A yeast cell divides in culture about every
a. 20 minutes.
b. 2 hours.
c. 12 hours.
d. 24 hours.
Ans: b. 2 hours.
Biology & Microbiology
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A tautomer is
A) a mutagen. B) an RNA base. C) an alternate structure of a molecule. D) the type of bond that holds DNA bases together.
Biology & Microbiology
What are the two most important variables for cells to survive?
a. Temperature and pH b. Temperature and solute concentration c. Solute concentration and nutrient levels d. Solute concentration and pH e. Temperature and nutrient levels
Biology & Microbiology
A/the ____ detects a stimulus and sends this information to the nervous system
a. gland b. muscle
c. brain stem d. sensory receptor e. hypothalamus
Biology & Microbiology
The four classic signs and symptoms of inflammation include all of the following except ________.
A. warmth B. chills C. swelling D. pain E. redness
Biology & Microbiology