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Serjik [45]
3 years ago
14

What chemical messenger can directly influence gene expression

Biology
2 answers:
S_A_V [24]3 years ago
4 0
<span>Because they are membrane permeable, steroid hormones are messenger ligands that directly bind a nuclear receptor which is responsible for regulating gene expression. The others either bind a cell surface receptor or are commonly involved in a secondary signaling cascade</span>
deff fn [24]3 years ago
3 0
Steroid hormone, i think
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3 years ago
A population of fruit flies where wing shape is determined by one pair
AVprozaik [17]

The value of 2pg in the given population is 0.432

<u>Explanation:</u>

Given:

C is normal

c is curly wings

So the homozygous dominant condition would be CC

Heterozygous condition would be Cc

Recessive condition would be cc

According to Hardy Weinberg principle,

p² + 2pq + q² = 1

and

p + q = 1

Here,

q² = cc = 100

q² = 100 / 1000

q = √0.1

q = 0.316

So,

p + q = 1

p + 0.316 = 1

p = 0.684

Thus, 2pq would be:

= 2 X (0.684) X (0.316)\\\\= 0.432

Therefore, the value of 2pg in the given population is 0.432

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scZoUnD [109]
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What element is found in liver and is needed to prevent anemia?
zimovet [89]

Answer:

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Explanation:

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Which process occurs when liquid water becomes water vapor
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This is called evaporation!

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