What cellular component of a sensory neuron would account for its specialization in response to physical or chemical cues?
A. the phospholipid composition of its plasma
membrane
B. the shape of the neuron
C. the proteins present in its cytosol or on its
plasma membrane
D. both the shape of the cell and the proteins
in its cytosol or membrane
D
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If you are a human geneticist looking for an ideal population in which to map disease genes, which of the following characteristics would help the mapping study?
A) small family sizes with well-known genealogies B) a population where all members have the disease C) large family sizes with little known genealogies D) large family sizes with well-known genealogies
You are interested in studying a receptor and decide to make a knockout mouse. However, you notice severe developmental defects that result in embryonic lethality in this receptor knockout
Which developmental process is most likely affected when you disrupt a receptor on the cell surface, disrupting its ability to receive a signal and initiate a transduction pathway? A) Cell proliferation B) Cell-cell interactions C) Cell differentiation D) Cell movement E) Apoptosis
Coenzyme Q and cytochrome C:
A. transfer high-energy electrons between protein complexes of the electron transport chain. B. transfer high-energy electrons from NADH and FADH2 to protein complexes of the electron transport chain. C. transfer electrons to ATP synthase. D. transfer electrons to oxygen at the end of the electron transport chain. E. None of the answer options is correct.
A codon is a group of three bases that can specify more than one amino acid.
a. true b. false