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Alchen [17]
3 years ago
8

In what way are the structures of dna and protein similar?

Biology
1 answer:
Verizon [17]3 years ago
5 0
They are similar in three main ways 1.Both DNA and proteins are polymers. 2. Both are made from smaller subunits joined together. DNA is made of subunits called nucleotides joined together and protein is made up subunits called amino acids joined together. 3. In both of them, these subunits or monomers are linked together by covalent bonds. Nucleotides are a combination of a nitrogen - rich base that is either adenine, guanine, cytosine or thymine, together with a phosphate group and a sugar.
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Hey y'all I need help with this bio question: what are the pros and cons of different skin tones in different parts of the world
d1i1m1o1n [39]
Oh this one is so cool!

It basically all boils down to Vitamin D! We need this essential vitamin to help our body build hormones and regulate calcium. Our bodies make Vitamin D when we are exposed to the UV rays found in sunlight. But as we all know, too much sunlight isn’t good because these UV rays can harm us. Melanin (the chemical that our bodies produce to darken skin tone and hair color) provides protection from UV rays by absorbing them. However, this means that the more melanin that is produced by someone’s body results in less absorption of UV rays and a decrease in Vitamin D production. But for someone living around the equator or in the tropics that doesn’t matter because there’s lots of sun all the time. So for humans living in these areas where there’s lots of sunlight year round, it’s beneficial to have darker skin to protect from the harm of UV rays. People living in these areas still get plenty of Vitamin D though because of that year round sunshine.

Now what about those who’s skin has less melanin, such as those found in the higher latitudes? Well with less sunlight year round, their bodies had to adapt to be able to get enough Vitamin D. So less melanin is produced by the body in order to absorb the lesser amounts of UV rays to make Vitamin D. Lighter skin is, therefore, more beneficial the farther away you go from the tropics.

So essentially:
Pro of Darker Skin tones
-Protection from harmful UV rays

Con of Darker Skin tones
-Less absorption of UV rays and less production of Vitamin D

Pro of Lighter Skin tones
-Greater absorption of UV rays and more Vitamin D production

Con of Lighter Skin tones
-Less protection from harmful UV rays (resulting in sunburns and, in extreme cases, skin cancer)

This is of course the biology answer. The social impacts of different skin tones is a whole different story that you can ask in the history section.
6 0
2 years ago
What determines the genotype of an organism?
Dominik [7]

Answer:

D. The alleles that are passed from parents to offspring.

Explanation:

<em>The alleles that are passed from parents to offspring are what determine the Genotype of an organism since alleles contain hereditary and genetic materials within them.</em>

8 0
2 years ago
Examine the weather map. The arrows are pointing to the line with triangles. What does the line indicated by the arrows most lik
kvasek [131]

The correct answer is - a front.

On this image, the lines are representing a front, and since the signs are marked with blue color, it means that it is a cold front. The fronts are advancing masses of air. In this case, we have a cold front, thus we have advancing cold air masses in the western part of the US, and in the Great Lakes region and the northeastern part of the country. This means that these areas will be affected by colder air masses, that will bring in higher air pressure, colder weather, and cold winds from the direction from which these cold fronts are coming.

3 0
2 years ago
Read 2 more answers
To halt the decline in biodiversity, we must do which of the following?
Igoryamba
<span>Adopt ecological conservation practices :)</span>
7 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!! I’ll mark smartest
Anna007 [38]
Ok press alt f4 your welcome
6 0
2 years ago
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