Of all the plant hormones, which one is a gas?
a. auxin
b. cytokinin
c. gibberellin
d. ethylene
e. abscisic acid
D
Biology & Microbiology
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At the end of gastrulation, what is produced?
a. a blastocyst b. germ layers c. solid balls of cells d. a neural tube e. apoptosis
Biology & Microbiology
The contractile unit of a skeletal muscle fiber is a(n) ____
a. myofibril b. sarcomere c. myosin filament d. actin filament e. Z line
Biology & Microbiology
List five general categories of mutation
What will be an ideal response?
Biology & Microbiology
Identify and briefly explain the four premises of evolution by natural selection, as proposed by Charles Darwin. What will be an ideal response?
Biology & Microbiology