HUMAN BIOLOGY LAB SPRING 2023  CUSTOM
HUMAN BIOLOGY LAB SPRING 2023 CUSTOM
16th Edition
ISBN: 9781307853087
Author: Mader
Publisher: MCG
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Chapter 13, Problem 1A
Summary Introduction

Introduction:

Muscles are an essential part of the body as they help the body in movement and generation of energy. The system involving the muscles is called the muscular system. It allows the movement of the muscle by contraction or relaxation. The three types of the muscles are the skeletal muscles, the smooth muscle and the cardiac muscles.

Expert Solution & Answer
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Answer to Problem 1A

Correct answer: As the skeletal muscles contain striated cells with multiple nuclei. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

The skeletal muscle cells consist of the striated cells with multiple nuclei.

Option (c) is given as “skeletal”.

As “the sample containing striated cells with multiple nuclei in each cell is the sample of the skeletal cell”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “cardiac”.
The cardiac muscles are composed of the uninucleated cells and are tubular and striated. So, it is a wrong answer.

Option (b) is given as “smooth”.
Smooth muscle cells are uninucleated cells with spindle shaped striated fibers. So, it is a wrong answer

Option (d) is given as “both b and c are correct”.
Both b and c are not correct because b is smooth muscle cells and they have uninucleated cells. So, it is a wrong answer

Hence, options (a), (b), and (d) are incorrect.

Conclusion

The sample containing striated cells with multiple nuclei in each cell of the skeletal cell.

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