QUESTION 9 Which of the following is true about skeletal, smooth and cardiac muscle? OA. They are all striated. B. They all have varicosities. C. They are all multinucleated. O D. They all have actin and myosin. W

Q: The cross bridges of the sarcomere in skeletal muscle are made up of                 A. myelin.…

A: Introduction:-  Muscles are delicate tissue present in most animals . These contain filaments like…

Q: Which of the following is true? A) Tendons join bone to bone B) Tendons join muscle to bone and…

A: Bone tendons and ligaments are a type of dense connective tissues. All these contains large amounts…

Q: Which of the following statements about the connective sheath of skeletal muscle is false? a. the…

A: Muscle system is one of body system  which concerned with the contraction and relaxation of muscle…

Q: Which of these increases the least as a result of muscle hypertrophy?a. number of sarcomeres d.…

A: Muscle hypertrophy means increase in the size and strength of the muscles. This in turn results in…

Q: Which of the following statements about the microscopic structure of smooth muscle fibers is…

A: Muscles have a vital role in the body. Muscles do a lot for our bodies as well. They circulate blood…

Q: Sarcomeres are functional units _____muscle A) Cardiac B) Skeletal C) B and C only D) Smooth

A: To say that the sarcomere is the practical unit implies that every one of the segments required for…

Q: Which of the following is true?   A. Muscle fibers either will contract with all the force…

A: Introduction: Muscles are the soft tissues present in all mammals. The muscle cells comprise protein…

Q: Which characteristic or component is NOT shared by skeletal muscle and cardiac muscle? I. Electrical…

A: There are three types of muscles in the body. Smooth muscles and cardiac muscles are involuntary…

Q: QUESTION 17 What type of muscle would we find as the predominant muscle type in marathon runners?…

A: The objective of the question is to identify the predominant muscle type in marathon runners.

Q: When sarcomeres contract during muscle contraction, which of the following occurs?   A. The myosin…

A: Sarcomeres contract during muscle contraction.

Q: What is special about a muscle cell does it possess any unique qualities or organelles?

A: Muscles are derived from the mesodermal layer of germ cells through myogenesis. Three types of…

Q: What structure on a muscle fiber is composed of largely two varieties of contractile proteins--actin…

A: Muscle fibre is a single muscle cell. These muscles help control our bodily movement.

Q: if, in a laboratory, a skeletal muscle cell receives a single stimulus to contract, it produces a…

A: As per our honor code, we are authorized to answer only one question at a moment. So, we are…

Q: Which of the following is true concerning the role of Calcium in the contraction of muscle- cells?…

A: A muscle is a smooth tissue in animals. On the basis of structure, contractile properties and…

Q: The actual contractile units of muscle, called _____, extend from middle of one _____ to middle of…

A: Muscles are referred to as the soft tissue of the body, contraction, and relaxation of the muscle is…

Q: Muscle contractions where the muscle shortens but tension remains constant are called A. isometric…

A: Muscular system is a type of body system in which regular contraction as well as relaxation leads to…

Q: Which of these is an example of isotonic muscle contraction? O Swinging a bar O Swimming Running a…

A: Basically in an isotonic muscle contraction, tension remains the same throughout the muscle while…

Q: QUESTION 8 How does the nervous system grade the force of muscle contraction? O a. Only by…

A: Introduction: The nervous system is primarily responsible for information transmission via…

Q: Some smooth muscle has the ability to contract spontaneously—that is,it contracts without any…

A: Smooth muscle can be defined as one of the muscle types found in humans which is made up of multiple…

Q: 17. Which of the following properties of the structure of skeletal muscle is not true?   A.…

A: The skeletal muscles or voluntary muscles are attached to bones and are involved in locomotion.

Q: The next time you sit down to a turkey dinner, you may beasked if you prefer the “white meat” or the…

A: Muscle are the organs of the muscular system and it is made up of muscle fibers. There are basically…

Q: Which of the following is a microscopic feature of a skeletal muscle fiber? a. It contains multiple…

A: Skeletal muscle is found tethered to bones. It has fibers with many nuclei. Skeletal muscles are…

Q: The structure (a specialized synapse) that allows neurons to control our skeletal muscle fibers is…

A: Neuromuscular junction