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"Outside the cell
7. What two major types of biological molecules compose the majority of the cell membrane in
Model 2?
8. How many different protein molecules are found in Model 2?
9. What is the difference between the position of the surface proteins and the membrane-spanning
proteins?
10. When a carbohydrate chain is attached to a protein, what is the structure called?
11. When a carbohydrate is attached to a phospholipid, what is the structure called?

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Which of the following would most directly interfere with sperm production? ingestion of a substance that mimicked inhibin interruption of sustentocytes' production of abp low sperm count use of synthetic steroids (testosterone)

What two conditions must be present for osmosis to occur?