The ____ are considered to be blood reservoirs
a. arteries
b. arterioles
c. capillaries
d. heart
e. veins
ANSWER: e
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What is a deficiency of oxygen in the tissues called?
A) hypercapnia B) hypoxia C) hypoxemia D) hypocapnia E) apnea
Mitochondrial DNA is primarily involved in coding for proteins needed for protein complexes of the electron transport chain and ATP synthase. Therefore, mutations in mitochondrial genes would most affect _____
A) DNA synthesis in cells of the immune system B) the movement of oxygen into erythrocytes C) generation of ATP in muscle cells D) the storage of urine in the urinary bladder
Which of the following statements about a gram-positive cell wall is false?
A) It maintains the shape of the cell. B) It is sensitive to lysozyme. C) It protects the cell in a hypertonic environment. D) It contains teichoic acids. E) It is sensitive to penicillin.
Disadvantages of continuous cell cultures include
A) they only grow for a limited number of generations. B) the expense of preparation. C) they may be significantly different genetically from the original source animal. D) viruses do not reliably infect them. E) they are both expense and have a limited number of division.