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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
more solid
B
easier to digest
C
more unsaturated
D
less likely to cause strokes
2) Which of the following is a health effect of a diet high in saturated fats?
A
decreased risk of atherosclerosis
B
increased blood flow
C
increased risk of heart attack
D
decreased risk of stroke
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
amino acid supplements
C
creatine
D
an anabolic steroid
4) Enzymes (such as lactase which helps to digest the lactose in dairy products) are ______.
A
monosaccharides
B
phospholipids
C
proteins
D
amino acids
5) Proteins are polymers constructed from ______ monomers.
A
nucleotide
B
hydrocarbon
C
fatty acid
D
amino acid
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 hydrogen, a nitrogen atom, a hydroxyl group, and a carbonyl group
D
a central carbon, a hydrogen atom, a hydroxyl group, and a carbonyl group
7) What is the name given to the reaction that breaks peptide bonds?
A
hydrolysis
B
hydrogenation
C
denaturation
D
dehydration reaction
8) A pleated sheet is an example of protein ______ structure.
A
secondary
B
primary
C
tertiary
D
quaternary
9) A protein's function is dependent on its ______.
A
pH
B
weight
C
shape
D
size
10) Destruction of a protein's shape is called ______. (Think of cooking egg whites.)
A
denaturation
B
a dehydration reaction
C
hydrogenation
D
hydrolysis
*select an answer for all questions
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