Would the first cells most likely have used DNA as their genetic (information storage) molecule?
A. yes
B. no
C. It's difficult to know.
Answer B
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Latex bead agglutination tests are
A) rapid and reliable tests used for the detection of certain bacteria as well as certain serum antibodies. B) inferior tests used in developing countries not having facilities for more reliable assays. C) an integral part of the EIA test procedure. D) too expensive for routine use.
When an error of mitosis or meiosis results in a diploid gamete, the gamete is said to be ____, which can result in
____.
a. reduced; allopolyploidy only b. reduced; autopolyploidy only c. unreduced; allopolyploidy only d. unreduced; autopolyploidy only e. unreduced; both allopolyploidy and autopolyploidy
After a human being draws in outside air through the nasal cavity, in what order does the air flow before reaching the alveoli?
a. Larynx, trachea, bronchi, bronchioles b. Trachea, larynx, bronchi, bronchioles c. Larynx, trachea, bronchioles, bronchi d. Trachea, larynx, bronchioles, bronchi
A fatty acid that contains only single bonds between the carbon atoms is considered
A. a cholestrol. B. unsaturated. C. trans unsaturated. D. saturated. E. a steroid.