In what way does prokaryotic fission resemble
eukaryotic mitosis?
a. mechanism of chromosome movement
b. genetically equivalent daughter cells are
produced
c. chromosome attachment
d. production of a cytoskeletal framework for
separating chromosomes
e. all of these
B
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An animal is in an environment with a higher than normal temperature. It no longer has enough energy to reproduce or maintain homeostasis. What kind of environment is it in?
a. Suboptimal zone b. Zone of intolerance c. Zone of thermal instability d. Zone of stress
Yeast produce ethanol, a toxic waste product during fermentation. Why would yeast undergo fermentation instead of cellular respiration?
A. to regenerate NAD+ in order to continue glycolysis B. to use up excess pyruvate in order to continue glycolysis C. to avoid the production of lactic acid D. to produce NADH for energy E. to conserve oxygen for other reactions
The three steps, in order, of the Calvin Cycle are:
a) fixation of CO2, sugar creation, regeneration. b) sugar creation, regeneration, ATP production. c) ATP production, the electron transport chain, and fixation of NADPH. d) the splitting of water, the electron transport chain, the passing of electrons to NADP+. e) regeneration, fixation of NADP+, sugar creation.
What is the molecular mechanism for imprinting a gene?
A. Acetylation B. Nitration C. Phosphorylation D. Methylation