What is number 1?  

x = [21] y =[15]

In the space provided, type out your essay.

During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy.  As a result, the pyruvic acid is converted to ________________.

Which muscles will contract to rotate your head to the right?

During the first 15 seconds of activity, ATP can be produced rapidly from _________.

Joe has just ingested a chemical that binds irreversibly to the ACh receptors in the sarcolemma.  By itself it does not alter membrane potential, but it prevents normal neurotransmitter binding.  For skeletal muscle, the consequence of ingesting this chemical would be _______.

An agonist for closing your mouth is the _________.

Which of the following are considered gates in flow cytometry plots?

You have labeled your cells for two markers CD45 (conjugated to APC chromophore) and CD8 (conjugated to Pacific Blue chromophore). After staining your controls and sample, you analyze them via flow cytometry and obtain the following results. Which pair of histograms belongs to which sample (C1: unstained control, C2: CD45-only stained cells, C3: CD8-only stained cells and S1: CD45 + CD8 stained cells).                                                   #1 [answer1] ____________________________________________________________________                                                  #2 [answer2] ____________________________________________________________________                                                  #3 [answer3] ______________________________________________________________________                                                  #4 [answer4] ___________________________________________________________________