Which of the following microbial groups have members which are considered to be autotrophic?
a. fungi
b. protists
c. prions
d. viruses
e. All of the above
Answer is b. protists (The plant protists are autotrophs as members of diatoms, unicellular prokaryotic algae, etc.)
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Heavy metals are effective antimicrobial agents but are not widely used because of their high toxicity to humans.
Answer the following statement true (T) or false (F)
Which division of the nervous system regulates the activity of smooth muscle, cardiac muscle, and glands?
A. Sympathetic nervous system B. Antagonistic nervous system C. Autonomic nervous system D. Limbic nervous system E. Parasympathetic nervous system
What key enzymes, shared by transposon, retrotransposons, and retroviruses, can be used to demonstrate their shared evolutionary history?
A. reverse transcriptase B. transposases C. envelope proteins D. integrases E. reverse transcriptase, transposases, and integrases
Egg cells are
A) diploid somatic cells. B) haploid somatic cells. C) diploid germ cells. D) haploid germ cells.