Which of these microorganisms is MOST likely to be found in the human gut?
A) Helicobacter pylori
B) Streptococcus sobrinus
C) Streptococcus mutans
D) Roseobacter denitrificans
Answer: A
Biology & Microbiology
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Migration reduces genetic differences between populations due to gene ____ between the two
Fill in the blank with the appropriate word.
Biology & Microbiology
Which of the following is generally more complex than the others?
A. Archaea B. Bacteria C. Prokarya D. Eukarya E. microorganisms
Biology & Microbiology
Genetic divergences may ultimately lead to
a. new variations. b. new species. c. new gene frequencies. d. new competition. e. new alleles
Biology & Microbiology
Which of the following neurotransmitters prepares the body to respond to stress or excitement?
a. acetylcholine b. dopamine c. epinephrine d. serotonin e. endorphins
Biology & Microbiology