If a mitotic poison is administered to the cells of the apical meristem, this substance would
freeze all the cells at the metaphase portion of mitosis. What would you then expect to
happen?
a. Accelerated growth would occur.
b. No growth would occur.
c. There would be no change in the growth rate.
d. The growth rate would depend on environmental conditions
B
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Archaea is divided into three phyla
Indicate whether the statement is true or false.
The folding of tissue around the neural plate and notochord is known as ____
a. gastrulation b. apoptosis c. adhesion d. neurulation e. embryogenesis
Assume you are growing bacteria on a lipid medium that started at pH 7. The action of bacterial lipases should cause the pH of the medium to
A) increase. B) decrease. C) stay the same.
Cladograms are especially useful because they can indicate both the order and the timing of evolutionary events.
a. true b. false