WGU C785 Biochemistry Module 5 ( Updated 2023 -2024 )
Latest Questions With 100% Verified Answers
- 3 characteristics of long chain saturated fatty acids?
Answer:
- more than 12 carbons
- solid
- membrane fluidity decreases pack tightly and stack uniformly
- omega carbon
Answer: the last carbon in the chain
- omega 3
Answer: double bond at carbon #3 on the chain
- beta bond
Answer: Type of chemical bond that cannot be broken by human intestinal enzymes
during digestion
- Steps of fat breakdown
Answer:
- Triglyceride are broken down
- CoA is added to the fatty acid, makes fatty acyl CoA
- fatty acyl CoA goes into mitochondria
- CoA is added to fatty acid
- What is a trans fatty acid?
- / 3
Answer: fatty acids that are formed when vegetable oils are processed into solid fats
- Phosphate
Answer: PO4 3-
- Vitamins carried by fat? Fat soluble
Answer: D A K E
- lipid bilayer
Answer: gives cell membranes a flexible structure that forms a strong barrier
between the cell and its surroundings
- fluid mosaic model
Answer: Structural model of the plasma membrane where molecules are free to
move sideways within a lipid bilayer
- Temperature increases fluid in membrane in fluidity
Answer: de- creases
- Temperature decreases fluid membrane in fluidity
Answer: - increases
- examples of lipids
Answer: fats, oils, waxes, steroids
- How many bonds can carbon form?
Answer: 4 bonds
- / 3
- Describe what acetyl CoA is?
Answer: 2 carbon molecule taken from fatty acid in beta oxidation
- Where does acetyl CoA come from?
Answer: pyruvate oxidation
- Where does acetyl CoA formation occur?
Answer: mitochondria
- What is central to metabolism?
Answer: acetyl CoA
- What is the precursor to building fatty acids?
Answer: acetyl CoA
- What is the precursor to eicosanoids?
Answer: arachidonic acid
- What do eicosanoids do?
Answer:
- blood clotting
- inflammation signal
- recruit immune cells
- vasodilators
- fever, inflammation
- What signaling molecule helps with would healing, infection, fever and
- / 3
inflammation?