In the image above, the substance indicated as
"B" is a(n)
a. inhibitor.
b. activator.
c. substrate.
d. coenzyme.
e. cofactor
C
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Glial cells perform all of the following functions EXCEPT ____
a. nourish neurons b. control the concentrations of electrolytes c. protect and support neurons d. produce action potentials e. insulate axons
Polygenic inheritance depends on gene products from multiple genes
Indicate whether the statement is true or false
Vines use ____ to stay attached to support structures
a. spines b. bracts c. tendrils
d. needles e. bulbs
Birds follow a herd of water buffalo to catch insects that are disturbed as the large herbivores walk through the grass. When large predators are near, the birds fly into the air and make warning calls. Who are the birds warning?
A) Other birds, who also catch insects stirred up by the water buffalo B) The water buffalo, so they can avoid attack C) Their competitors D) The predators, so they know their prey, the water buffalo, is near E) The water buffalo's prey, because they need to escape