Science is a Process, not an Object.

Advanced Honors Biology

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Cell Cycle

This is a brief introduction the cell cycle. As we discussed on Thursday, there are some minimal things we know have to go on.
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Signaling Introduction

We will go over a brief primer of signaling. I want everyone to have the tools to read some of what they are working on as well as providing the rest of the class with the tools to understand.
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Enzyme Cofactors

Many enzymes use "cofactors" to help carry out their function. The one above is a "Heme." We will see a lot of these and similar structures. The ring is called a porphyrin ring. A heme is a porphyrin ring with an iron in it. The iron can carry oxygen molecules. We discussed hemoglobin earlier. That protein carries oxygen in your blood. Or, to be more correct, that protein carries a 4 heme groups, each of which carries an iron, each of which carries oxygen.
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