WebApr 6, 2024 · These fibers are singular protein dense cells which contain many nuclei, mitochondria and endoplasmic reticulum. Each fiber is surrounded by a plasma membrane called the sarcolemma, and inside this sits the sarcoplasm, a gelatin-like substance which separates myofibrils and helps maintain the shape of the cell. WebJul 7, 2024 · Do fast fibers have many mitochondria? Fast fibers have many mitochondria. Fast fibers have a small diameter. Fast fibers have large glycogen reserves. Do humans have myoglobin? Myoglobin is found in your heart and skeletal muscles. There it captures oxygen that muscle cells use for energy.
Solved Fast fibers A. have low resistance to fatigue. B.
WebFast fibers have many mitochondria. Which of the following statements is false? 1. Slow fibers have a small network of capillaries. 2. Slow fibers contain the pigment myoglobin. 3. Slow fibers contain a large number of mitochondria.4. Slow fibers contract for extended periods. 1 . Slow fibers have a small network of capillaries . WebType 1 (“slow twitch”) fibers contain more mitochondria, which means they can produce more energy and are better for long, aerobic activities. Type 2 (“fast twitch”) fibers, on the other hand, are suited for short, fast bursts … mini countryman phev reviews
Solved 16. Which term describes a bundle of axons in - Chegg
WebFast fibers have many mitochondria Which of the following statements is true?a. Fast fibers have a small diameter.b. Fast fibers contain loosely packed myofibrils.c. Fast fibers have large glycogen reserves.d. Fast fibers have many mitochondria Question Which of the following statements is true? a. Fast fibers have a small diameter. b. WebMuscle fibers that have a large number of mitochondria, contain large amounts of myoglobin, and exhibit low rates of ATPase activity are called _____… 00:32 Slow fibers … WebJan 14, 2024 · Fast twitch muscles have very few blood vessels and mitochondria (unlike slow twitch muscles) because they don’t need to fuel quick, intense activities. This is because fast twitch muscles... most marketable athletes in the world