A Sample of Respondents Who Have an Unknown Chance of Selection

question 37

Multiple Choice

A sample of respondents who have an unknown chance of selection and are chosen because of factors such as convenience or judgment of the researcher is a

• A) hypothesis.
• B) probability sample.
• C) sampling frame.
• D) random sample.
• E) non-probability sample.

Understand the sequential experimental procedures in transgenic experiments, including vector insertion and screening methods.

Differentiate between transformation and transfection based on the nature of host cells and recombinant DNA.

Recognize the utility of plasmids as vectors and their characteristics that facilitate genetic engineering.

Understand the construction and purpose of genomic and cDNA libraries and their applications in research.

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Definitions:

Antidiuretic Hormone

A hormone released by the pituitary gland that regulates the body's retention of water by increasing the reabsorption of water in the kidneys.

Thyroid-Stimulating Hormone

A pituitary hormone that regulates the production of hormones by the thyroid gland.

Hypothalamus

A region of the brain that coordinates activities of the autonomic nervous system and the pituitary, controlling body temperature, hunger, and thirst.

Antidiuretic Hormone

A hormone released by the pituitary gland that regulates water balance in the body by increasing water absorption in the kidneys.