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ACTIVITY 5:  Where is ATP required in contraction (shortening of the myofilaments)? (HINT: Refer to information in Vander Textbook 13th ed:  Section 9.2)

Activity 5:  What might be occurring on a molecular level during the rest periods?

What was the % increase in the force of contraction at the maximal tetanic contraction over the single twitch?  [x] %. Round to the nearest whole number and enter the number only in the answer box.   Use the formula below and the values from the previous question. % Increase with tetanus  = {[(Tetananized contraction force) – (Single Twitch contraction force)] / (Single Twitch contraction force)} Multiply result by 100 to get percent.  

ACTIVITY 3:  [x] is the strength of the stimulus measured in volts while [z] is the number of  times a stimulus is applied per unit of time (second)

Which of the following distinguishes a state of unfused tetanus from a state of complete (fused) tetanus?

What happens when a stimulus greater than the maximal stimulus is given?  Why?  Be specific and be brief.

Why was a stimulus of 8.5 volts used in this experiment?

T3 and T4:

In a job-order costing system, indirect labor cost is usually recorded as a debit to:

Beat Corporation uses a job-order costing system with a single plantwide predetermined overhead rate based on machine-hours. The company based its predetermined overhead rate for the current year on the following data:   Total machine-hours 40,000 Total fixed manufacturing overhead cost $344,000 Variable manufacturing overhead per machine-hour $ 3.90 Recently, Job M759 was completed. It required 60 machine-hours. The amount of overhead applied to Job M759 is closest to: (Round your intermediate calculations to 2 decimal places.)                        A)   $750                     B)   $516            C)   $984            D)   $234