Which of the following is not a benefit of our normal microbiota?
A) competes for space with pathogens
B) neutralizes harmful wastes that pathogens produce
C) makes substances that may directly damage pathogens
D) competes for nutrients with pathogens
E) generates an environment that limits pathogen survival
Answer: B
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Most mutations that affect developmental regulatory genes are ________________.
Fill in the blank(s) with the appropriate word(s).
Based on these crosses, how many different eye color genes are mutant in all of these strains collectively?
A) 1 B) 2 C) 3 D) 4 E) 8
The part of the nervous system that is composed of
two parts that are antagonistic to each other is a. the autonomic nervous system. b. the spinal cord. c. the peripheral nervous system. d. the central nervous system. e. none of these.
Describe "historical exposure" (also known as historical contingency) and how it applies to the human microbiome.
What will be an ideal response?