Plant secondary compounds are chemicals that

a. have no known metabolic function in the plant.
b. are required for enzyme function.
c. are generally carbohydrates or proteins.
d. are important in cell division.


b

Biology & Microbiology

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Ribozymes are enzymes

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following would not be a "control" in an experimental procedure?

A. a normal group B. an experimental group C. a known standard of comparison D. a placebo group E. a "zero-value" group

Biology & Microbiology

Which most completely describes the circumstances under which yarrow will alter its phenotype?

A. Temperature, soil conditions, and water conditions B. Soil conditions only C. Being produced by sexual versus asexual reproduction D. Water conditions only E. Asexual reproduction, soil conditions, and water conditions

Biology & Microbiology

In general, the cold-dwelling thaumarchaeotes are evolving more slowly than the hyperthermophilic crenarchaeotes

Indicate whether the statement is true or false.

Biology & Microbiology