Human Physiology - Neural Control & Coordination Questions

Which of the following best describes
how to achieve surface signaling
activity in activating or inactivating
gene regulation in mammalian cells?
A. Steroids carry out the following
activities to achieve signaling in
mammalian cells: bind the G-protein
cou

Biology

Human Physiology - Neural Control & Coordination Solutions

Which of the following best describes how to achieve surface signaling activity in activating or inactivating gene regulation in mammalian cells? A. Steroids carry out the following activities to achieve signaling in mammalian cells: bind the G-protein coupled receptors; the G-proteins activate cytoplasmic adenylyl cyclases to split ATP into CAMP and pyrophosphate; CAMP binds protein Kinase-A and translocates into the nucleus to phosphorylate CREB proteins, causing their binding to dimeric CRB protein that interact with DNA and activate or inactivate gene regulation. B. Small protein molecules carry out the following activities to achieve signaling in mammalian cells: bind the G-protein coupled receptors; the G-proteins activate cytoplasmic adenylyl cyclases to split ATP into CAMP and pyrophosphate; CAMP binds protein Kinase-A and translocates into the nucleus to phosphorylate CREB proteins, cousing their binding to dimeric CRB protein that interacts with DNA and activates or inactivates gene regulation. C. Enzymatic proteins carry out the following activities to achieve signaling in mammalian cells: bind the G-protein coupled receptors; the G-proteins activates cytoplasmic adenylyl cyclases to split ATP into CAMP and pyrophosphate; CAMP binds protein Kinase-A and translocates into the nucleus to phosphorylate CREB proteins, causing their binding to dimeric CRB protein that interacts with DNA and activates or inactivates gene regulation. D. Answers A, B and C are the correct answer choices for this question. E. Answers A and C are the correct answer choices for this question. DONEPLUS

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