Tuesday, May 10, 2011

Muscles and kidneys!

Hello gang!

Tonight's assignment should be easier to do than last night's readings.

1.  Watch this video on how a sarcomere contracts.  From this you should know:
a.  what defines a sarcomere
b.  the two main proteins in a sarcomere
c.  What it means if a sarcomere is closed
d.  Which of the proteins is active when the sarcomere is closing.


In addition, there are two remaining ideas from the assessment statements RE kidneys:

1.  How do the levels of protein, glucose, and urea compare in the:
a.  blood plasma
b. glomerulus filtrate
c.  urine

2.  the role of alpha and beta cells in the pancreas RE to insulin and glucagon

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