Which below is not a characteristic of water

more dense as a solid than a liquid

Which below is a functional group found in polypeptides ?

none of these may be found in a polypeptides

Saturated Triglycerides.......

are usually found in animal meats

Shows the tertiary structure of a protein

Which statement is true for enzymes

an enzymes activity depends upon its three dimensional structure

An enzyme molecules activity is not effected by..

increasing the enzyme concentration

is made of one glucose and one fructose molecule

Nitrogen, oxygen carbon , hydrogen , sulfur

enzyme activity due to a change in pH

The folding in the polypeptide shown would represent....

secondary structure of a protein

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UNIT 2 AP Bio Organic and Biochemistry

47 termsStudBud Administration229 plays

Chapter in AP Bio and Chemistry

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Questions 47

Answers

1
Which one below is not organic in terms of chemistry?
Coal
Alcohol
Cotton
Sand
2
In the diagram shown B ....
all answers are correct
is a polymerase type of enzyme
is reusable
is a non-specific type of enzyme
3
Which below is not a characteristic of water
high specific heat
more dense as a solid than a liquid
hydrogen bonding
cohesion
4
Which below is a functional group found in polypeptides ?
ketone functional group
hydroxyl functional group
none of these may be found in a polypeptides
chloro functional group
5
Saturated Triglycerides.......
are liquid at room temperature
are healthier than unsaturated triglycerides
are usually found in animal meats
have double or triple bonds
6
In the diagram enzyme 1.....
all answers are correct
has a regulatory site
has an active site
Is an allosteric enzyme
7
Animal fats
all above are true
are solid at room temperature
are usually unsaturated fats
contain double bonds in their fatty acid chains
8
enzymes ....
contain carbon hydrogen and phosphorus
All answers are true
form hydrogen bonds between amino acids
Are proteins
9
The molecule shown..
is a polysaccharide
shows the quaternary structure of a protein
Shows the tertiary structure of a protein
shows the secondary structure of a protein
10
Which statement is true for enzymes
an enzymes activity depends upon its three dimensional structure
as temperature increase all enzymes will increase activity
as the of hydrogen ion conc. increases the activity of an enzyme increases
all answers are true
11
Metabolism of which of the following molecules results in the greatest useable energy per gram?
a disaccharide
an anabolic steroid
a polypeptide
a triglyceride
12
An enzyme molecules activity is not effected by..
increasing temperature
decreasing hydrogen ion concentration
increasing the enzyme concentration
Increasing concentration of hydrogen ions
13
The molecule shown is a/an
amino acid
nucleic acid
dipeptide
carbohydrate
14
Which functional group is found in proteins?
amine group
Carboxyl group
Carboxyl group and amine group
none are found in proteins
15
The reaction shown.......
forms a product that is a dissacharide
all answers are true
produces water as a byproduct
is a dehydration synthesis reaction
16
Which below is NOT a function of lipids
conduct electricity
serve as biological catalysts
structural unit of plasma membrane
store long term energy
17
Which below is NOT a function of lipids
integral part of cell membranes
Speed electrical signals
building block of muscles
insulation
18
The molecule shown is
a triglyceride
A polysaccharide
a saturated fatty acid
a phospholipid
19
In the diagram A .....
is an enzyme
has an active site
is reuseable
is a substrate
20
A disulfide bond would be found in
a protein or an enzyme
a lipid
an enzyme
a protein
21
Sucrose
is a dipeptide
all answers are correct
is a lipid
is made of one glucose and one fructose molecule
22
Enzymes
are made of amino acids
are proteins
all of the answers are true
biological catalysts
23
proteins contain
Sulfur, phosphorus , hydrogen, oxygen
Nitrogen, oxygen carbon , hydrogen , sulfur
phosphorus, carbon, hydrogen, oxygen, nitrogen
sulfur, carbon , hydrogen , oxygen
24
This molecule is....
is a polymer of a sugar
would be the major component of the plasma membrane
all of the above are true
Is a triglyceride
25
The storage polysaccharide in animal tissue is....
all answers are correct
glycogen
starch
glucose
26
Which elements below would form a hydrogen bond
Hydrogen and oxygen
Hydrogen and nitrogen
all answers are true
Hydrogen and Sulfur
27
Which below would contain sulfur?
enzymes
triglycerides
nucleic acids
carbohydrates
28
Approximately what percentage of all compounds on our planet are considered organic?
50%
75%
90%
10%
29
water
forms surface tension on water due to hydrogen bonds.
has a relatively high specific heat
All answers are true
is less dense as a solid than a liquid
30
The molecule shown is
oil
all answers are true
unsaturated
Triglyceride
31
The graph shows
enzyme activity due to a change in pressure
enzyme activity due to a change in pH
enzyme activity due to both ph and temperature
enzyme activity due to temperature change
32
Which two macromolecules contain only hydrogen, carbon, and oxygen?
lipids and carbohydrates
carbohydrates and polypeptides
Lipids and nucleic acids
nucleic acids and proteins
33
What is the optimal temperature and pH for this enzyme to perform its function?
10oC and pH 8
pH 8 and 40oC
pH 8 and 40o F
pH 8 and 50oC
34
Polymers are....
Very large molecules
all answers are true
made of monomers
natural and synthetic
35
Which below is not part of the nucleotide structure?
Carboxyl group
nitrogenous base
five carbon sugar
phosphate group
36
The folding in the polypeptide shown would represent....
secondary structure of a protein
primary structure of a protein
quaternary structure of a protein
tertiary structure of a protein
37
unsaturated hydrocarbons
can be alkanes
can be alkynes
all answers are correct
have more hydrogens than saturated hydrocarbons
38
Two amino acids
Would be a disaccharide
would be considered secondary structure
is called a polypeptide
are attached by a peptide bond
39
An increase in the hydrogen ion concentration of 10X in a solution......
all answers are correct
causes a raising of the ph of a solution
will cause the pH to increase one number value
can denature and enzyme
40
The molecule shown
is found in enzymes
is a monomer of lipids
helps code for proteins
is an amino acid
41
The process in which a proteins 3 dimensional structure is destroyed is called
Apoptosis
trans-configuration
Denaturation
Desolation
42
This molecule
is a glycerol molecule
all answers are true
is part of a polysaccharide
is part of a carbohydrate
43
The monomer of polypeptides is the
amino acid
monosaccharide
Nucleotide
fatty acid
44
Which answer most likely does not effect an enzymes activity?
Temperature
pH
Density of substrate
Water concentration
45
Peptide bonds are ......
hydrogen bonds
hydrophobic bonds
covalent bonds
ionic bonds
46
What environmental factors may denature a protein?
all answers are true
excess heat
too high a pH
too low a pH
47
Which below would not be found in Deoxyribonucleic acid?
Adenine
Uracil
cytosine
guanine

UNIT 2 AP Bio Organic and Biochemistry Flashcards | StudBud