Organisms that grow best at pH levels above 10 are called ________ ________.
Fill in the blank(s) with the appropriate word(s).
extreme alkalophiles
Biology & Microbiology
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Water's pH is considered neutral when:
a. hydrogen can be bound. b. hydrogen can be released. c. water is slightly alkaline. d. hydrogen and hydroxide ions are equal in number.
Biology & Microbiology
Bacillus thuringiensis is used
a) to treat sewage. b) in bioremediation. c) as a natural insecticide. d) to recycle vital elements.
Biology & Microbiology
The protein measured in the cells was likely synthesized by
A) mitochondria. B) the nucleolus. C) the smooth endoplasmic reticulum. D) ribosomes.
Biology & Microbiology
Treponema pallidum subspecies pallidum
A. can cross the placenta. B. is transmitted by direct sexual contact. C. is the cause of syphilis. D. has humans as the reservoir. E. All of the choices are correct.
Biology & Microbiology