3. (2 pts) What does the \"c\" in cdk stands for? a. Cancer b. Checkpoint c. Coc

Question

3. (2 pts) What does the "c" in cdk stands for? a. Cancer b. Checkpoint c. Cockatoo d. Cyclin e. Cytoplasm 4. (2 pts) What enzyme attaches phosphates to substrates? a. Adenylyl cyclase b. ATPase c. ATP synthase d. Kinase e. Phosphatase 5. (2 pts) What type of cell signaling uses hormones that travel long distances? a. Direct contact c. Paracrine d. Shmooing e. Synaptic 6. (2 pts) What is true about the sodium potassium pump? a. It pumps sodium into the cell b. It pumps potassium out of the cell c. It relies on diffusion of ions d. It requires ATP to work ^ e. It's shape does not change throughout the pumping cycle 7. (2 pts) What is correct about the drug Gleevec that is used to treat leukemia? a. It is an activator of BRCA-1 b. It is an activator of G proteins c. It is an inhibitor of a phosphatase d. It is an inhibitor of a tyrosine kinase e. It is an oncogene

Explanation / Answer

Answer:
3 d. Cyclin which play a major role in cell check point.
4 d. Kinase attaches phosphate to substrate while phosphatase removes phosphate group. While ATP SYNTHASE helps in ATP synthesis and adenlyl cyclase involves in cAMP.
5 b. Endocrine used for long distance secretion while used for nearby secretion.
6 d. It's require ATP to work as it as active transport mechanism in which sodium pumps outside the cell and potassium pumps inside.
7 d. It is an inhibitor of a tyrosine kinase.
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