In competitive inhibition
a. the products of the reaction block the active site of the enzyme.
b. the products of the reaction bind to a site other than the active site of the enzyme and
block enzyme activity indirectly.
c. the substrate and cofactors compete for the active site.
d. the inhibitor binds to and directly blocks the active site of the enzyme.
e. the inhibitor binds to an enzyme at a site other than its active site.
D
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Which of the following is not a consequence of activation of the complement system?
A) attraction and activation of leukocytes B) increased phagocytosis by phagocytic cells (opsonization) C) lysis of bacteria and other foreign cells D) repair of damaged tissue
The cell in the figure above is involved in the
formation of a. plants. b. protists. c. bone. d. bacteria. e. all of these.
Explain how Mendel compensated for the fact that he was unable to analyze mathematically how well the observed
outcome of his cross fulfilled his predictions. What will be an ideal response?
Each ommatidium of the compound eye of an insect has a biconvex lens and a __________, which
help focus light onto photoreceptor cells known as __________. a. crystalline cone; retinular cells b. facet; ocelli c. rhabdome; cones d. sclera; rods e. cornea; rhodopsins