Which of the following is a list of taxa, that along with their common ancestors, constitutes a monophyletic clade?
A. Prokaryotes
B. Eukaryotes
C. Protists
D. All of the above
E. None of the above
Ans: B. Eukaryotes
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Ocean currents in the Northern Hemisphere such as the Gulf Stream run in what direction?
A. counterclockwise B. clockwise C. north to south D. south to north E. always from the tropics to the pole
Which is NOT an effect of the hormonal products of the adrenal medulla?
A. accelerate heartbeat B. stimulate synthesis of glycogen C. increase blood pressure D. reduce blood flow to the skin and digestive organs E. increase blood sugar
Which of the following steps, in order, were used to determine what receptor in the hypothalamus
binds NPY?
a. clone gene; sequence gene; Northern blotting experiment b. sequence gene; Northern blotting experiment; clone gene c. Northern blotting experiment; clone gene; sequence gene d. clone gene; Northern blotting experiment; sequence gene e. sequence gene; clone sequenced gene; Northern blotting experiment using cloned gene
Which part of the body is often diseased in alcoholics due to exposure to alcohol?
A. liver B. esophagus C. stomach D. kidneys E. large intestine