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

Biology & Microbiology

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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

Biology & Microbiology

What is the potential significance of root exudates?

What will be an ideal response?

Biology & Microbiology

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.

Biology & Microbiology

Hormones secreted by endocrine glands belong to all the following chemical categories except

A. glycoproteins. B. steroids. C. polypeptides. D. amines. E. carbohydrates.

Biology & Microbiology