Which one of the following is a component of blood plasma?
A) collagen
B) hemoglobin
C) bone
D) water
E) mitochondria
D
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Ovules are contained within the
A. anther. B. filament. C. style. D. stigma. E. ovary.
A unidirectional process where a specific compound released by one organism has a negative effect on another organism is called ________.
A. amensalism B. negative cooperation C. commensalism D. predation
A woman who breeds parrots develops a fever and cough, and begins to have difficulty breathing. Small Gram-negative bacteria are detected inside cells of a sputum sample. Which of the following diseases is she likely to have contracted?
A) histoplasmosis B) influenza C) primary atypical pneumonia D) ornithosis E) inhalation anthrax
The cytoplasmic (plasma) membrane of bacteria:
a) retains the cytoplasm and its contents b) acts as a selectively permeable barrier, allowing some molecules to pass while preventing the movement of others c) is the major site of ATP synthesis (respiration) in aerobes d) all of the above