The term phospholipid can best be described by which of the following? a) a polar lipid molecule that fully interacts with water b) a polar lipid molecule that fully repels water c) a nonpolar lipid molecule that is made amphipathic by the addition of a phosphate d) a nonpolar lipid molecule that is made polar by the addition of a phosphate

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The term phospholipid can best be described by which of the following?
a) a polar lipid molecule that fully interacts with water
b) a polar lipid molecule that fully repels water
c) a nonpolar lipid molecule that is made amphipathic by the addition of a
phosphate
d) a nonpolar lipid molecule that is made polar by the addition of a phosphate
Transcribed Image Text:The term phospholipid can best be described by which of the following? a) a polar lipid molecule that fully interacts with water b) a polar lipid molecule that fully repels water c) a nonpolar lipid molecule that is made amphipathic by the addition of a phosphate d) a nonpolar lipid molecule that is made polar by the addition of a phosphate
You have isolated a previously unstudied protein, identified its complete structure in
detail, and determined that it catalyzes the breakdown of a large substrate. You
notice it has two binding sites. One of these is large, apparently the bonding site for
the large substrate; the other is small, possibly a binding site for a regulatory
molecule. What do these findings tell you about the mechanism of this protein?
a) It is probably an enzyme that works through competitive inhibition
b) It is probably a structural protein found in cartilage or skeletal tissue
c) It is probably a structural protein that is involved in cell-to-cell adhesion
d) It is probably an enzyme that works through allosteric regulation
e) It is probably a cell membrane transport protein, like an ion channel
Transcribed Image Text:You have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. You notice it has two binding sites. One of these is large, apparently the bonding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule. What do these findings tell you about the mechanism of this protein? a) It is probably an enzyme that works through competitive inhibition b) It is probably a structural protein found in cartilage or skeletal tissue c) It is probably a structural protein that is involved in cell-to-cell adhesion d) It is probably an enzyme that works through allosteric regulation e) It is probably a cell membrane transport protein, like an ion channel
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