Question

true about pfk - 1 *
a. inhibited by decreased levels of atp
b. activated by low concentrations of amp
c. has both kinase and phosphatase activity
d. a and c only
e. nota

Explanation:

Step1: Analyze option A

PFK - 1 is activated by decreased ATP levels, not inhibited.

Step2: Analyze option B

PFK - 1 is activated by high concentrations of AMP, not low concentrations.

Step3: Analyze option C

PFK - 1 has kinase activity but not phosphatase activity.

Step4: Conclusion

Since options A, B, and C are incorrect, and D combines incorrect options, the answer is E. NOTA.

Answer:

E. NOTA