A codon consists of __________ bases and specifies which __________ will be inserted into the polypeptide chain. View Available Hint(s)
a. three ... amino acid
b. four ... amino acid
c. two ... nucleotide
d. three ... nucleotide
e. four ... fatty acid
Answer: a. three ... amino acid
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Mendel's observation of the segregation of alleles in gamete formation has its basis in which of the following phases of cell division?
A) prophase I of meiosis B) anaphase II of meiosis C) metaphase II of meiosis D) anaphase I of meiosis E) anaphase of mitosis
In a eukaryote, DNA polymerase can add up to
a. 1,000 nucleotides per second. b. 500 nucleotides per second. c. 50 nucleotides per second. d. 10 nucleotides per second. e. one billion nucleotides per minute.
What has a rich supply of nerve endings?
A. Clitoris B. Smegma C. Hymen D. Ovum
Please match the virulence factor of Streptococcus pyogenes to its description.
M protein A) Surface antigen that serves as the basis for alphabetical grouping; protects bacterium from lysozyme B) Toxin that causes beta-hemolysis on blood agar and injures cells of the host C) Enzyme that plays a role in invasion by leading to the digestion of fibrin clots D) Projecting surface antigen that facilitates adherence and resists phagocytosis E) Chemical surface layer that prevents an immune response by the host F) Enzyme that promotes invasion into tissues by breaking down the binding substance in connective tissues