The various flower parts are attached to the
a. style.
b. receptacle.
c. stigma.
d. filament.
e. calyx.
B
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The salt gradient created by the kidney tubules ____
a. occurs only in the proximal tubules b. inhibits the reabsorption of water c. draws water out of the ascending arm of the loop of Henle d. occurs only within the kidney cortex e. drives the reabsorption of other solutes and water
The portion of the biosphere that is composed of any
form of water is the a. atmosphere. b. lithosphere. c. geosphere. d. hydrosphere. e. thermosphere.
Which is the only trimester to include both the embryo and fetal stages?
What will be an ideal response?
What is the difference between a coenzyme and a prosthetic group?
A) Coenzymes are essential for an enzyme's function and prosthetic groups only enhance its reaction rate. B) Coenzymes are weakly bound whereas prosthetic groups are strongly bound to their respective enzymes. C) Coenzymes are organic cofactors and prosthetic groups are inorganic cofactors. D) Coenzymes require additional ions to bind to enzymes but prosthetic groups are able to directly interact with enzymes.