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4 years ago

Amino acid-based hormones use a second messenger, cyclic AMP, but steroid hormones ________________________.

Biology

1 answer:

Elena L [17]4 years ago

7 0

Explanation:

Amino acid-based hormones use a second messenger, cyclic AMP, but steroid hormones complex inside the nucleus with a receptor and DNA to initiate protein synthesis

Further explanation:

The endocrine system involves chemical signalling via the secretion of molecules called hormones into extracellular fluid. They bind to chemical receptors in order to cause specific changes in target cells, these lead to changes in the body's internal environment called homeostasis.

The endocrine system includes the thyroid, parathyroid, pituitary, pineal and adrenal glands along with other regions. The bone, adipose tissue, heart, pancreas and liver are a few of the regions of the body which show endocrine function.

Steroid hormones are mainly derived from the steroid molecule. They contain two types, sex steroids, and corticosteroids. Based on the receptors they bind to, these are further subdivided into:

mineralocorticoids
androgens
glucocorticoids
estrogens
progestogens

They traverse the cell membrane and bind to intracellular reptors, forming complexes that regulate or switch on gene expression. The complex joins with hormone response elements, which are unique sequences of DNA to jump-start the transcription process within the cell.

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

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