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kramer
3 years ago
10

A pharmaceutical company sets out to design a drug to inhibit the response of cells to testosterone, a steroid hormone. Which of

the following is most likely to be the result of this drug? (A) a decrease in G protein activity (B) a decrease in transcriptional activity of certain genes (C) an increase in receptor tyrosine kinase activity (D) an increase in cytosolic calcium concentration
Biology
1 answer:
diamong [38]3 years ago
7 0

Answer:

(B) a decrease in transcriptional activity of certain genes

Explanation:

Testosterone is a steroid hormone, for which receptors are present inside the cell as it can easily pass the lipid bilayer. Like other steroid hormones, testosterone shows its affects by modulating transcription of its responsive genes.

After binding with receptor, it makes a hormone-receptor complex that binds with promoters of its responsive genes. If a drug is inhibiting response of testosterone, it must be decreasing the transcriptional activity of some genes, which are modulated by testosterone.

Thus, the correct answer is option (b).

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I'm not really sure, but I guess skin colour isn't passed genetically?
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3 years ago
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1. Look at the illustration in Figure 25-4. Do you think that the bud on the side of the adult hydra
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Answer:

A. No, because budding is a type of asexual reproduction.

Explanation:

Asexual reproduction is the process where an organism makes a copy of itself by itself. It does not require a mate to make offspring.

The offspring are genetically identical to the parent.

Budding is a type of asexual reproduction where a small outgrowth of the parent breaks off to become a new organism.

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3 years ago
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An AAaa tetraploid plant undergoes self-fertilization. At least two dominant A alleles are needed to obtain the dominant phenoty
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Answer:

The frequency will be  35/36

Explanation:

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3 0
3 years ago
plzz help me!!!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>
VLD [36.1K]

Answer:

comparative anatomy:

compares the genomes of different organisms

compares the limbs of different organisms

molecular biology:

compares fossilized structures to living organisms

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EXPLANATION:

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Molecular Biology is the field of biology that studies the composition, structure and interactions of cellular molecules – such as nucleic acids and proteins – that carry out the biological processes essential for the cell's functions and maintenance.

HOPE THIS HELP YOU!! ;))))

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3 years ago
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Hope this helps alot!! -Aparri

(Thank you's are always welcome)
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3 years ago
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