Several enzymes that fit the same substrate are
A. the same as the substrate.
B. not able to function.
C. in competition for the same substrate.
D. able to interact and form one complex of enzymes.
C. in competition for the same substrate.
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Members of Mollicutes are commonly called ________; these bacteria are characterized by the absence of cell walls, their small genomes, and simplified metabolic pathways.
What will be an ideal response?
Runners are modified stems that resemble roots and
are also known as a. stolons. b. rhizomes. c. bulbs. d. corms. e. tubers.
Which of the following is false regarding bronchitis?
a. It can result from chronic irritation of the ciliated lining of the bronchioles. b. Irritated epithelial cells decrease their production of mucus. c. Bacteria colonize the epithelial mucus. d. Early attacks are treatable. e. Fibrous scar tissue forms in chronic bronchitis.
Which of the following statements about apoptosis is true?
(a) Cells that constitutively express Bcl2 will be more prone to undergo apoptosis. (b) The prodomain of procaspases contains the catalytic activity necessary for procaspase activation. (c) Bax and Bak promote apoptosis by binding to procaspases in the apoptosome. (d) Apoptosis is promoted by the release of cytochrome c into the cytosol from mitochondria.