three major parts of a cell
What will be an ideal response?
nucleus , cyto
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What is basal metabolic rate?
a. the rate at which the body uses energy when exercising b. a measurement designed to assess increased health risk associated with weight c. the amount of calories consumed in one day d. the rate at which the body uses energy when you are at rest e. the rate at which energy is stored within the body
Relative humidity is the
A) amount of pressure at a given temperature at which water transforms from a liquid to a gaseous state. B) amount of pressure that water vapor exerts independent of the pressure of dry air. C) temperature at which saturation vapor pressure is achieved. D) amount of water vapor in the air relative to the saturation vapor pressure.
Which photosynthetic unit consists of a pair of chlorophyll a molecules with an absorption peak of 700nm?
a. photolysis b. Calvin cycle c. photosystem I d. antenna complex e. photosystem II
What is the approximate pH of ammonia?
a. 2 b. 4 c. 7 d. 8 e. 11