BIOD 210 Module 5 Exam Newest 2026-2027 Exam

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BIOD 210 Module 5 Exam Newest 2026-2027 Exam Preparation With Complete Questions And Correct Answers With Rationales | Already Graded A+||Brand New Version!!

What role do the ligands involved in endocrine signaling serve in the body.Hormones are the ligands involved in endocrine signaling. They regulate homeostatic mechanisms e.g., blood pressure and energy metabolism.

Which of the following best describes calcium's role as a second messenger?

• It activates protein kinase A.

• It activates protein kinase C.

• It binds to proteins to change their shape and function.
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• All of the above.

It binds to proteins to change their shape and function.

True or False. If false, explain why it is false.

A ligand can bind to any cell in the body as long as the receptor is free to bind.False. Ligands have specific receptors they must bind to.

If there was no specificity, the ligands would be binding to every single target cell it touches; therefore, resulting in changes throughout the whole body.

Which of the following is/are true of RTKs? (Select all that apply).

• They are a family of enzyme-linked receptor molecules.

• They have an extracellular region only. 2 / 3

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• They transfer a phosphate group to the amino acid tyrosine on

a target protein.

-None of the above are true.-They are a family of enzyme-linked receptors molecules.

-They transfer a phosphate group to the amino acid tyrosine on a target protein.

Explain the relationship between cancer development and apoptosis.Cells that undergo apoptosis typically have something wrong with them. This process helps to maintain normal cell functioning and growth. When cells resist apoptosis and continue to divide, cancer can often develop.

Mach each of the following terms with the correct description.

• Autocrine signaling
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