Regarding the ABO blood group system in humans, if an individual is genetically IBIO and yet expresses the O blood type, which genotype is the individual likely to have?
What will be an ideal response?
hh (Bombay)
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Four of the five answers listed below are layers of the digestive tract. Select the exception
a. peritoneum b. mucosa c. serosa d. submucosa e. muscle layer
Antibody-mediated immunity is particularly effective against
A) extracellular pathogens. B) intracellular pathogens. C) both extra- and intracellular pathogens. D) None of the answers are correct.
RNA polymerase can do which one of the following?
A. allow RNA-DNA hybrids to form B. release a finished RNA transcript from a DNA template C. separate DNA strands D. restore the original DNA strands E. RNA polymerase is capable of all of these activities.
A deficiency of T-helper cells would affect both cell-mediated immunity as well as antibody production.
Answer the following statement true (T) or false (F)