Which of the following would be least likely to cause DNA damage to an individual suffering from xeroderma pigmentosum?

A) direct sunlight
B) tanning beds
C) incandescent light bulbs
D) reflected sunlight


Answer: C

Biology & Microbiology

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Which of the following amino acids has a nonpolar thioether R group?

A. cysteine B. serine C. tryptophan D. methionine E. None of the choices given is correct.

Biology & Microbiology

Which of the following is the fundamental organizational unit of structure and function in living things?

a. Atoms b. Molecules c. Cells d. Organelles

Biology & Microbiology

Which of the following has the greatest potential to damage hair cells after prolonged exposure?

A) Noisy restaurant B) Two humans talking C) Noise from an urban street D) MP3 player E) A car engine

Biology & Microbiology

Why do inflamed tissues appear red, swollen, and warm?

What will be an ideal response?

Biology & Microbiology