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PIT_PIT [208]
3 years ago
14

What molecule in the nucleus controls the copying of DNA ?

Biology
2 answers:
KiRa [710]3 years ago
7 0

Answer:

RNA

Explanation:

A chemical called messenger RNA (mRNA) is made in the nucleus and carries a copy of the DNA base sequence of a specific gene to the cytoplasm

hoa [83]3 years ago
4 0

Answer:

Explanation:Within the nucleus are threads of chromatin composed of DNA and associated proteins. Along the chromatin threads, the DNA is wrapped around a set of histone proteins. A nucleosome is a single, wrapped DNA-histone complex.

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Answer:

A, a prokaryotic cell

Explanation:

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Which type of cartilage covers and protects the ends of bones at freely movable joints?
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If you're outside and a tornado is headed your way, which of the following is the safest action to take?
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2 years ago
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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 %

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Darwin learned that there were resemblances between the plants and animals of South America and __________
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