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makvit [3.9K]
3 years ago
14

The brain's _____ nucleus regulates the body's circadian rhythms.

Biology
1 answer:
deff fn [24]3 years ago
4 0
The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
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What are the products in the reaction in the introduction above? Select all that apply.
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H20 is hydrogen ........
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EARTH SCIENCE SEM 2 2.1.3
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Appalachian: Two continents colliding.

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3 years ago
The gene frequency for a dominant allele is 0.68 and the recessive allele is 0.39. What percent of the population has a homozygo
Alinara [238K]

Answer:

15.21 %

Explanation:

If we recall the basic formula of Hardy-Weinberg's equilibrium ; we have the following below:

p + q = 1

p² + 2pq + q² = 1

where;

p = frequency of the dominant allele in the population

q = frequency of the recessive allele in the population

p² = percentage of homozygous dominant individuals

q² = percentage of homozygous recessive individuals

2pq = percentage of heterozygous individuals

Given that p= 0.68 and q = 0.39

the percentage of the homozygous recessive genotype (q² ) will be

(0.39)² = 0.1521

= 0.1521 × 100

= 15.21 %

∴ the percentage of the population that has a homozygous recessive genotype = 15.21 %

5 0
3 years ago
4 properties of water are
expeople1 [14]

Answer:

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8 0
3 years ago
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In a multistep biochemical pathway, the first enzyme necessary for the synthesis of the amino acid tryptophan is inactivated wit
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Answer: Irreducible complexity

Explanation:

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3 years ago
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