Which of the following tools helps in the visualization of DNA inside a cell?

A. polarized light microscope
B. visible light microscope
C. fluorescent dye
D. Gram staining
E. scanning electron microscope


Answer: C

Biology & Microbiology

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The meiotic error that results in aneuploid cells is

A) crossing over. C) recombination. D) unequal segregation.

Biology & Microbiology

A fat molecule has ____ fatty acids

a. 1 b. 2 c. 3 d. 4 e. 5

Biology & Microbiology

A compound that contains both carbon and hydrogen is ____

a. a salt b. always an acid c. non-biological d. organic e. inorganic

Biology & Microbiology

For a lambda phage in lysogeny, why is a repressor protein required to block the lytic cycle from the beginning?

What will be an ideal response?

Biology & Microbiology