The molecule shown above is a(n) ____

a. triglyceride
b. amino acid
c. steroid
d. polysaccharide
e. phospholipid


ANSWER: e

Biology & Microbiology

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The antibody active in agglutination or clumping of antigens is that determine blood groups. This antipody is a pentamer and it is found in the blood and the lymph.

A) IgA B) IgM C) IgG D) IgD

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A plant has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are being absorbed by this pigment?

A) red and yellow B) blue and violet C) green and yellow D) blue, green, and red E) green, blue, and yellow

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Which organelles form the site of ATP production by aerobic cellular respiration?

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The Ames test ________.

A. is used to measure levels of oxygen-free radicals B. can be used to measure the mutagenicity of chemicals C. is used to measure the repair of thymine dimers D. None of the choices are correct.

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