Which of the following is required for photons to be used as a source of energy?

a. They must be particles.
b. They must be energized.
c. They must be absorbed by a molecule.
d. They must be reflected by a molecule.


Answer: c. They must be absorbed by a molecule.

Biology & Microbiology

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All of the following statements about mycoplasmas are true EXCEPT

a. they possess a nucleoid. b. they lack a cell wall. c. they are Bacteria. d. they are Archaea. e. they are resistant to penicillin.

Biology & Microbiology

Four of the five choices listed below result from

fertilization. Select the exception. a. fruit b. seed c. embryo d. pollen e. endosperm

Biology & Microbiology

How can you establish that, in a newly described species of plant, a particular phenotype is due to a chloroplast rather than a nuclear gene?

What will be an ideal response?

Biology & Microbiology

On October 29, Barbara volunteered for a study group for her microbiology class. On October 30, she felt fine. On November 1, Barbara developed a "scratchy throat" when she swallowed. On November 2, Barbara had a headache, runny nose, and watery eyes. She was fully recovered on November 7. During which time was Barbara in the prodromal period?

A) October 30 B) November 1 C) November 2 D) November 7

Biology & Microbiology