Which term refers to a sequence of three tRNA nucleotides that binds to a complementary mRNA codon?
a) anticodon
b) codon
c) amino acid
d) base triplet
a) anticodon
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You have a patient who has pernicious anemia. Which of the following supplements should she take to improve her symptoms?
A. Vitamin E B. Vitamin D C. Iron D. Vitamin B12 E. Bilirubin
During the secretory phase of the menstrual cycle ________.
A) LH reaches its highest levels B) progesterone levels are at their highest C) estrogen reaches its highest levels D) the Graafian follicle forms
Which of the following is the correct neural pathway for hearing?
A. Vestibulocochlear nerve, thalamus, inferior colliculus, medulla oblongata, temporal lobe B. Vestibulocochlear nerve, inferior colliculus, medulla oblongata, thalamus, temporal lobe C. Vestibulocochlear nerve, medulla oblongata, inferior colliculus, thalamus, temporal lobe D. None of the choices are correct.
T-lymphocytes in the thymus gland do not participate in the immune response and are protected from antigens by
A. the blood-thymus barrier. B. the low pH of the thymus gland. C. thymic macrophages. D. trabecular fibers. E. circulating B-lymphocytes.