Muscle Contraction and Structure Flashcard

Muscle Contraction and Structure Flashcard

Assessment

Flashcard

Other

12th Grade

Hard

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3 questions

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1.

FLASHCARD QUESTION

Front

What happens first in muscle contraction?

Back

Delivery of an action potential at the neuromuscular junction

2.

FLASHCARD QUESTION

Front

A cross-bridge forms when which two specific components meet? Actin & troponin, Myosin & ATP, Myosin heads & myosin binding sites, Calcium ions & troponin

Back

Myosin heads & myosin binding sites

3.

FLASHCARD QUESTION

Front

A cross-bridge can only form when which two substances are present?

Back

ATP and calcium ions