The medium used for the indole test is
A. tryptone water
B. indole broth
C. MR/VP medium
D. Ornithine broth
E. Tryptophan broth
Ans: E. Tryptophan broth
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In interference competition, two or more populations use the same limiting resource
Indicate whether the statement is true or false.
____________ mutations are the underlying cause of most types of cancer
A. X-linked D. Y-linked B. Somatic E. Mitochondrial C. Viral
An antagonist to a receptor decreases the number of messengers bound to the receptor.
a. true b. false
In a humoral or antibody-mediated immune response, specific B cells are stimulated by Helper T cells to transform into plasma cells that secrete antibodies. What would be an important feature added to B cells In this transition process?
A) Duplication of specific gene sequences for the appropriate antibody. B) Increased rough endoplasmic reticulum in order to have the surface area needed for antibody production. C) Duplication of lysosomes in order to store the antibodies before transport.