The Advantage of Being Able to Clone the Gene for Human

question 40

Multiple Choice

The advantage of being able to clone the gene for human insulin is that

• A)there are too few cows, pigs, and horses to provide an adequate supply of their insulin.
• B)human insulin is less likely to cause harmful side effects than cow, pig, or horse insulin.
• C)cow, pig, or horse insulin cannot keep a diabetic alive for more than three months.
• D)using human insulin increases the probability that, in the future, the person suffering from diabetes can be weaned from a dependence on insulin.

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Definitions:

Zeitgebers

External or environmental cues, such as light and temperature, that help regulate biological rhythms, including the sleep-wake cycle.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness.

Secreted

Refers to the process by which substances are produced and discharged from cells or glands, often into the bloodstream or external environment.

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.