In Circumstances Where the Body Requires Prolonged or Increased Levels

question 47

Multiple Choice

In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as___________ .

• A) up-regulation
• B) sensitivity increase
• C) cellular affinity
• D) a stressor reaction

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Definitions:

Purity

The state of being free from contamination, pollution, or other unwanted elements; often used in a moral or spiritual context to denote cleanliness or innocence.

Colour

The characteristic of visual perception described in terms of hue, lightness, and saturation, which objects produce by the way they reflect or emit light.

Physical Property

A characteristic of a substance that can be observed or measured without changing the substance's identity.

Impossible Figures

Optical illusions or drawings of objects that appear to be real and three-dimensional but are geometrically impossible to exist in reality.