The main form in which sugars are transported in the phloem sap is
a. glucose.
b. lactose.
c. starch.
d. sucrose.
e. fructose.
D
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate. B) spreads from a common source and could be controlled with adequate clean water and waste sanitation measures. C) is spread through direct contact and has only a human reservoir. D) has recently emerged due to overcrowding in urban centers.
Which of the following structures or molecular machines is important for protein degradation in eukaryotes?
A. cytoskeleton B. flagellum C. ribosome D. ATP synthase E. proteasome
Nutrients and antibodies move across the placenta from mother to embryo or fetus, as do __________, which can
cause birth defects. Fill in the blank(s) with the appropriate word(s).
chronic constipation can lead to enlarged and inflamed blood vessels of the anus known as
What will be an ideal response?