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BIO 669 Endocrine Exam Questions and Answers 100% Solved | Graded A+ $10.49   Add to cart

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BIO 669 Endocrine Exam Questions and Answers 100% Solved | Graded A+

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BIO 669 Endocrine Exam Questions and Answers 100% Solved | Graded A+ Permissive Effects of Hormones - A hormone can enable a second hormone to become more functional i.e. GH has a need for thyroid hormone in order to have its full effect Water Soluble Hormones - Circulate in free/unbound forms...

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  • October 30, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • BIO 669
  • BIO 669
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NinjaNerd
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BIO 669 Endocrine Exam Questions and

Answers 100% Solved | Graded A+


Permissive Effects of Hormones - ✔✔A hormone can enable a second

hormone to become more functional



i.e. GH has a need for thyroid hormone in order to have its full effect

Water Soluble Hormones - ✔✔Circulate in free/unbound forms

Short-acting response

Bind to surface receptors (plasma membrane surface)

Unable to freely cross the plasma membrane

High molecular weight

Lipid Soluble Hormones - ✔✔Steroid and thyroid hormones

Act on intracellular receptors that directly activate genes (bind with

cytosolic or nuclear receptors of DNA)

Rapid and long-lasting effects

Bound to carrier proteins in bloodstream

, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
Second Messenger Molecules and Water-Soluble Hormones - ✔✔Second

messenger molecules amplify the effect of one hormone signal into the cell

and has multiple effects on the series of enzymes



i.e. Ca++, cAMP, cGMP, IP3

IP3 - ✔✔Leads to the formation of calcium into the cell - and that calcium

can frequently act as a second messenger

Thyroid Hormone is an example of what type of hormone? - ✔✔A lipid

soluble steroid hormone



TH is carrier bound which allows for lower fluctuations in TH blood

concentrations

Adenohypophysis - ✔✔The anterior pituitary portal system of linear

capillaries

Neurohypophysis - ✔✔The posterior pituitary system that arises from a

complex of neurons/axons

What is one of the first signs of a pituitary mass? - ✔✔Double vision



*r/t the position of the optic chiasma and pituitary gland

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