Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 33, Problem 20RQ
The type of muscle cell under voluntary control is the.
- smooth muscle
- skeletal muscle
- cardiac muscle
- visceral muscle
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Students have asked these similar questions
Cardiac muscle is different from smooth muscle in that cardiac muscle is:
acted on by the autonomic nervous system
often interconnected by gap junctions
under involuntary control
O arranged in sarcomeres
Which of the following muscle types and characteristic is correctly matched?
Smooth muscle : Ca-calmodulin regulation of myosin light chain kinase
Cardiac muscle : calcium only from the sarcoplasmic reticulum
Cardiac muscle : dense body anchoring proteins
Skeletal muscle : varicosity at neuromuscular junctions
Which of the following statements regarding skeletal muscle is NOT true?
Skeletal muscle is responsible for overall body motility.
Skeletal muscle can contract rapidly and can maintain the contraction for long periods of activity
.Skeletal muscle can exert tremendous power.
Skeletal muscle is called voluntary muscle because it is the only type subject to conscious control.
Chapter 33 Solutions
Biology 2e
Ch. 33 - Figure 33.11 Which of the following statements...Ch. 33 - Figure 33.21 State whether each of the following...Ch. 33 - Figure 33.23 When bacteria are destroyed by...Ch. 33 - Which type of animal maintains a constant internal...Ch. 33 - The symmetry found in animals that move swiftly is...Ch. 33 - What term describes the condition of a desert...Ch. 33 - A plane that divides an animal into equal right...Ch. 33 - A plane that divides an animal into dorsal and...Ch. 33 - The pleural cavity is a part of which cavity?...Ch. 33 - How could the increasing global temperature...
Ch. 33 - Although most animals are bilaterally symmetrical,...Ch. 33 - Which type of epithelial cell is best adapted to...Ch. 33 - Which type of epithelial cell is found in glands?...Ch. 33 - Which type of epithelial cell is found in the...Ch. 33 - Which type of connective tissue has the most...Ch. 33 - Which type of connective tissue has a mineralized...Ch. 33 - The cell found in bone that breaks it down is...Ch. 33 - The cell found in bone that makes the bone is...Ch. 33 - Plasma is the. fibers in blood matrix of blood...Ch. 33 - The type of muscle cell under voluntary control is...Ch. 33 - The part of a neuron that contains the nucleus is...Ch. 33 - Why are intercalated discs essential to the...Ch. 33 - When faced with a sudden drop in environmental...Ch. 33 - Which is an example of negative feedback? lowering...Ch. 33 - Which method of heat exchange occurs during direct...Ch. 33 - The body’s thermostat is located in the...Ch. 33 - Which of the following is not true about...Ch. 33 - Which of the following is not a way that...Ch. 33 - How does diffusion limit the size of an organism?...Ch. 33 - What is the relationship between BMR and body...Ch. 33 - Explain how using an open circulatory system...Ch. 33 - Describe one key environmental constraint for...Ch. 33 - How can squamous epithelia both facilitate...Ch. 33 - What are the similarities between cartilage and...Ch. 33 - Multiple sclerosis is a debilitating autoimmune...Ch. 33 - When a person leads a sedentary life his skeletal...Ch. 33 - Why are negative feedback loops used to control...Ch. 33 - Why is a fever a “good thing” during a bacterial...Ch. 33 - How is a condition such as diabetes a good example...Ch. 33 - On a molecular level, how can endotherms produce...
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- Which component is responsible for initially stimulating a muscle contraction? a. proteins b. electrochemical signals c. plasma membranes d. striationsarrow_forwardDepolarization of the sarcolemma means ________. the inside of the membrane has become Less negative as sodium ions accumulate the outside of the membrane has become less negative as sodium ions accumulate the inside of the membrane has become more negative as sodium ions accumulate the sarcolemma has completely lost any electrical chargearrow_forwardNerve impulses first stimulate a skeletal muscle fiber at _______. a. T tubules b. sarcomeres c. neuromuscular junctions d. actin binding sitesarrow_forward
- Figure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardThe _____ is the basic unit of muscle contraction. a. myofibril b. sarcomere c. muscle fiber d. myosin filamentarrow_forwardThe epimysium, perimysium, and endomysium are made up of . tissue. nerve connective epithelial muscle Titin molecules are found in the, of a muscle fiber. myosin actin elastic filaments nucleiarrow_forward
- Label the connective tissues of a musclearrow_forwardMatch the muscle type to its main characteristics Smooth muscle Cardiac muscle Skeletal muscle Previous Responsible for involuntary movements; does not contain sarcomeres (is unstriated). Responsible for voluntary movements; contains sarcomeres (is striated). Responsible for involuntary movements; contains sarcomeres (is striated). TVALarrow_forwardWhat allows cardiac muscle and smooth muscle to be excited and contract nearly simultaneously? ganglia intermediate fibers cross bridges motor and plates Gap junctionsarrow_forward
- Which type of muscle fiber uses large amounts of oxygen and has rich supplies of myoglobin? slow oxidative fast oxidative glycolytic fast glycolytic O eccentricarrow_forwardLawrence Cherono from Kenya won the 2011 Boston Marathon. He probably has a predominance of in the muscle of his legs. fast twitch fibers fat intermediate twitch fibers slow twitch fibersarrow_forwardWhich of the following are aspects of the structure of skeletal muscle? Select all that apply. The muscle fibers are parallel to one another and have a striated appearance. They have more mitochondria than other types of muscle cells. Each fiber contains many units of contraction and protein filaments. Cells are branched or unbranched with single nuclei. It consists of cylindrical cells called muscle fibers that have multiple nuclei.arrow_forward
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