Animal growth primarily occurs by an increase in the:a

number of tissues and organs.
b. number of cells.
c. types of cells produced.
d. number of cell functions.
e. number of cell shapes


b

Biology & Microbiology

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When the end product of a pathway inhibits catalysis of the first step of that pathway, this phenomenon is called

A. feedback inhibition. B. metabolic channeling. C. reversible covalent modification. D. non-competitive inhibition.

Biology & Microbiology

Cylindrical structures in compact bone containing osteocytes arranged around a central canal are known as ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following defines an inactive viral segment of nucleic acid inserted into a bacterial chromosome during a lysogenic cycle?

a. retro virus b. prophage c. temperate phage d. transduction

Biology & Microbiology

The Delaney Clause

Select one: a. prevents the intentional use as food additives of compounds shown to cause cancer in laboratory animals or humans. b. defines the maximum dosage of a food additive that causes no observable effects in rats and mice. c. lists food additives that are generally recognized as safe. d. grants the USDA jurisdiction over food additives.

Biology & Microbiology