Describe, in detail, the two molecular processes in steroid and peptide action

1 answer:

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Hormone – biologically active molecule that is released into circulation from site of synthesis and acts at a distant sitecan be either hydrophilic (polypeptide hormone) or lipophilic (steroid) – biogenic amines can be eitherbinds specific receptor – on cell surface (hydrophilic hormones) or inside cell (lipophilic hormones)lipophilic hormones bind carrier proteins to travel in circulation; hydrophilic hormones travel freelycis-acting elements – DNA segments in the promoter region which bind trans-acting elementstrans-acting elements – molecules that impact downstream gene transcription when they bind cis-acting elements

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What logical scientific inference can be drawn from the observation that many different species have homologous structures?

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<h2>Answer:</h2>

Option C) All species with similar anatomical structures are related.

<h2>Explanation:</h2>

Homologous Structure: A homologous structure is an example of an organ or bone that appears in different animals, which are anatomically similar structure demonstrating descent from a common ancestor.
All species with similar anatomical structures which means they have homologous structures and are related as they have evolved from a common ancestor.
Homologous structures shows divergent evolution.

Result: Option C is the correct scientific inference for homologous structures.

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