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Unformatted text preview: 1. 2. 3. 3. What are the characteristics of an AMPHIPATHIC molecule? Provide two examples of molecules with these characteristics you’ve already seen in lecture. 4. Selective transport across the lipid membrane requires _________ ____________ . A. List all of the SIMILARITIES between uniport and cotransport transport proteins that you can find: B. List two DIFFERENCES between uniport and cotransport transport proteins a. Which of the following statements is true regarding the speed of transport across a membrane? a. Ion channels > Transporters > ATP-powered pumps b. Transporters > ATP-powered pumps > Ion channels c. ATP-powered pumps> Ion channels > Transporters d. Ion channels > ATP-powered pumps > Transporters e. Transporters > Ion channels > ATP-powered pumps 5. Do you know your AMINO ACIDS: What three types of amino acids (groups) are found within the 20 common Amino Acids? (i.e. the ones you should remember!) a. b. 2...
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- Winter '08
- cell biology, lipid hydrocarbon backbones, cell membrane fluidity, ATP-powered pumps