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Muscles Blank______.Multiple choice question.use ATP only under oxidative conditionsuse hemoglobin to store oxygenare structurally similar throughout the bodyare composed of slow and fast fibers

Question

Muscles Blank______.Multiple choice question.use ATP only under oxidative conditionsuse hemoglobin to store oxygenare structurally similar throughout the bodyare composed of slow and fast fibers

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Solution

The correct answer is: "are composed of slow and fast fibers".

Here's why:

  1. "Use ATP only under oxidative conditions" - This is incorrect. Muscles use ATP under both aerobic (oxidative) and anaerobic conditions.

  2. "Use hemoglobin to store oxygen" - This is incorrect. Muscles use myoglobin, not hemoglobin, to store oxygen.

  3. "Are structurally similar throughout the body" - This is incorrect. Different types of muscles (skeletal, cardiac, smooth) have different structures.

  4. "Are composed of slow and fast fibers" - This is correct. Skeletal muscles are composed of both slow-twitch (type I) and fast-twitch (type II) fibers.

This problem has been solved

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Which of the following statements concerning slow-twitch oxidative muscle fibers is false?Multiple ChoiceThey split ATP slowly.They have large deposits of myoglobin.They have low glycogen stores.They have a well-developed blood supply.They are well adapted to anaerobic activity.

A skeletal muscle fiber is Blank______ a skeletal muscle cell.Multiple choice question.the same asdifferent from

Select all that applySlow twitch or Type I muscle fibers Blank______. Multiple select question.respond rapidly to nervous stimulationhave high aerobic capacity but low anaerobic capacityhave a fast form of myosin ATPase, which allows them to break down ATP more rapidly than other muscle fiber typeshave the highest resistance to muscle fatiguehave well developed blood supplies

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