A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments. Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

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Answer 1

Question

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

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Discuss "the basal lamina of muscle fibers serves as a molecular bulletin board, in which adjoining cells can post messages that direct the differentiation and function of the underlying cells".

Discuss the difference between thick and thin filaments ?

Give typed explanation Put the events of a single cross-bridge cycle in the proper order. Start with Calcium is released from the sarcoplasmic reticulum. a) myosin binds to actin b) ATP binds to myosin, cross-bridge disconnect c) ATP splits into ADP and Pi d) Myosin head re-energized, repositions into high energy state e) Calcium resequestered into sarcoplasmic reticulum f) Cross-bridge power stroke g) Calcium binds to troponin , and actin binding sites are exposed

Answer 2

Question

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

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Answer 3

Question

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

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Answer 4

Question

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

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Answer 5

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

Answer 6

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Answer 7

Chapter 40.3, Problem 1C

Summary Introduction

To sketch: A longitudinal section of a sarcomere in a relaxed state and label the Z lines, thin filaments, and thick filaments.

Introduction: Sarcomere is the smallest unit of a muscle fiber. The filaments of actin and myosin are constitutively known as a sarcomere. Multiple numbers of sarcomere are joined together to form the structure of a muscle. They join together with each other in the end-to-end direction, resulting in the formation of “myofibril”.

Answer 8

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Answer 9

Summary Introduction

To determine: The actin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion

of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps.

Answer 10

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

Answer 11

Summary Introduction

To determine: The myosin filaments in the given figure.

Introduction: Muscles consists of various units which constitutively results in the locomotion of the organism. The functioning of muscles is carried out by the process of muscle contraction, which is a vast process and guided by a number of steps. The skeletal system and muscle tissues act together to produce locomotion in an individual.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 40.1 - Compare the functions of the epithelial coverings...Ch. 40.1 - Prob. 2LO Ch. 40.1 - Prob. 1C Ch. 40.1 - Prob. 2C Ch. 40.1 - Prob. 3C Ch. 40.1 - Prob. 4C Ch. 40.2 - Compare the structure and functions of different...Ch. 40.2 - Describe the main divisions of the vertebrate...Ch. 40.2 - Prob. 5LO Ch. 40.2 - Prob. 6LO

Solution Summary: The author explains that a sarcomere is the smallest unit of muscle fiber.

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