List AND describe the three main functions of the middle ear.

Describe the ideal time for cochlear implantation and why.

Briefly explain how the electron transport chain in the mitochondrion works.  What powers it?  What does it do?  How is ATP generated as a result of the electron transport chain? [4 pts]

Compare and contrast vowel and consonant perception with regards to hearing-impaired listeners.

Briefly describe the semiconservative model of DNA replication.  Briefly describe the experiments performed that supported this model of DNA replication. [3 pt]

List AND describe the three functions of the middle ear.

Which molecule can act as a temperature buffer in the plasma membrane?  What does this molecule do to the membrane?  Is this molecule found in the same amount in all organisms?  Explain. [2 pt]

Why is there a maximum size that a cell can reach? [1 pt]

Isoleucine production from threonine is tightly controlled.  How is this process regulated?  What feedback mechanism is used?  Which enzyme is the key regulatory enzyme in the production of isoleucine?  What causes the inhibition to stop? [2.5 pts]

What is cooperativity and give an example of cooperativity discussed in the lesson. [1.5 pts]