All of the following are challenges in gene therapy EXCEPT ________

A) designing a strategy B) unknown cell types
C) unknown specific mutations D) inaccessible tissues


Answer: A

Biology & Microbiology

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Which phenotypic assay could be used to determine whether a new Streptococcus sp. is of the pyogenes or viridans group?

A) catalase assay with H2O2 B) hemolytic type after growth on a blood agar plate C) occurrence of cells being in clusters or as individual cells under a microscope D) product(s) formed during lactose fermentation

Biology & Microbiology

The portion of the nervous system that is responsible for increasing heart rate, as well as increasing

movement of the intestines, is the

a. autonomic nervous system. b. sympathetic division. c. parasympathetic division. d. somatic nervous system. e. interaction between the somatic and autonomic nervous system.

Biology & Microbiology

Which of the following is considered a keystone predator?

A) mussels B) starfish C) kelp bed D) kelp bass

Biology & Microbiology

Refer to the accompanying figure. The average weight of a female guppy in the experimental group is:

a. 70 g. b. 80 mg. c. 170 mg. d. 180 g. e. 190 mg.

Biology & Microbiology