QUESTION 1 en you are scared, the adrenal glands secrete adrenaline, which trigg

Question

QUESTION 1 en you are scared, the adrenal glands secrete adrenaline, which triggers an increase in the heart rate. Adrenaline binds to its G protein-coupled receptor on cardiac muscle cells, which activates the enzyme ATP to Once formed it binds to and activates the enzyme phosphorylation of specific proteins in the heart muscles that causes the rate of contraction to increase This molecule is one of several intermediate cytasolic signaling molecules known as which converts the nucleotide This enzyme causes the QUESTION 2 If a hormone is released into the bloodstream, cells in the body respond to the hormone. and therefore comes into contact with many cells, the presence of [i] determines which QUESTION 3 DNA genes can be switched off and on in the nucleus by a series of kinases known as [1] that are triggered by activated GTP-bound Ras, the final kinase enters the nucleus, where it phosphorylates its target proteins

Explanation / Answer

1. adenylyl cyclase, cAMP, secondary messengers, protein kinase-A.

2. Receptors

3. MAP Kinases

4. Inactive

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.