In a cyclic metabolic pathway, the ____
a. product inhibits the first enzyme
b. last step regenerates an enzyme for the first step
c. product inhibits the last enzyme
d. last step may regenerate a reactant for the first step
e. regulatory molecules bind to regions other than the active site
d
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If melanocyte-stimulating hormone were increased, you would expect
a. changes in kidney function for retention of water. b. increase in reproductive or estrus cycles. c. increase in heat loss from the body surface. d. increase in pigmentation in the skin. e. decrease in milk production in females.
Reciprocal innervation of reflexes between antagonistic muscle pairs
a. is the usual basis of coordinated contractions. b. is the means by which rods prevent cones from being stimulated. c. refers to the lens adjustments that bring about precise focusing onto the retina. d. explains the mechanism for the operation of the calcium pump. e. is a protective function only.
The use of a physical or chemical process to destroy vegetative pathogens on inanimate objects is ________.
A. disinfection B. sterilization C. sanitization D. antisepsis E. degermation
Discuss the ways in which fungi are both helpful and harmful to human society
What will be an ideal response?