Which of the following is NOT included in the MALT?
A. the appendix
B. the spleen
C. Peyer's patches
D. lymphoid tissue in the respiratory tract
E. lymphoid tissue in the small intestine
Answer: B
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Nephrons are found in ____
a. annelids b. mammals c. flatworms d. insects e. adult mollusks
What is a major role that fungi play in ecosystems?
A) Recycling nutrients from dead organisms back into the food chain B) Fixing carbon from the atmosphere C) Synthesizing glucose from carbon dioxide and water D) Photosynthesis
Why is satellite DNA not useful for establishing evolutionary relationships between species?
What will be an ideal response?
Why is Taq polymerase used in a polymerase chain reaction (PCR)?
A. Taq polymerase is more efficient than other DNA polymerases. B. Unlike other DNA polymerases, Taq polymerase is heat stable and survives the 94 degree denaturation step in PCR. C. Taq polymerase can produce DNA from an RNA template, unlike other DNA polymerases. D. Unlike other DNA polymerases, Taq polymerase is not inhibited by dideoxy nucleotides. E. Taq polymerase has proofreading activity and thus makes fewer errors than other DNA polymerases.