An average person has about ________ neurons.
A. 1 trillion
B. 1 billion
C. 2 million
D. 100,000
Answer: A
Biology & Microbiology
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Where do the carbon atoms in glucose come from?
A. Sunlight B. Carbon dioxide C. Water D. NADPH
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In June 2013, the U.S. Supreme Court ruled that if a gene is removed from the human body and purified it can be patented
a. True b. False Indicate whether the statement is true or false
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The plant hormone that promotes dormancy in some plants and seeds is ____
a. abscisic acid b. auxin c. gibberellin d. ethylene e. cytokinin
Biology & Microbiology
The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the:
a.mesoderm. b. middle lamella. c. mesophyte. d. bundle sheath. e. mesophyll.
Biology & Microbiology