Direct Selection Involves Inoculating Cells onto Growth Media On/in Which

question 61

Multiple Choice

Direct selection involves inoculating cells onto growth media on/in which

• A) the mutant but not the parental cell type will grow.
• B) the mutation will be reversed.
• C) the nutrients necessary for mutation to occur are present.
• D) the mutagen is present.
• E) histidine has been added.

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Definitions:

Phospholipid Second Messengers

Molecules derived from phospholipids that act within cells to transmit signals from a variety of receptors to their target molecules.

Thyroid Gland

An endocrine gland that lies anterior to the trachea and releases hormones that regulate the rate of metabolism.

TSH

Thyroid-stimulating hormone, a pituitary hormone that stimulates the thyroid gland to produce thyroid hormones.

Homeostasis

The regulation of internal conditions within the cells or organisms to maintain stable, constant conditions necessary for survival.