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What kind of muscle tissue has the most mitochondria in it?
Type I muscle fibers
When viewed under a microscope a sample of tissue reveals striations and long thin fibers that contain many nuclei and mitochondria. What type of tissue is most likely being viewed?
The tissue most likely being viewed is skeletal muscle tissue. Skeletal muscle tissue is composed of long and thin fibers called muscle fibers that exhibit striations due to the arrangement of contractile proteins. These muscle fibers contain multiple nuclei and mitochondria to support their high energy demands.
How many mitochondria are there in skeletal muscle?
It depends on the type of skeletal muscle. Slow and fast oxidative fibers (type I and type IIa) may have many mitochondria. Fast glycolytic fibers (type IIx/IIb) have very few mitochondria. This is because in fast glycolytic fibers (type IIx/IIb) ATP can be produced outside of the mitochondrion in the cytosol of the cell due to high concentrations of glycolytic enzymes present in these fibers. In contrast, in oxidative fibers ATP is produced mostly within the mitochondrion, so more mitochondria are needed to to produce large amounts of ATP. Also, the number of mitochondria in these cells can increase with adaptations to exercise conditioning.
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 are type LLB muscle fibers?
Type LLB muscle fibers, also known as type IIb fibers, are fast-twitch muscle fibers that are primarily geared for rapid and powerful movements. They have a high capacity for anaerobic energy production, allowing them to generate quick bursts of strength but fatigue quickly. These fibers are typically found in muscles used for explosive activities, such as sprinting or heavy lifting, and they contain fewer mitochondria and myoglobin compared to slow-twitch fibers.
Are Type II muscle fibers aerobic?
FALSE
What type of muscle fibers used in strength training?
imcomplitory muscle fibers
What type of muscle would have the most mitochondria?
Well this is a pretty simply question for a very complex topic. Mitochondria can vary within a cell type depending on environmental and life history variables. Some cell types have high mitochondria density, but are quite small (sperm) and some have lower mitochondrial density but are much larger (muscle cells). Other cells, like intestinal wall lining for example, also contain a lot of mitochondria.
What type of muscle fibers you need to develop for weight lifting competition?
Mary needs to develop her fast muscle fibers. In order to do this, she will need to have frequent, brief and intensive workouts. She also needs to create muscle hypertrophy which will create an enlargement of the stimulated muscle. She can gain this by repeated and exhaustive stimulation which will create more mitochondria.
Activities such as swimming and running are most likely to stimulate development of what type of muscle fibers?
Slow, fatigue-resistant fibers
What is a fast fiber?
A Fast Oxidative Fiber is a type of muscle fiber with many mitochondria and capillaries. This type has a high myoglobin content. This type of muscle tires more quickly than the slow oxidative fibers and is an intermediate sized muscle. This muscle is good for sprinting and other short, fast-paced activities.
What muscle fibers are best suited for running a marathon?
The muscle fibers best suited for running a marathon are slow-twitch muscle fibers, also known as Type I fibers. These fibers are highly resistant to fatigue and are efficient at using oxygen to generate energy for prolonged, endurance activities. They have a rich supply of blood vessels and mitochondria, enabling sustained aerobic metabolism, which is essential for long-distance running. In contrast, fast-twitch fibers (Type II) are more suited for short bursts of strength and speed.
