Which of the following is physically the largest?

A. HIV
B. RNA molecule
C. E. coli cell
D. Human T cell


Answer: D. Human T cell

Biology & Microbiology

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Insertion sequences are

A. are discrete genetic elements bounded at both ends with inverted repeats. B. normally relatively short (700 to 1,650 bp). C. capable of transposition. D. All of the choices are correct.

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Human papillomavirus infects

a. blood. b. bone tissue. c. mucus membranes. d. brain tissue. e. muscle tissue

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Infections that go unnoticed because there are no symptoms are called ________.

A. syndromes B. asymptomatic C. inflammation D. secondary infections E. malaise

Biology & Microbiology

Which of the following is an exergonic reaction?

a. folding laundry b. synthesizing a protein c. burning wood for a campfire d. building a tower out of blocks

Biology & Microbiology