During PCR, the enzyme DNA ligase is added to the mixture to promote the addition of nucleotides to the growing DNA chain

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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Many prokaryotes can switch between using aerobic respiration and fermentation depending on oxygen availability; these organisms are termed which of the following?

a. obligate anaerobes b. facultative anaerobes c. necessary anaerobes d. facultative aerobes

Biology & Microbiology

Which organisms replicate cells by mitosis?

a. animals and bacteria b. animals and plants c. bacteria and plants d. archaea and bacteria e. archaea and plants

Biology & Microbiology

Which of the following blood cells fights infections?

A) Red blood cells B) Platelets C) White blood cells D) Hemoglobin

Biology & Microbiology

Crosscurrent flow is more efficient than countercurrent flow of air.

Answer the following statement true (T) or false (F)

Biology & Microbiology