A first exposure to an allergen is likely to activate ________ to make and secrete ________
a. B cells, IgG
b. T cells, IgA
c. B cells, IgA
d. T cells, IgE
e. B cells, IgE
e
Biology & Microbiology
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Which of the following cell types has the lowest developmental potential?
A) Oocyte B) Red blood cell C) Embryonic stem cell D) Zygote E) All have equal developmental potential.
Biology & Microbiology
Each lung is covered by a thin, smooth membrane called a ________ membrane.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The monomers of polysaccharides are:
A) fatty acids. B) amino acids. C) simple sugars. D) nucleotides.
Biology & Microbiology
Chemotaxis refers to the ability to
A. move in response to light. B. move in response to a chemical. C. not move in response to a chemical. D. transport desired molecules into cell. E. None of the choices is correct.
Biology & Microbiology