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Biology, 10.03.2020 00:22 angellll4455

Is actually for anatomy involving muscles. multiple questions

1. what part of the sarcomere is reponsible for providing the ATP?
a) actin
b) mitochondria
c) myosin

2. what actually shortens when a muscle fiber contracts?
a) actin filaments
b) myosin filaments
c) sarcomeres

3. the protein of the skeletal muscle involving ATPase (the breakdown of ATP) is
a) myosin
b) tropmyosin
c) actin

4. which grouping of muscle constituents are listed correctly in descending order of size?
a) fasciculus, muscle fiber, myofibril, actin-myosin, myofilament
b) muscle fiber, fasciculus, myofibril, myofilament
c) fasciculus, muscle fiber, myofibril, myofilament, actin-myosin

5. a group of skeletal muscle fibers is called a/an
a) perimysium
b) fascicle
c) epimysium

if you could answer any or all of these it would be greatly appreciated.

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Answers: 3

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Is actually for anatomy involving muscles. multiple questions

1. what part of the sarcome...
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