The letter “E” in the above figure represents the
a. style.
b. ovary.
c. stigma.
d. anther.
e. filament.
Answer: b
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____ is the lowest blood pressure of the
cardiac cycle and occurs when the ____.
a. Systolic pressure; ventricles are fully relaxed b. Diastolic pressure; ventricles are contracting c. Systolic pressure; ventricles are contracting d. Diastolic pressure; ventricles are fully relaxed e. None of these
Membrane-like structures form when proteins or lipids are mixed with water. They serve as a model
for __________, which may have preceded cells. Fill in the blank(s) with the appropriate word(s).
Fats are digested to form
A. amino acids and energy. B. fats. C. fatty acids and glycerol. D. simple sugars.
During the catarrhal stage of pertussis, symptoms are:
a. runny nose and mild cough. b. severe and violent coughing. c. vomiting and "whooping" as air is rapidly inspired into the lungs past a swollen glot-tis. d. lymphocytosis and fever.