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Question
Which of the following is NOT true of xylem?a. conducts water up the plant
b. conducts mineral ions up the plant
c. connects with roots
d. connects with leaves
e. transports sugars
Answer
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Related questions
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A __________ is a term given to a macromolecule (large molecule) made up of individual subunits.
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a. energy storage
b. straight or branched chain
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Glucose and fructose
a. form rings with the same number of carbon atoms.
b. both have two oxygen atoms as part of their ring structure.
c. are alike in that both have identical functional groups.
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d. lactose
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Q:
Fructose and glucose are
a. isotopes.
b. monosaccharides.
c. disaccharides.
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Q:
Monosaccharides may be characterized by all EXCEPT which of the following?
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Q:
Although carbon dioxide contains carbon, it is not considered an "organic" compound because
a. it is not found in the earth's crust.
b. it is not present in living cells.
c. the carbon atom is not bonded to at least one hydrogen atom.
d. the carbons are not in chains or rings.
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c. photosynthesis.
d. cell membranes.
e. all of these.
Q:
Isotopes of atoms
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b. behave the same chemically and physically but differ biologically from other isotopes.
c. are the same physically and biologically but differ from other isotopes chemically.
d. have the same number of protons but a different number of neutrons.
e. are produced when atoms lose electrons.
Q:
Which is the smallest unit of an element that retains the properties of the element?
a. atom
b. compound
c. ion
d. molecule
e. mixture
Q:
The ability of a solution to resist changes in pH depends on its ______________.