An _______________ cannot survive in the presence of oxygen.

A. Obligate Aerobe
B. Facultative Aerobe
C. Facultative Anaerobe
D. Obligate Anaerobe


Ans: D. Obligate Anaerobe

Biology & Microbiology

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Which of the following steps are crucial for the success of a nucleic acid amplification test, such as PCR?

a. Nucleic acid purification b. Fluorescent resonance energy transfer (FRET) c. Melting temperature analysis d. Nucleic acid sequencing

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The prokaryotic DNA is located in the  

A.  capsid region. B.  nucleoid region. C.  endospore region. D.  peptidoglycan region. E.  pili region.

Biology & Microbiology

How much of the energy harvest during aerobic respiration is dispersed as metabolic heat?

a. 25% b. 10% c. 75% d. 60% e. 55%

Biology & Microbiology

In the garden peas example above, a tall plant with white flowers crossed with a dwarf plant with

purple flowers produces 1/4 tall purple flowers, 1/4 tall white flowers, 1/4 dwarf purple flowers, and 1/4 dwarf white flowers. What is the genotype of the parents? What will be an ideal response?

Biology & Microbiology