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frosja888 [35]
3 years ago
12

8. Now figure out how many sheets of graph paper you would have to use to list all the bases in a gene of 90,000 bases (not far

from the average size of a human gene).
Biology
1 answer:
Oksana_A [137]3 years ago
5 0

Now it is clear that genes are what carry our traits through generations and that genes are made of deoxyribonucleic acid (DNA). But genes themselves don't do the actual work. Rather, they serve as instruction books for making functional molecules such as ribonucleic acid (RNA) and proteins, which perform the chemical reactions in our bodies.Proteins do many other things, too. They provide the body's main building materials, forming the cell's architecture and structural components. But one thing proteins can't do is make copies of themselves. When a cell needs more proteins, it uses the manufacturing instructions coded in DNA.The DNA code of a gene—the sequence of its individual DNA building blocks, labeled A (adenine), T (thymine), C (cytosine) and G (guanine) and collectively called nucleotides— spells out the exact order of a protein's building blocks, amino acids.

Occasionally, there is a kind of typographical error in a gene's DNA sequence. This mistake— which can be a change, gap or duplication—is called a mutation.

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vagabundo [1.1K]
The sex cells are called Gametes! Its on Google!
4 0
3 years ago
Suppose a point mutation, such as a change from an adenine to a guanine, occurs in the genome of a human sperm cell. The mutatio
yulyashka [42]

Answer:

B. The mutation results in a new, dominant allele

C. The mutation occurs in a gene that controls development and alters differentiation of a cell type during development.

D. The mutation occurs in a codon and alters the function of the final protein

Explanation:

All the above things will change the <u>ultimate expression</u> or phenotype by altering the proteins. Choices B, C, and D will all change the outer functioning.

Choice A only affects the rate of transcription, so it may go faster or slower, but the end product will be the same.

This part that doesn't look like it's one of the choices ("The mutation occurs in a portion of an intron not responsible for exon splicing.") would not affect phenotype, because introns are removed before the RNA is sent out.

Choice E says that the amino acid sequence is unchanged, meaning the protein final product will be the same and the expression will not change.

7 0
3 years ago
If an animal cell is placed in plain water, It will swell and burst. The bursting of the cell is a result of which biological pr
densk [106]

Answer:

Osmosis is the process of having water pass from a low concentration medium to a high concentration one, given that the barrier (membrane) is semi-permeable.

Explanation

Cells encounter osmosis due to their semi-permeable membranes. Water can flow past cell membranes. A given cell placed into distilled water will have some water flow into it, causing it to burst. A given cell placed in a very concentrated water will have some water flow out of it, causing it to shrivel. A given cell placed in a solution with the same concentration of minerals as the cell will have an equilibrium of water flowing in and out. This is the case of IV (Intravenous therapy) when we want to deliver substances into a human blood. We want to make sure the liquid delivered is as concentrated as the blood to avoid cell shriveling or bursting.

This picture above sums up the 3 cases cells could face in a solution.

Good luck!

8 0
2 years ago
As people reach adulthood, friends may help them reexamine basic
Colt1911 [192]

Answer:

Pedagogy, andragogy, and gerogogy are three different ori- entations to learning in childhood, young and middle adulthood, and older adulthood, respec- tively.

Explanation:

hope this helps

4 0
2 years ago
Identify the tropical zones and the temperate zones.<br>did I do it right?
Blizzard [7]

Zone 3 is a tropical zone, while zones 2 and 4 are temperate.

Since Zone 3 is around the equator and between the two tropics, it is a tropical zone.

Zone 2 and 4 are temperate since they are farther away from the equator, but not too close to the North and South poles.


I hope this helped! :-)

4 0
3 years ago
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