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grin007 [14]
3 years ago
15

In addition to being necessary for respiration, _______ also provides UV radiation protection.

Biology
2 answers:
MA_775_DIABLO [31]3 years ago
7 0
<span>Oxygen is necessary for respiration but also provides UV radiation protection.Through a layer of oxygen compounds, known as the Ozone layer, UV light from the sun is filtered out. The Ozone layer is made of O3 molecules, which is the combination of three oxygen molecules that have bonded together in a unique way.</span>
g100num [7]3 years ago
4 0

In addition to being necessary for respiration, _______ also provides UV radiation protection.  The answer would be, A.) Oxygen

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Which process occurs as various body parts form in a developing embryo?
Vsevolod [243]

Answer:

The correct answer is differentiation.

Explanation:

The process of development during which the cells of the embryo specialize and the origination of different tissue compositions take place is known as embryonic differentiation. An organism is formed of distinct cell types, with each exhibiting specific functions. During embryogenesis, differentiation of cells is essential for the cell, organ, tissue, and organism's identity.

With the development of an embryo, the individual cells start to differentiate. In the embryo, the differentiation of cells takes place by both extracellular and internal cellular factors. The phenomenon of embryonic development plays an essential part in the proper development of an organism.

4 0
3 years ago
There is a population of Drosophila flies in a small fruit shop. Due to sudden mutation, the eye color of some of the flies chan
galben [10]
The answer is <span>A. p2 = 0.36, 2pq = 0.48, q2 = 0.16.
</span>
Let's first distinguish alleles frequencies from genotypes frequencies:
p - a frequency of R allele,
q - a frequency of r allele,
p² - a frequency of RR genotype,
2pq - a frequency of Rr genotype,
q² - a frequency of rr genotype.

<span>The gene frequency of allele r changes from 0.38 to 0.40, thus:
</span>q = 0.40

Now, we will implement this in the following equation:
p + q = 1

If q = 0.40, then:
p + 0.40 = 1
⇒ p = 1 - 0.40
⇒ p = 0.60

Now, the frequencies of both alleles are know and it is easy to calculate the <span>genotype frequencies:
-</span> the frequency of RR genotype: p² = 0.60² = 0.36
- the frequency of Rr genotype: 2pq = 2 · 0.60 · 0.40 = 0.48
- the frequency of rr genotype: q² = 0.40² = 0.16

Therefore, the new genotype frequencies in that population are <span>p2 = 0.36, 2pq = 0.48, q2 = 0.16.</span>
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Because of the chlorophyll in them, more known as the little things called chloroplasts
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regulates hormones that modulate digestion

Explanation:

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