Quiz

QUIZ

1. What is not a part of a triglyceride molecule?

a. Glycerol e. Carboxylic acid f. Ester bond g. Fatty acid

2. What is part of the phospholipid that is not a part of the triglyceride molecule?

a. Fatty acids b. Ester bonding c. Glycerol d. Phosphate group

3. Fatty acid synthesis happens in the human body through the breakdown of glucose and the making of acetyl CoA. What area of the body is not associated with this fatty acid synthesis process?

a. Liver b. Adipose tissue c. Muscle cells d. Mammary glands

4. Which fatty acid is made in fatty acid synthesis the most, becoming the most common fatty acid in animal cells?

a. Arachidonic acid b. Palmitic acid c. Stearic acid d. Linoleic acid

5. What type of lipid is only found on the outside of the cell membrane and not on the inside?

a. Glycolipids b. Cholesterol c. Phosphatidylinositol d. Phosphatidylserine

6. What is the major difference between integral proteins and peripheral proteins?

a. Peripheral proteins are hydrophobic and integral proteins are hydrophilic b. Peripheral proteins are only on the inside of the cell membrane c. Peripheral proteins lie on the outer surface of the cell d. Peripheral proteins cannot be isolated unless the cell membrane is disrupted

7. What makes up the outer portion of a cell for the most part?

a. Phosphate molecules b. Lipid layer c. Hydrophobic proteins d. Carbohydrates

8. What is the main purpose of a transporter protein in a cell membrane?

a. To transport ions or small molecules across the membrane b. To aid in endocytosis for the cell c. To aid in exocytosis for the cell d. To attach the cell’s exoskeleton to the cell membrane

9. Which membrane protein in animals is most responsible for chemical signaling in and out of the cell?

a. Transporter protein b. Cell adhesion protein c. Membrane receptor protein d. Protein enzymes

10. What is the main difference between transmembrane proteins and integral monotopic proteins?

a. Integral monotopic proteins are more lipophilic than transmembrane proteins b. Integral monotopic proteins do not pass all the way through the membrane and transmembrane proteins do c. Integral monotopic proteins are larger than transmembrane proteins d. Integral monotopic proteins have a glycocalyx, which is not true of transmembrane proteins