Which of the following is an active transport mechanism? a. Proton pump b. Ion channel c. Symport d. Osmosis

Question

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Answer 1

Textbook Question

Chapter 37, Problem 1U

Which of the following is an active transport mechanism?

a. Proton pump

b. Ion channel

c. Symport

d. Osmosis

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

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One of the ways for a cell to generate ATP is through the oxidative phosphorylation. In oxidative phosphorylation 3 ATP are produced from every one NADH molecule. In respiration, every glucose molecule produces 10 NADH molecules. If a cell is growing on 5 glucose molecules, how much ATP can be produced using oxidative phosphorylation/aerobic respiration?

Answer 2

Textbook Question

Chapter 37, Problem 1U

Which of the following is an active transport mechanism?

a. Proton pump

b. Ion channel

c. Symport

d. Osmosis

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 37, Problem 1U

Which of the following is an active transport mechanism?

a. Proton pump

b. Ion channel

c. Symport

d. Osmosis

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

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Answer 4

Textbook Question

Chapter 37, Problem 1U

Which of the following is an active transport mechanism?

a. Proton pump

b. Ion channel

c. Symport

d. Osmosis

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.

Conclusion

Active transport mechanism requires the energy produced by the cell for the transport of the molecules against the concentration gradient.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

Active transport mechanism is the transport method that requires energy to move the particles against the concentration gradient.

Answer 12

Answer to Problem 1U

Correct answer:

Proton pump is a type of active transport mechanism that requires energy to transfer proton against the concentration gradient. Therefore, option a. is correct.

Answer 13

Explanation of Solution

Reason for correct statement:

The transfer of the protons from a lower concentration to a higher concentration is done with the help of the energy molecules. The process of utilization of ATP molecules for the transfer of the protons against the concentration gradient is known as proton pump.

Option a. is given as “Proton pump”.

As, “the proton pump is a type of the active transport mechanism that requires energy for the transfer of the protons between the layers,” is the right answer.

Hence, the option a. is correct.

Reasons for the incorrect statements:

Option b. is given as “ion channel”.

The transportation of ions from higher concentration towards lower concentration is done through the help of the ion channels. So, it is a wrong answer.

Option c. is given as “symport”.

The transport of two or more molecules together across the membrane is known as symport. So, it is a wrong answer.

Option d. is given as “osmosis”.

The process in which solvent moves from the semi permeable membrane form lower concentration to higher concentration is known as osmosis. So, it is a wrong answer.

Hence, options b, c, and d are incorrect.