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Ch. 3 The Molecules Of Life
Test Description: Part 3 of 4
Instructions: Answer all questions to get your test result.
1) A fat (such the kind in a as a doughnut) that is hydrogenated is ______.
A
easier to digest
B
more unsaturated
C
less likely to cause strokes
D
more solid
2) Which of the following is a health effect of a diet high in saturated fats?
A
increased blood flow
B
increased risk of heart attack
C
decreased risk of stroke
D
decreased risk of atherosclerosis
3) Your friend has added muscle mass quickly and is depressed and having mood swings. You suspect he has begun to take ______________.
A
protein powder
B
an anabolic steroid
C
creatine
D
amino acid supplements
4) Enzymes (such as lactase which helps to digest the lactose in dairy products) are ______.
A
phospholipids
B
proteins
C
monosaccharides
D
amino acids
5) Proteins are polymers constructed from ______ monomers.
A
fatty acid
B
nucleotide
C
amino acid
D
hydrocarbon
6) Amino acids include a side group as well as ______.
A
a central nitrogen, a carbon atom, an amino group, and a carbonyl group
B
a central carbon, a hydrogen atom, an amino group, and a carboxyl group
C
a central carbon, a hydrogen atom, a hydroxyl group, and a carbonyl group
D
a central hydrogen, a nitrogen atom, a hydroxyl group, and a carbonyl group
7) What is the name given to the reaction that breaks peptide bonds?
A
denaturation
B
hydrogenation
C
dehydration reaction
D
hydrolysis
8) A pleated sheet is an example of protein ______ structure.
A
primary
B
quaternary
C
tertiary
D
secondary
9) A protein's function is dependent on its ______.
A
weight
B
shape
C
size
D
pH
10) Destruction of a protein's shape is called ______. (Think of cooking egg whites.)
A
a dehydration reaction
B
hydrolysis
C
denaturation
D
hydrogenation
*select an answer for all questions
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