Which type of B cell remembers pathogens that have been introduced to the body so that repeat exposure can be fought more swiftly?
A. APCs
B. BPlasma cells
C. BMemory cells
D. None of these are correct.
Answer: C
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Which part of the antibody is Y shaped?
a. antigen-binding fragments. b. tail portion. c. light chains. d. arm regions. e. Fab regions.
Factors that are homeostatically regulated are maintained at a constant, fixed level unless disease is present
Indicate whether the statement is true or false
Given a watery solution in which 1/1,000,000 particles are free H+ ions, what will the pH be?
A. 10 B. 7 C. 5 D. 2 E. 6
In the differentiation of a normal female:
A. Müllerian inhibiting substance causes the Müllerian ducts to regress. B. the uterus and fallopian tubes are formed from the Wolffian ducts. C. female genitalia form in the absence of hormonal stimulation. D. the gonads remain undifferentiated throughout fetal life. E. the SRX protein present on X chromosomes makes the gonads differentiate into ovaries.