Which of the following proteins function as a cell-cycle regulator and transcription factor that can result in cell death (apoptosis) to a damaged cell?
A) phosphokinase
B) p34
C) p102
D) cyclin
E) p53
Answer: E
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What was the major stumbling block for the acceptance of natural selection as a mechanism for
evolution when proposed by Darwin?
a. strong evidence for inheritance of acquired traits b. lack of a fossil record c. lack of a plausible theory of heredity d. lack of evidence for artificial selection e. lack of observational and experimental data
Plankton that can be caught with a standard plankton net are called:
a. nanoplankton. b. picoplankton. c. microplankton. d. megaplankton. e. gigaplankton.
What phase does it occur when sister chromatids become visible and are connected at centromere?
What will be an ideal response?
Which of the following groups includes carrier and channel proteins?
A) Recognition proteins B) Transport proteins C) Connection proteins D) Receptor proteins