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Question
Which of the following is not a benefit of trees?a. they produce oxygen.
b. they absorb carbon dioxide.
c. they prevent erosion.
d. they prevent flooding.
e. all of these are a benefit of trees.
Answer
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Related questions
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Explain why vigorous exercise in warm weather could be hazardous to your enzymes?
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What property of phospholipids allows them to form cell membranes?
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A __________ is a term given to a macromolecule (large molecule) made up of individual subunits.
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The following are basic building blocks of biopolymers. Match the building blocks with the statements below.a. amino acidb. glucosec. glycerold. fatty acide. nucleotideThe basic unit of RNA
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Amino acids are linked by what kind of bonds to form the primary structure of a protein?
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In the figure above, the honeycomb on which the bee is standing is made up primarily of which of the following:
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Which of the following does NOT describe some aspect of polysaccharides?
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b. straight or branched chain
c. glucose subunits
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Q:
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.
d. contain the same number of hydrogen atoms and hydroxyl groups.
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Oligosaccharides include
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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?
a. a ketone group
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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.
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c. photosynthesis.
d. cell membranes.
e. all of these.
Q:
Isotopes of atoms
a. are electrically unbalanced.
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 ______________.