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There are three sources that supply ATP for muscle metabolism -
1. Creatinine phosphate
2. Glycogen
3. Cellular respiration in the mitochondria of fibers
Creatinine phosphate is the main source of ATP for muscle metabolism.
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∙ 10y ago
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Do skeletal muscle fibers contain sarcomeres whereas smooth muscle fibers do not?
true
Skeletal muscle fibers differ from typical cells in that these muscle fibers?
Skeletal muscle fibers differ from typical cells in that these muscle fibers have many nuclei. The skeletal muscle store calcium ions in the sarcoplasmic reticulum.
Why are skeletal muscle fibers unusual?
The skeletal muscle, or striated muscle, is the muscle attached to the skeleton. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons. The contraction of skeletal muscle is under voluntary control.
Cardiac muscle fibers electrically connect to neighboring fibers by?
Gap Junctions
When a single neuron sends a strong enough impulse to a muscle that how many muscle fibers does it cause to contract?
This will depend upon the number of muscle fibers the nerve innervates. However, all fibers innervated by the nerve should contract in response to the neuronal impulse.
What type of muscle is rich in ATP?
Muscle fibers are rich in ATP. All muscle fiber types are rich in ATP (having many mitochondria).
Does glycerinated skeletal muscle fibers nee ATP in order to contract?
no, they need ATP
Can cardiac muscle fibers use lactic acid to make ATP?
True
Does glycerinated skeletal muscle fibers need ATP in order to contract?
true
What energy sources for the contraction of muscle cells?
ATP
What are the four possible energy sources for a muscle and the three sources of ATP for muscle contraction?
Creatine phosphate, oxidative phosphorylation, and glycolysis.
Slow-twitch muscle fibers have many mitochondria and produce ATP using?
aerobic respiration
How long can anaerobic respiration sustain maximum muscle activity?
Skeletal muscle fibers can get ATP from 3 sources: -Phosphagen system (a few seconds) -Anaerobic fermentation (less than 2 minutes) -Aerobic respiration (indefinite)
Which groups of words are energy sources for muscles?
Creatine phosphate and ATP are both sources of energy for the muscles. Creatine phosphate is found in vertebrate muscle, while ATP can be found anywhere within the cell.
What are the energy sources for muscle contraction to occur?
Energy is supplied to muscles for contraction by means of adenosine triphosphate being stored in muscle fibers. These are stored from creatine phosphate, enough to power muscle contractions for a few seconds.
What type of muscle fibers are there?
You have three types of muscle fibers. 1) Skeletal muscle fibers. 2) Cardiac muscle fibers. 3) Smooth muscle fibers.
What types of fibers are there?
You have three types of muscle fibers. 1) Skeletal muscle fibers. 2) Cardiac muscle fibers. 3) Smooth muscle fibers.
