1. The molecules to the right are a component of bile that is secreted into the intestines. This is considered to be an amphiphilic molecule.
![678_component of bile.jpg](https://secure.tutorsglobe.com/CMSImages/678_component%20of%20bile.jpg)
The molecule is labeled with the letters A-D in red. Which letter corresponds to a region of the molecules that will interact well with water?
2. The molecule in question is most likely synthesized from
- Cholesterol
- ATP
- A disaccharide
- Triglyceride
3. Glucose uses a transporter to get into cells, as shown in the animal. How would you classify the glucose transporter?
- Glycolipid
- Transmembrane protein
- Peripheral membrane protein
- Phospholipid
Which of the following would NOT increase the rate of a chemical reaction?
- Add an allosteric activator
- Increase the affinity of the enzyme for the substrate
- Increase the substrate concentration (Assuming not saturated)
- Increase the activation energy
- Increase enzyme concentration