Answer the question using the accompanying figure. In the diagram of a root tip, the structure labeled "3" is the ____
a. quiescent center
b. zone of cell division
c. zone of elongation
d. root cap
e. zone of maturation
ANSWER: d
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If all of the variation in a trait in the population is due to differing genotypes, then the mean phenotype of the offspring would be identical to the parental mean
A. true B. false
A rapid, powerful movement of short duration that could not be sustained very long would likely involve mainly ____
a. fast anaerobic fibers b. fast aerobic and fast anaerobic muscle fibers c. slow muscle fibers and fast aerobic muscle fibers d. slow muscle fibers e. fast aerobic fibers
Thymine dimers are caused by
A) X-rays. B) active oxygen species. C) a mutagen such as ethylmethane sulfonate (EMS). D) depurination. E) UV light.
Compare and contrast facilitated and active transport
What will be an ideal response?