8.  What tunnel shaped part of the skeletal muscle cell carr…

8.  What tunnel shaped part of the skeletal muscle cell carries action potentials (nerve impulses)      from the cell  membrane, to the sarcoplasmic reticulum? a.    sarcoplasmab.    sarcolemmac.    sarcomered.    t-tubules or transverse tubulese.    myoneural junction

9.  Based on the choices below, what is the correct order of…

9.  Based on the choices below, what is the correct order of events that occurs in muscle      contraction? a.    pivoting heads, ATP caused detachment, relaxation, attachment cross bridgingb.    ATP caused detachment, pivoting heads, attachment cross bridging, relaxationc.    attachment cross bridging, pivoting heads, ATP caused detachment, relaxationd.    attachment cross bridging, pivoting heads, relaxation, ATP caused detachmente.    pivoting heads,  attachment cross bridging, relaxation, ATP caused detachment  

5.  An action potential and ion transfer can travel quickly…

5.  An action potential and ion transfer can travel quickly from one cardiac muscle cell to another      because of the presence of? a.    desmosomes & gap junctionsb.    fast fibers & desmosomesc.    tight junctions & intercalated discsd.    gap junctions & intercalated discs e.    hemidesmosomes & intercalated discs  

Exercice 2 Questions 32–40 Vous allez entendre, deux fois,…

Exercice 2 Questions 32–40 Vous allez entendre, deux fois, une interview avec Robert, alpiniste suisse.Pendant que vous écoutez l’interview, répondez aux questions en français. Il y a deux pauses dans l’interview. Vous avez d’abord quelques secondes pour lire les questions.