Congrats, you finished the first exam of BIOL 3200! Well done!  For extra credit, please exit the lockdown browser and return to the Module for today’s exam. There you will find a link to a survey (5-10 min). If 70% or more of the class responds to the survey, then everyone in the class receives one extra credit point. If 90% or more of the class responds to the survey, then everyone in the class receives two extra credit points. 

For the balanced chemical equation  N2  +  3 H2  —–>   2 NH3, the molar ratio for H2 and NH3 is 3 mol H21 mol NH3{“version”:”1.1″,”math”:”3 mol H21 mol NH3″}.

Which set of coefficients balances the equation MgO   —–>  Mg  +  O2 ?

Select all of the following that are characteristics of a channel protein.

Select all of the following that are characteristics of an ion pump.

The center (middle) of the lipid bilayer is

Select all that are part of the peripheral nervous system.

Calculate the molar mass of the diol with the chemical formula CH3(CH2)5CHOHCH2OH.   

Select all that are part of the central nervous system.

Fill in the blank. The theory that all tissues are composed of microscopic units called cells is called ____________.