Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 49, Problem 15TYPSS
Summary Introduction
To analyze:
The analysis of researcher’s hypothesis about the role of polypeptide hormone in the expression of gene by activating the transcription of DNA in nucleus.
Introduction:
The hormones are mainly of two types: Steroid hormone and amino acid derivatives, because of their different chemical nature, the function and mode of action vary from each other. The steroid hormones shows a higher permeability to plasma membrane as they are lipid soluble in nature, while most of the polypeptide hormones and amino-acid-derived hormones are not lipid soluble. Their solubility differences marks the difference in target surface of the hormones.
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