The beginning of anaphase occurs when cohesins holding the sister chromatids together are degraded by
a. anaphase-promoting complex.
b. ATM.
c. proteasome.
d. separase.
Ans: d. separase.
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As pyruvate is prepared for the citric acid cycle, it undergoes a process of
A) reductive carboxylation. B) oxidative decarboxylation. C) oxidative carboxylation. D) reductive decarboxylation. E) substrate level phosphorylation.
This type of forest is disappearing fastest
A) great oaks B) maple C) kelp D) tropical
In angiosperms, the gametophyte generation:a
results from the fertilization of two gametes. b. is dominant. c. is nutritionally dependent on the sporophyte. d. produces gametes via meiosis. e. produces spores by mitosis
Nadia, who is 25 years old, wants to be taller because she is just 5 feet tall. Of the choices given, which would be the wisest option for Nadia?
A) Take thyroxine daily. B) Use GHRH so she will have her own natural growth. C) Take injections of growth hormone. D) Do nothing.