What is a disadvantage of cloning as a propagation technique?
A) Cloning produces monocultures that can potentially be wiped out by a single disease.
B) Cloning is more expensive and more difficult than growing from seeds.
C) Cloning is time-consuming, with slow results.
D) Cloned organisms are dangerous and unpredictable.
Answer: A
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The Staphylococcus aureus toxins are
A) neurotoxins. B) endotoxins. C) ectotoxins. D) superantigen toxins.
In the human body, cilia play an important role in the function of each of the following organs
EXCEPT ____.
a. ventricles of the brain b. oviducts of the female reproductive system c. upper respiratory tract d. ventricles of the heart
Are plant and animal cells generally the same size?
a. Yes b. No, plant cells are generally larger. c. No, animal cells are generally larger.
Which term refers to a bacterial protein that causes disease only after the cell has been disrupted?
a. endospore b. heterocyst c. endotoxin d. exotoxin