List Four Guidelines for Lifting a Heavy Object to Keep

question 11

Essay

List four guidelines for lifting a heavy object to keep from injuring your back.

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Definitions:

Phytochrome

A photoreceptor in plants that detects light to regulate various processes, such as germination, flowering, and shade avoidance.

Circadian Rhythm

An internal rhythm that approximates the 24-hour day. See biological clocks.

Cryptochrome

A proteinaceous pigment that strongly absorbs blue light; implicated in resetting the biological clock in plants, fruit flies, and mice.

Rubisco

An enzyme that catalyzes the fixation of atmospheric carbon dioxide during photosynthesis in plants.