To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

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Answer 1

Question

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

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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 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Expert Solution & Answer

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See solution

Answer 5

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Answer 6

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

Answer 7

Chapter 17, Problem 11Q

A.

Summary Introduction

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

Answer 8

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

Answer 9

B.

Summary Introduction

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

Answer 10

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

Answer 11

C.

Summary Introduction

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

Answer 12

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

Answer 13

D.

Summary Introduction

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

Answer 14

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

Answer 15

E.

Summary Introduction

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

Answer 16

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

Answer 17

F.

Summary Introduction

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

Answer 18

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

Answer 19

G.

Summary Introduction

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

Answer 20

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Answer 21

H.

Summary Introduction

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Answer 22

Expert Solution & Answer

Answer 23

Expert Solution & Answer

Answer 24

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Answer 25

Ch. 17 - Prob. 1Q Ch. 17 - Prob. 2Q Ch. 17 - Prob. 3Q Ch. 17 - Prob. 4Q Ch. 17 - Prob. 5Q Ch. 17 - Prob. 6Q Ch. 17 - Prob. 7Q Ch. 17 - Prob. 8Q Ch. 17 - Prob. 9Q Ch. 17 - Prob. 10Q

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

Concept explainers

Videos

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.

Want to see the full answer?

Chapter 17 Solutions

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

Concept explainers

Videos

To examine: Whether the statement “Kinesin moves endoplasmic reticulum membranes along microtubules so that the network of ER tubules becomes stretched throughout the cell” is correct or incorrect.

To examine: Whether the statement “Without actin, cells can form a functional mitotic spindle and pull their chromosomes apart but cannot divide” is correct or incorrect.

To examine: Whether the statement “Lamellipodia and filopodia are “feelers” that a cell extends to find anchor points on the substratum that it will then crawl over” is correct or incorrect.

To examine: Whether the statement “GTP is hydrolyzed by tubulin to cause the bending of flagella”is correct or incorrect.

To examine: Whether the statement “Cells having an intermediate-filament network that cannot be depolymerized would die” is correct or incorrect.

To examine: Whether the statement “Theplus ends of microtubules grow faster because they have a larger GTP cap”is correct or incorrect.

To examine: Whether the statement “The transverse tubules in muscle cells are an extension of the plasma membrane, with which they are continuous; similarly, the sarcoplasmic reticulum is an extension of the endoplasmic reticulum” is correct or incorrect.

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca2+) binding to troponin in others” is correct or incorrect.

Want to see the full answer?

Chapter 17 Solutions

To examine: Whether the statement “Activation of myosin movement on actin filaments is triggered by the phosphorylation of troponin in some situations and by calcium ion (Ca²⁺) binding to troponin in others” is correct or incorrect.