The scientific name of the "windpipe" is the
A. larynx.
B. pharynx.
C. vocal cords.
D. esophagus.
E. trachea.
E. trachea.
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A high concentration of H+ in the thylakoid compartment provides potential energy for the ____ by ____
a. breakdown of water; oxidation b. production of ATP; ATP synthases c. reduction of NADP+; an electron transfer chain d. production of sugars; the light-independent reactions e. production of O2; photolysis
Which neurotransmitter functions to stimulate skeletal muscle contraction?
a. acetylcholine b. epinephrine c. dopamine d. serotonin e. GABA
You wish to investigate proteins from human liver cells that bind to a specific short sequence of nucleotide bases you believe to be an enhancer element
Design an experiment that would allow you to isolate and characterize human proteins that bind to the nucleotide sequence you are interested in. (Include at least two separate techniques in your answer.) What will be an ideal response?
During bacterial conjugation, the recipient cell receives a single-stranded loop of DNA.
a. true b. false