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

Biology & Microbiology

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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

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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

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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

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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

Biology & Microbiology