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Biochemistry Review
Biochemistry Review
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A fun review of biochemistry for the AP Biology Exam
Flashcards
45 cards
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Practice quiz
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Host live
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Questions
45
Answers
1
What are the six essential elements
NaPONCH
SNaFONCH
None of the above
SPONCH
2
Which is a Purine?
A
U
T
C
3
What types of proteins are actin and myosin? (Again, a generic protein pic)
Structural
Receptor
Contractile
Enzymatic
4
How many neutrons does C-14 have (HINT: atomic # is 12)
7
8
6
9
5
Which functional group is crucial to the transfer of energy
Phosphate
Amino
Ether
Sulfhydryl
6
Proteins account for ____ % of the dry mass of most cells
50
85
25
75
7
What is a sign of a chemical reaction
none of the above
effervescence (bubbles)
2 aqueous products
change in appearance
8
The alpha helix and beta pleated sheet are characteristics of _________ structure?
Secondary
Primary
Quaternary
Tertiary
9
Name several properties of water
polarity
All of the above
Adhesion/Cohesion
Surface Tension
10
Which trace element is needed by all vertebrates (exclusively)
Iodine
Carbon
Cadmium
Iron
11
what chemical interaction allows geckos to climb walls
Van der Waals
Covalent Bonds
Ionic bonds
London Dispersion
12
Which unit (named for a famous scientist) is used to measure atomic mass
Openheimer
Dalton
Curie
Faraday
13
What type of protein is hemoglobin? (PS sorry not a picture of Hb)
Structural
Contractile
Transport
Storage
14
A denatured protein will often return to its shape when the denaturing agent is removed
False
True
15
What type of bonding creates tertiary structure for proteins?
Polypeptide
Disulfide bridges
sigma bonding
Van de waals interactions
16
Which of the following is not a protein?
insulin
an antibody
hemoglobin
cholesterol
17
Where does deoxyribose bind to nucleotides?
3' C
5' C
2' C
4' C
18
How many electrons are in the valance shell of halogens? (Hint P-5 elements)
7
1
the p block DNE
4
19
what type of bonding is not possible
sigma-pi-pi-gamma
sigma-pi
sigma
sigma-pi-pi
20
Describe this molecule (Hint it is oleic acid)
All of the above
Contains Cis bond
Saturated Fatty Acid
Contains Trans Bond
21
What is a molecular mimic (similar shape to) endorphins
heroin
Acetylcholine
Acetylcholinesterase
Labetalol
22
What are lipids that four fused carbon rings?
Hormones
Phospholipids
Cholesterol molecules
Steroids
23
What is chitin?
A structural polysaccharide
A molecule used in surgical thread
A component of exoskeletons
All of the above
24
What type of carb is cellulose
Disaccharide
Monosaccharide
Polysaccharide
Cellulose is not a carb
25
Molarity is...
mol/L
none of the above
mol (solute)/kg (solvent)
mol/kg (total)
26
Which of the following is an aldose
Ribulose
Fructose
Ribose
Dihyroxyacetone
27
Nucleotide are to _________ as _________ are to proteins?
nucleic acids; amino acids
genes; enzymes
polymers; polypeptides
amino acids; polypeptides
28
Where on DNA are phosphate groups attached to deoxyribose?
4' C
2' C
3' C
5' C
29
What type of sugar is ribose (found in RNA)
triose
pentose
hexose
30
Which of these terms encompasses all the others
aldehyde
ketone
carbonyl
acetone
31
What is a reasonable estimate of the mass of a protein
1,000 daltons
100,000 daltons
100 daltons
10,000 daltons
32
DNA is double stranded and RNA is single stranded
False
True
Maybe
33
Where in the body is glycogen (a polysaccharide) found?
Muscles
Liver
Pancreas
A and B only
34
Which of these is experiencing non-polar bonding
phenylalinine
hydroflouric acid
water
sodium hydroxide
35
Two or more polypeptide chains join to form the ________ structure of proteins
Secondary
Quaternary
Tertiary
Primary
36
What organ/tissue makes Iodine necessary for the success of vertebrates
Spleen
Thyroid
Pancreas
Peyer's Patches
37
the heat required for 1 gram of liquid to transform to gas is...
heat of evaporation
heat of vaporization
heat of fusion
heat of composition
38
Why does positron emission tomography matter to you?
Helpful diagnostic tool
It doesn't
It is used to power you cellphone
It detects chemically active organ regions
39
Molality is...
mol/L
none of the above
mol/kg (total)
mol (solute)/kg (solvent)
40
What makes polymers from monomers?
condensation reaction
single replacement reaction
dehydration synthesis
hydrolysis
41
Who recreated primordial Earth in order to synthesize coacervates
Miller & Urey
Watson & Crick
Rachel, Leah, Mitchell, Scott
Toby Cosgrove
42
What is the three–dimensional space where an electron is found 90% of the time
electric current
orbital
sub atomic space
atom
43
What units are used to measure energy
Joule
Calorie
Both
Neither
44
What are molecules that are mirror images of one another
Chirality
Enantiomers
Structural Isomer
Geometric Isomer
45
Organic chemistry is...
The worst part of the MCAT
Certain Death
The chemistry of C
Agricultural Chemistry
