The PAMP recognized by mannose-binding lectin (MBL) is the sugar mannose, found as a repeating subunit in
A) human mucus.
B) lymphocyte receptors.
C) bacterial and fungal polysaccharides.
D) bacterial peptidoglycan.
Answer: C
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What is the name of the field of biology that compares the development of different organisms in an attempt to understand ancestral relationships between organisms and the developmental mechanisms that bring about evolutionary change?
A. Pattern formation. B. Punctuated equlibrium. C. Cell biology. D. Evolutionary developmental biology. E. Endocrine biology.
The simple food chain: grass >>> zebra >>> lion provides a good example of a pyramid of
a. energy. b. height. c. biomass. d. energy and height. e. energy and biomass.
Which of the following is physically the largest?
A. HIV B. RNA molecule C. E. coli cell D. Human T cell
A particular mRNA is 300 nucleotides long. If a mutation in the middle of the sequence changed a codon from a AAA to a UAA then what would be a reasonable prediction?
A) The protein coded by this mRNA would be the same size. B) The protein coded by this mRNA would be longer. C) The protein coded by this mRNA would be shorter. D) The protein coded by this mRNA would not form due to a failure in initiation. E) The protein coded by this mRNA would kill the cell.