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From the largest to smallest, place the following units in order: A.  myofibril B.  muscle fiber C.  sarcomere D.  muscle E.  fascicle F.  myofilaments  

The strongest muscle contractions are generally achieved as a result of:    

The student will have the chance to acquire 50 points via in-class participation throughout the semester. 

Wave summation occurs when a second stimuli is delivered before relaxation is complete.   

ESSAY QUESTION #3: According to course materials only, list five fascicle arrangements used to determine muscle shape (recall, given fascicle arrangement sub-categories, there are a total of seven arrangement possibilities). Then, using the muscle checklist from BI231, provide an example of a muscle for each fascicle arrangement. (5pts) NOTE: When writing your essay response, be sure to write in essay format. Points shall be deducted with improper use of grammar, spelling, and/or punctuation. I further expect to see well-constructed sentences with no errors in mechanics. I am not looking for what Google or Chat GPT (or other generative AI applications) provide you as an answer to this question. Only responses derived from course materials shall be accepted for grading. 

Myosin heads contain ATP-binding sites and Ca2+ binding sites to promote cross-bridge activity with actin.   

A major extensor of the neck and skull is the sternocleidomastoid muscle.   

The muscle fibers of our body (skeletal, cardiac, and smooth) rely on the efforts of triads for the delivery of Ca2+ into the sarcoplasm to aid in muscle contraction.  

Match the skin coloration listed at left to the list of likely (and most common) causes at right.

SHORT ANSWER QUESTION #1: According to course materials only, list the cell junction associated with keratinocytes. (1pt) NOTE: When writing your short answer response, I am not looking for what Google or Chat GPT (or other generative AI applications) provide you as an answer to this question. Only responses derived from course materials shall be accepted for grading.