What are the three domains of life?

a. animals, plants, and microorganisms
b. Archaebacteria, Eubacteria, and Eukaryota
c. Prokaryota, Eukaryota, and Protoctista
d. Archaea, Bacteria, and Eukarya


Ans: d. Archaea, Bacteria, and Eukarya

Biology & Microbiology

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Describe what occurs when elemental sulfur is provided externally as an electron donor and how energy is obtained

What will be an ideal response?

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The most common phenotype or allele for a gene in a population is referred to as the

A. F1 generation. B. P generation. C. wild-type. D. dominant population. E. recessive population.

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Of the 170,000 new cases of lung cancer diagnosed in the United States each year, greater than 90% of these patients are current smokers or former smokers

Indicate whether the statement is true or false

Biology & Microbiology

Which cellular shape is seen among members of domain Bacteria that is not found among the domain Archaea?

A. Bacilli B. Spiral or corkscrew shapes C. Comma-shaped D. Cocci

Biology & Microbiology