Archaea have very diverse environmental requirements and tolerances. From what you have learned about them, which among the following conditions or substances do ALL archaeans require for survival and reproduction?
A. oxygen
B. carbon
C. moderate pH
D. moderate temperature
E. moderate salinity
B. carbon
Biology & Microbiology
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Nongonococcal urethritis may be caused by the protozoan ________
A) Chlamydia trachomatis B) Neisseria gonorrhoaea C) Haemophilus ducreyi D) Trichomonas vaginalis
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Endophytes grow within plants
What will be an ideal response?
Biology & Microbiology
Which of the following statements regarding matter is false?
A) All life is composed of matter. B) All matter has mass. C) All matter is composed of elements. D) All matter exists in the form of compounds.
Biology & Microbiology
The synthetic molecule used in CRISPR gene editing is
a. synthetic guide RNA (sgRNA). b. Cas9. c. protospacer adjacent motif (PAM). d. Cys4.
Biology & Microbiology