worse. Medications such as the chemotherapy drugs vincristine (Marqibo), paclitaxel (Abraxane) and others can make symptoms worse. Be sure to let your doctor know about all of the medications you're taking.
Complications of Charcot-Marie-Tooth disease vary in severity from person to person. Foot abnormalities and difficulty walking are usually the most serious problems. Muscles may get weaker, and you may injure areas of the body that experience decreased sensation.
Sometimes the muscles in your feet may not receive your brain's signal to contract, so you're more likely to trip and fall. And your brain may not receive pain messages from your feet, so if you've rubbed a blister on your toe, for example, it may get infected without your realizing it.
You may also experience difficulty breathing, swallowing or speaking if the muscles that control these functions are affected by Charcot-Marie-Tooth disease.
The roots of the plant in the diagram above are exhibiting which behavior?
+
A Autotropism
B Hydrotropism
C Geotropism
D Phototropism
Answer: phototropism
Explanation: is right trust me
The roots of the plant exhibiting Phototropism behavior
what is phototropism ?Phototropism is a light response in plants where Positive Phototropism refers towards the light and negative Phototropism growth away from the light.
phototropism is a biological reaction in plants that react based on the source of the light energy, especially observable on plants growing inside a building, with light coming from limited direction.
A positive phototropism shows the plant/flower growing towards the source of the light, the stem of the plant will curve to maximize the light input coming from that limited angle source.
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In which case would a scientist choose to use a dissecting microscope rather than a compound
microscope?
Group of answer choices
To determine the type of virus in a specimen
To view the surface of a plant leaf
To view the cells of the skin.
To determine the shape of bacteria
Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air
The plants undergo transportation
The plants undergo condensation
The plants prevent water from evaporating
The plants prevent water from becoming runoff
The answer that you are looking for is A “They undergo transpiration.”
Hope this helped you!
The branch of biology which deals with the study of plants is called botany.
The correct answer is A.
The plants in the higher altitude have evolved themselves in order to survive the climates. The plants in the mountains have a thick cuticle and pointed leaves.
In mountains, the plant has a thick cuticle to prevent the loss of water in the process of transpiration. The plants have to transport the substances to the higher parts, so they need large air holes.
Hence, the correct option is A that is the plants undergo transportation
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A habitat that has many species has a high level of
Answer:
species diversity
Explanation:
Describe how cell structures interact in order to maintain homeostasis? Select all that apply.
A
The smooth endoplasmic reticulum and Golgi produce lysosomes.
B
The cell wall and vacuole function to maintain the structure of plant cells.
С
Chloroplasts allow the cell to store energy, and mitochondria release energy for the cell
D
The rough endoplasmic reticulum produces the lipid components of the cell membrane.
E
Molecules can enter the cell by passing through the cell membrane and may take part in chemical reactions within
Hi
Answer:
B. The cell wall and vacuole function to maintain the structure of plant cells
С. Chloroplasts allow the cell to store energy, and mitochondria release energy for the cell
E. Molecules can enter the cell by passing through the cell membrane and may take part in chemical reactions within the cytoplasm
Explanation:
Homeostasis, which is key to the survival of an organism, is the ability of a living organism's cell to maintain a stable internal environment despite changes to the external environment. Cell structures/organelles interact with one another in order to maintain homeostasis as follows:
- The cell wall and vacuole function to maintain the structure of plant cells. The cell wall is responsible for the rigidity of the plant cell while the water content of the vacuoles make the cell turgid.
- Chloroplasts allow the cell to store energy in the bonds of the glucose molecules that form as a result of the photosynthesis that occurs in the CHLOROPLAST while the mitochondria release energy for the cell due to the cellular respiration process that breaks down the glucose molecules to release ATP.
- Molecules needed by the cell can enter the cell by passing through the cell membrane and may take part in chemical reactions within the cytoplasm.
The cell structure that has been able to maintain homeostasis has been the cell wall, chloroplast, and cell membrane. Thus options B, C, and D are correct.
The cell has been the smallest unit of the body. Cell performs various functions with the help of organelles. Homeostasis has been defined as the self-regulating system of the body.
Varying organelles in the body have been responsible for the homeostasis process. The cell wall and cells structure of the cell have been maintained within the plant cells.
The process of photosynthesis has been performed with the plant cells with the help of chloroplasts.
The cell membrane has been the semipermeable membrane that helps in the transport of the molecules across the cell.
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HELP! ILL GIVE BRAINLIEST.
Answer:
the answer is A i know because did it and it says it was correct
Explanation:
if you have a chance to meet pulmonologist what questions are you going to ask about pulmonary respiration??
I hope it'll help
thanks..
Which bases pair together during transcription?
Answer:which bases pair together during transcription-Adenine and thymine form base pairs that are held together by two bonds, while cytosine and guanine form base pairs that are held together by three bonds.why is base pairing used during transcription-By virtue of complementary base- pairing, this action creates a new strand of mRNA that is organized in the 5' to 3' direction. As the RNA polymerase continues down the strand of DNA, more nucleotides are added to the mRNA, thereby forming a progressively longer chain of nucleotides. what determines the shape and properties of a protein- Peptide Bonds
The sequence and the number of amino acids ultimately determine the protein's shape, size, and function. Each amino acid is attached to another amino acid by a covalent bond, known as a peptide bond. what is a codon-a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.how many possible codons exist in the genetic code-64 codons.what are the functions of the codons- The function of a codon is to code for amino acids. During transcription, DNA is copied to mRNA.does each amino acid have one specific codon-Because there are only 20 different amino acids but 64 possible codons, most amino acids are indicated by more than one codon. (Note, however, that each codon represents only one amino acid or stop codon.)
Explanation:
what are the pebbles of the rock cemented together to form?
Answer:
that would be limestone
Explanation:
Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate and is formed by tiny pices of pebbles cemented together.
PLEASE MARK BRAINLIEST
Answer: Conglomerate is a sedimentary rock made of rounded pebbles and sand that is usually held together (cemented) by silica, calcite or iron oxide.
Explanation:
In the phospholipid bilayer, which region is hydrophilic?
Answer: The head loves water (hydrophilic) and the tails hates water
Explanation:
please give me brainliest.
Answer:
Explanation:Region B is made of the phosphate head ends of the phospholipids, which are "water-loving" and face outward towards the aqueous solutions.
10. People comment that “Joe” looks so much like his uncle. Did Joe inherit his good looks from his uncle? Explain
Please explain:)!!!
No, Joe do not inherit his good looks from his uncle because inheritance only occurs from parents.
What is inheritance?People gets features from their parents not their relatives. The good looks get by the Joe from his father not his uncle. Inheritance is the process by which genetic information is passed from parent to children. That's why members of the same family have similar characteristics and features so we can conclude that Joe receives good looks from his father or parent..
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Fill in the blank.
An alpha particle is about _________________ times more massive than a beta particle
Answer:
8000 times the mass of a beta particle
Explanation:
If you could mark me the brainliest that would be great
what are the different types of occupation list few example
Answer:
Types of Jobs and Occupations
Waiter.
Paramedic.
Dentist.
Train conductor.
Nurse.
Electrician.
Doctor.
Businessman.
etc....
Answer:
Different types of occupations are:
1. agriculture
2. Hospitality
3. Tourism
4. Science, Technology, Engineering and Mathematics
5. Education and training
When the chromosomes are making a copy during interphase how many chromosomes will there be after it makes a copy?
Answer: 2
Explanation:
is the likelihood that a given event will accur
Answer:
probability – a numeric measure of the likelihood that an event will occur sample space – the set of all possible outcomes of an experiment. event – a collection of sample points. Example: If I roll a die the sample space is that the die lands on 1, 2, 3, 4, or 5. The probability of this event is 1/3.
Explanation:
brainilest??????????
Answer:
it depends
Explanation:
because on what event, if its a profecy then it will occur but if its a theory then it most likely wont occur.
What would happen to the population of wolves if the rabbits in the tundra caught the disease myxomatosis, which is known to kill rabbits?
Answer:
The population of wolves would begin to die out. The wolves main food source is now dead, or dying. They will eventually run out of food to eat and begin to die off. I hope this helps you out!!!!!!
Answer:
The wolves would have decreased diversity in their diet
Explanation:
If the disease myxomatosis effects the wolfs they could eventually die out however if the disease does not harm the wolfs then the wolves would have decreased variety in their diet.
PLEASE ANSWER ASAP!!
Why are the strands of DNA described as complimentary?
Answer:
The nitrogen bases can only pair in a certain way: A pairing with T and C pairing with G. Due to the base pairing, the DNA strands are complementary to each other, run in opposite directions, and are called antiparallel strands.
Explanation:
Chromosomes are composed of the molecule DNA, which forms ______ on chromosomes.
traits
genes
taxons
clones
Answer: Genes
Chromosomes are composed of the molecule DNA, which forms GENES on chromosomes.
Explanation:
I got correct on edg
Please help
Write the equation for cellular repiration.
Answer:
C6H12O6 + 6O2 → 6CO2 + 6H2O
Explanation:
Water is known as the universal solvent. What does this mean?
Answer:
Water is a universal solvent because it is capable of dissolving more substances than any other liquid.
it just means that many substances will dissolve in it. This property helps cells to obtain and use nutrients because about 2/3 of our cells are made up of water.
Meiosis is significant within a population because it increases the –
a
amount of genetically modified organisms
b
number of new alleles available
c
genetic variations in the population
d
number of mature males
Answer:
Letter a amount of genetically modified organisms
What will most likely happen if groundwater is drawn from the ground faster than it can be restored?
The water table will be lowered.
The water will become polluted.
The water will flow to the sea.
The water will fill nearby wells.
Answer:
A. The water table will be lowered.
Explanation:
The water table will be lowered if groundwater is drawn from the ground faster than it can be restored.
What is Groundwater?This is defined as the water found underground in the cracks and spaces in soil, sand and rock.
This type of water when taken from the ground faster than it can be restored will lead to the water table being lowered which makes option A the most appropriate choice.
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Ocean tides of Earth are strongly influenced by the Moon. During which lunar phases are ocean tides lowest on Earth?
A. full moon and first quarter
D. full moon and new moon
B. last quarter and new moon
C. first quarter and last quarter
Answer:
Full moon and new moon
Explanation:
which substance is lost from the body of a healthy person by the kidney and not by lungs ?
a-carbon dioxide
b-glucose
c- urea
d- water
Question 6 10 pts There is enough water for 15 deer food for 12 deer and space for 20 The carrying capacity is? 15 O 12 0 20 Othere is not enough information sc
Answer:
The carrying capacity is 12. There can't be over 12 because they will die from starvation.
Hope This Helps!
Tiny packets of radiant energy from the sun are called
electrons.
b. protons.
photons.
a.
C.
d. neutrons.
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Actually Welcome to the Concept of the Atomic theory.
The tiny packets of radiant energy from the sun are called as PHOTONS.
==> Photons is the Answer.
Answer:
b protons
Explanation: I would probably say protons if it was my work, although this could be wrong. I'm so sorry if its wrong though this is just my best guess.
what type of cellular transport occurs to balance the salinity lives inside and outside the fish cells
A. Passive Transport
B. Active Transport
Answer:
A
Explanation:
Hopefully this helps.
(a)
Name the gas given off in photosynthesis
Answer:
Oxygen.
Explanation:
Yeah no thats' all there is to it...
Answer:
oxygen
Explanation:
branliest pls