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snow_tiger [21]
3 years ago
9

What happens during the transcription?

Biology
1 answer:
ale4655 [162]3 years ago
6 0

Answer:a). mRNA is formed by copying a gene on one of the DNA strands

Explanation: Transcription is a process in which the nucleotide sequence in one strand of a double stranded DNA is converted to an mRNA. The genetic information in a DNA is copied into an mRNA. The mRNA produced is not the same with the DNA in base composition and sequence rather the mRNA is complementary to the DNA strand. In DNA, adenine, guanine, cytosine and thymine are found but in the mRNA adenine, guanine, cytosine and Uracil are found. In mRNA base pairing, adenine pairs with uracil while guanine pairs with cytosine.

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You are interested in studying a gene called CFTR because mutations in this gene in humans cause cystic fibrosis. You have made
Juliette [100K]

Answer: Both the mouse and human beings are encoding the proteins having similar functions.

Explanation:

The CFTR gene in the mouse and CFTR gene in the human beings encode proteins that perform similar function,this is so because if the results are same then it means that both mouse and human beings are encoding the protein that have similar function.

Option A is incorrect  because both humans and mouse are eukaryotes so they have introns and because of that even if the gene sequences are different they can still encode protein.

Option B is incorrect because  amino acid sequences can be similar inorder to have the similar function. If glutamic acid is replaced by aspartic acid, it won't have different function the function will remain same. So, identical amino acid sequences are not required. They can be similar too.

8 0
2 years ago
Which is an advantage of sexual reproduction over asexual reproduction?
wolverine [178]

Answer:

in sexual reproduction we get genes from both our parents and we have a combination of them...that leads to genetic diversity...more diversity means more chances to survive different environment conditions.... in asexual reproduction.. offsprings are identical.if environment conditions are rough...all of them won't stand a chance...and also....in sexual reproduction genetic variation can lead to evolutionary advancements

6 0
2 years ago
Read 2 more answers
If the water concentration inside a cell is higher than the water concentration outside the cell, water flows out of the cell. T
Leni [432]
Its called osmosis and it only happens with water. now I'm just adding words to be able to post this. its moving down the concentration gradient.
3 0
3 years ago
Special senses, such as sight and sound, are detected by:
Leviafan [203]
<span>The special senses of sight and sound are detected by, special cells that transduce stimuli into electrical signals. In the visual system, sensory cells in the retina convert the physical energy of light signals into electrical impulses that travel to the brain.</span>
8 0
3 years ago
Which of the following is an example of passive transport?
tatiyna

Answer:

facilitated diffusion

Explanation:

Facilitated diffusion is the process of movement of molecules or ions across a biological membrane via specific transmembrane integral proteins. Carrier proteins and channel proteins are involved in facilitated diffusion. The movement of molecules and ions in passive transport occurs due to a concentration gradient.

5 0
3 years ago
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