A(n) ________ can be defined as a substance that prevents the pH of a solution from changing by either releasing or absorbing H+ in a solution.
a. equalizer
b. solute
c. buffer
d. acid
e. base
Answer: c. buffer
Biology & Microbiology
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Chitin, a modified form of cellulose, is not only cross-linked with proteins but its glucose units are modified with atoms of:
A. nitrogen. B. hydrogen. C. oxygen. D. sulfur. E. phosphorous.
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Glucose is a(n):
a. octahedral carbon base. b. six carbon sugar. c. heptahedral sugar. d. five carbon sugar. e. strong polar ion.
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What problem does this result in?
What will be an ideal response?
Biology & Microbiology
Briefly discuss physiological mechanisms that regulate body temperature in endotherms. What will be an ideal response?
Biology & Microbiology