To prevent depletion of a substrate, the product of a metabolic pathway will
A. turn off an enzyme early in the pathway.
B. catalyze its own production.
C. increase enzyme activity through positive feedback.
D. occupy the active site of an enzyme early in the pathway.
A
You might also like to view...
The vascular supply to slow muscle fibers is ________ the network of capillaries around fast muscle fibers.
A. the same as that of B. more extensive than C. less extensive than
Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer)?
A. Pia mater B. Arachnoid C. Dura mater D. Subdural layer E. Subarachnoid layer
If a graded potential is large enough, it can initiate an action potential before the graded change dies off
a. True b. False Indicate whether the statement is true or false
Which of the following is a characteristic of the epidermis?
a. contains collagen fivers b. consists of keratinized stratified squamous epithelium c. is well vascularized d. contains fat stored in adipose tissue