What part of a tooth often thins from years of brushing, teeth grinding, and eating acidic foods?
Answer: Enamel.
Biology & Microbiology
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Which hormone promotes cell division and delays senescence in plants?
a. abscisic acid b. auxin c. cytokinin d. ethylene e. gibberellin
Biology & Microbiology
Barr bodies are associated with ________
A) signal transduction B) X chromosome inactivation C) frameshift mutations D) proto-oncogenes
Biology & Microbiology
Two weed species live in the same patch of ground. One has deep roots to tap into ground water. The other has broad, shallow roots to take advantage of the frequent light rains that do not penetrate very deeply into the soil
This is an example of ________. Fill in the blank(s) with correct word
Biology & Microbiology
Blood usually continues on from arterioles to ____ in its travel through the human body.
A. other arterioles B. venules C. arteries D. veins E. capillaries
Biology & Microbiology