Exam 2 MC Flashcards
1
Q
_____ pathways ____ large molecules, _____ energy.
A
Two options:
- Catabolic; break down; releasing
- Anabolic; build up; storing
2
Q
Accurate folding of a protein is dependent on:
A
- proper pH
- correct ionic strength
- correct temperature
- correct metal ion concentration
3
Q
Triacylglycerols are composed of:
A
- a glycerol backbone with ester links to three fatty acids
4
Q
What are the consequences of partial hydrogenation of vegetable oils?
A
- longer shelf life
- higher melting temperature
- reduction of carbon-carbon double bonds to single bonds
- conversion of some cis double bonds to trans double bonds
- increased risk of cardiovascular disease upon consumption by humans
5
Q
What are all biological waxes?
A
esters of single fatty acids with long chain alcohols
6
Q
What type of lipid contains N-acetylneuraminic acid (sialic acid)?
A
gangliosides
7
Q
What are the health risks associated with consumption of trans fatty acids?
A
- Lowering of HDL cholesterol
- Increased inflammatory response in the body
- Raising of LDL cholesterol
- Increased risk of heart disease
- Decreased joint flexibility
8
Q
In neutral fats, three fatty acids are generally linked to what?
A
- glycerol