The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

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Answer 1

Question

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

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Answer 3

Question

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

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Answer 4

Question

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

Expert Solution & Answer

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Answer 5

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

Answer 6

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

Answer 7

Chapter 4, Problem 10Q

A.

Summary Introduction

To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

Answer 8

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

Answer 9

B.

Summary Introduction

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

Answer 10

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

Answer 11

C.

Summary Introduction

To explain: A β sheet can contain up to five strands, but not more.

Answer 12

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

Answer 13

D.

Summary Introduction

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

Answer 14

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

Answer 15

E.

Summary Introduction

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

Answer 16

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

Answer 17

F.

Summary Introduction

To explain: Allosteric enzymes have two or more binding sites.

Answer 18

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

Answer 19

G.

Summary Introduction

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

Answer 20

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

Answer 21

H.

Summary Introduction

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

Answer 22

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

Answer 23

I.

Summary Introduction

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

Answer 24

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Answer 25

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Answer 26

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Answer 27

Ch. 4 - Prob. 1Q Ch. 4 - Prob. 2Q Ch. 4 - Prob. 3Q Ch. 4 - Prob. 4Q Ch. 4 - Prob. 5Q Ch. 4 - Prob. 6Q Ch. 4 - Prob. 7Q Ch. 4 - Prob. 8Q Ch. 4 - Prob. 9Q Ch. 4 - Prob. 10Q

The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

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To explain: The active site of an enzyme that usually occupies only a small fraction of the enzyme surface.

To explain: Catalysis by some enzymes involves the formation of a covalent bond between an amino acid side chain and a substrate molecule.

To explain: A β sheet can contain up to five strands, but not more.

To explain: The specificity of an antibody molecule is contained exclusively in loops on the surface of the folded light-chain domain.

To explain: The possible linear arrangements of amino acids are so vast that new proteins almost never evolve by alteration of old ones.

To explain: Allosteric enzymes have two or more binding sites.

To explain: Non-covalent bonds are too weak to influence the three-dimensional structure of macromolecules.

To explain: Affinity chromatography separates molecules according to their intrinsic charge.

To explain: Upon centrifugation of a cell homogenate, smaller organelles experience less friction and thereby sediment faster than larger ones.

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Chapter 4 Solutions