Genes are composed of:
a. Chromosomes
b. Ribosomes
c. Hemoglobin
d. Deoxyribonucleic acid (DNA)
e. Mitochondria
D
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Which of the following is NOT a required step in B and T lymphocyte maturation?
A. Proliferative expansion of precursor cells B. Cell surface expression of complete antigen receptor complexes C. Positive selection D. Activation of precursors by foreign antigens E. Pre-antigen receptor expression
Which of the following is true of caffeinated alcoholic beverages?
A. They may cause drinkers to consume more alcohol than they normally would. B. They help speed the metabolism of alcohol in the bloodstream. C. They are less potent than other canned drinks such as beer. D. They contain the same amount of caffeine as standard soft drinks.
The shaft of a long bone is known as the ____
What will be an ideal response?
A. benign B. beningn A or B: _____ meaning: __________
Fill in the blank(s) with correct word