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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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)
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