Which organism's virulence is due to protease and gelatinase production, which causes the destruction of host cells and tissues?
a. Bergeyella zoohelcum
b. E. meningoseptica
c. Chryseobacterium indologenes
d. Agrobacterium spp.
B
E. meningoseptica, the species most often associated with human infections, can be encapsulated or produce proteases and gelatinases that destroy host cells and tissues.
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Which cell type is responsible for the strength of the secondary immune response?
A. naïve B cells B. plasma cells C. memory cells D. All of the answer options are correct.
In a certain population, 40 of every 1,000 births results in an individual that suffers from cystic
fibrosis. What is the allele frequency for the recessive allele that causes cystic fibrosis? a. 0.004 b. 0.02 c. 0.2 d. 0.4 e. 0.8
Assume that a Chi-square test was conducted to test the goodness of fit to a 9:3:3:1 ratio and a Chi-square value of 10.62 was obtained. Should the null hypothesis be accepted?
What will be an ideal response?
Which of the following tissues is used for energy storage?
A) Dense connective B) Blood C) Epithelial D) Cartilage E) Adipose