Which of the following factors is the most important requirement in order for life to emerge?

a. the presence of liquid water
b. the presence of air
c. the presence of soil
d. the presence of sunlight


Ans: a. the presence of liquid water

Biology & Microbiology

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Which statement is false?

a. High concentrations of ATP inhibit the formation of more ATP. b. The ATP concentration in cells actually decreases at first when cells need large supplies of energy. c. When ATP concentration declines, enzymatic activity that produces ATP declines. d. Cells constantly adjust their metabolic reactions to provide energy whenever it is needed. e. The activity of many different enzymes influences the supply of ATP in cells.

Biology & Microbiology

Menopause normally occurs around age 60, when women stop menstruating and their ovaries are no longer working.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Edema that occurs with the excess of interstitial fluid, often determined by putting pressure on the arms and legs is known as.

A) generalized edema. B) pitting edema. C) ascites. D) cerebral edema.

Biology & Microbiology

The enteric division of the autonomic nervous system consists of neurons in the digestive tract, the gallbladder, and the

A) heart. B) lymphatic system. C) pancreas. D) thyroid gland.

Biology & Microbiology