For an autosomal gene locus, there are ____ possible genotypes and ____ possible alleles
a. two; three
b. two; four
c. three; two
d. three; four
e. four; three
ANSWER: c
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The principal mode of transmission of rabies is through
A. blood. B. fomites. C. saliva. D. pus.
The first plants were _____
a. ferns c. bryophytes b. flowering plants d. conifers
Which of the following is an example of gene regulation at the posttranslational level?
A. Initiation of protein synthesis B. Alteration of protein structure C. Early termination of an mRNA transcript D. Prevention of RNA synthesis
Receptors may be classified in different ways according to their activation and signalling mechanism. Select from the following the general types of receptor classifications. There may be more than one correct answer.
A. Ion channel-coupled receptor B. Insulin receptor C. Enzyme-coupled receptor D. Glucagon receptor E. G-Protein coupled receptor F. Receptor mediated endocytosis receptor