Which of the following components are found in the cell walls of gram-positive bacteria, but not gram-negative bacteria?
A. Cytoplasmic membrane
B. Lipopolysaccharide
C. Outer membrane
D. Peptidoglycan
E. Teichoic acid
Ans: E. Teichoic acid
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The site where the two original DNA strands separate and active replication occurs is called the
A. replication fork. B. replisome. C. primosome. D. lagging strand. E. sliding clamp subunit.
A more recently developed cancer treatment is
A) stimulating telomerase activity. B) stimulating cells to return to a stem-like state of specialization. C) inhibiting kinases based on genetic information. D) replacing the nuclei in cancer cells.
Mechanisms that prevent interbreeding between two different species whose ranges overlap are
referred to as: a. sympatric isolating mechanisms. b. equilibrium isolating mechanisms. c. reproductive isolating mechanisms. d. allopatric isolating mechanisms. e. preadaptive isolating mechanisms
A tumor located in the primary somatosensory area would impact which of the following functions?
A. the ability to smell B. the ability to feel a rough object C. the ability to determine images D. the ability to swallow E. all of these