The renal vein carries ____
a. blood from the lungs
b. blood directly from the aorta
c. processed blood from the kidney
d. blood coming from the liver
e. blood into the small intestines
ANSWER: c
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What is p53?
A. A caspase B. A proto-oncogene C. A transcription factor D. A tumor suppressing gene E. None of the answers are correct
When one atom loses an electron to another atom, it results in the formation of
A. a polar covalent bond and a new molecule. B. cations and anions that can form ionic bonds. C. a covalent bond between the two. D. many hydrogen bonds. E. a nonpolar covalent bond that is difficult to break.
Which of the following make the interior of the plasma membrane hydrophobic?
a. Integral proteins b. Fatty acid tails c. Carbohydrates d. Cholesterol
The first stage in the development of the nervous system is
a. gastrulation. b. blastulation. c. neurulation. d. morulation. e. festination.