Capsules play a role in the virulence of all of the following except __________.
A) Mycobacterium tuberculosis
B) Yersinia pestis
C) Klebsiella pneumoniae
D) Haemophilus influenzae
E) Bacillus anthracis
Ans: A) Mycobacterium tuberculosis
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The first gap in the cell cycle (G1) corresponds to _____
A) normal growth and cell function B) the phase in which DNA is being replicated C) the beginning of mitosis D) the phase between DNA replication and the M phase
What is the potential significance of root exudates?
What will be an ideal response?
Controls are necessary in scientific experiments because they
A. serve as a basis for comparison with the experimental results. B. enable the investigator to control the results. C. always confirm your observation. D. allow the investigator to develop experience in science.
Hormones secreted by endocrine glands belong to all the following chemical categories except
A. glycoproteins. B. steroids. C. polypeptides. D. amines. E. carbohydrates.