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Chapter 3: Molecules in the cell Flashcards | StudBud
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Chapter 3: Molecules in the cell
Nonpolar means
The ratio of carbon to hydrogen to oxygen
Chapter 3: Molecules in the cell
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1
The ratio of carbon to hydrogen to oxygen
2CH2O
C2H2O2
CH2O
CHO2
2
Nonpolar means
unequal distribution of charge
equal distribution of charge
3
A glucose molecule is to starch as
an amino acid to a nucleic acid
nucleotides to nucleic acid
steroid is to lipid
protein is to an amino acid
4
Which one of the following is a monosaccharide?
glycogen
fructose
chitin
sucrose
5
tertiary structure shows
protein subunits joined
an á helix or a pleated sheet.
3d structure
6
Proteins have a carbon with a hydrogen, amino, r group and
carbonyl
carboxyl
Hydroxyl
Methyl
7
What is number 4?
Methyl
Phosphate
Amino
Carbonyl
8
Nucleic acids
contain genetic info
make enzymes
form energy
makes materials acidic
9
Which functional group(s) makes organic compounds hydrophilic?
amino
carbonyl
hydroxyl
All of the answers
10
Which functional group donates a H+ and makes solutions acidic?
Carbonyl
Amino
Hydroxyl
Carboxyl
11
One sugar molecule is a _____________saccharide
poly
mono
di
uno
12
Triglycerides have a glycerol molecule and...
3 fat tails
3 fatty acid tails
3 methyl groups
3 cholesterol tails
13
What carbon configuration is the figure below?
Fixed Ring
Linear
Branched
Ring
14
What has fused ring structures?
Proteins
Carbohydrates
Steroids
Lipids
15
Non polar molecules
separate from water
have unequal distribution of charge
mix with water
are uncommon
16
What makes a fatty acid an acid?
it contains 2 oxygen
its a polymer made of sm. subunits
bonds w/others to form fat
donates H+ in solution
17
Which type of lipids have fused rings?
unsaturated
steroids
Triglycerides
saturated
18
Which of the following is not part of DNA's backbone
Phosphate
Nucleotide
5 carbon sugar
19
Which one of the following are carbohydrates not used for?
Energy
Building muscle
Structure
20
How are the three fatty acid chains attached?
hydration
Glycolysis
Hydrolysis
dehydration
21
Which of the following will not denature an enzyme
changes in salt concentration
extreme pH change
freezing
heat
22
Saturated fats have
max. number of H per C
two double bonds
multiple fatty acid chains
one double bond
23
In a peptide bond, what two elements bond
C-Ni
C-OH
C-N
O-C
24
What is being studied in Organic chemistry?
Natural molecules
Molecules
Carbon
Carbon based life
25
Lipids are:
very small
hydophobic
hydrophilic
very large
26
Which functional group controls gene expression?
NH2
OH
OPO3
CH3
27
Lipids are used as protection and
muscles
structure
hormone production
function
28
Double bonds can be broken to add other elements
False
True
29
What is number 6?
Methyl
Carboxyl
Amino
Phosphate
30
What are carbohydrates used for?
Energy
Amino Acids
Protiens
31
What is the polysaacaride storage used in plants?
glycogen
sucrose
glucose
starch
32
What causes dehydration and hydrolysis reactions to occur?
Electrical Attraction
Polymers
Enzymes
Catalysts
33
Cellulose and starch are alike because
energy storage
cannot be digested
used in the cell wall
polymers of glucose
34
Two distinct molecules have the chemical formula C6H12O6. We can determine that:
they are isomers
they are organic
They are the same
they have the same properties
35
Molecules that only consist of hydrogen and carbon are
Carbogens
Carbo
Hypercarbons
Hydrocarbons
36
The tertiary structure may include
pleated sheets
alpha helix
multiple subunits
3d structure
37
Structure of a proteins determines its function
True
False
38
Secondary structure shows
an á helix or a pleated sheet.
amino acid sequence
3d structure
reactability
39
Which substance would stop the zombie apocalypse?
Yogurt
Apple Juice
Milk
Potato
40
What is number 1?
Hydroxyl
Amino
Carbonyl
Carboxyl
41
Hydrolysis will
join molecules
break molecules
create molecules from scratch
42
Primary structure is
list of amino acids joined
the 3d structure
the basic structure
43
Saturated fats
no double bond
less common in animals
no health risk
liquid at room temp.
44
Lactose intolerance is
caused by a mutation
normal
not passed on
45
Carbon molecules can vary in length
True
False
46
A peptide bond links amino acids by linking a ____ to _____
carbonyl...amino
R group....amino
R group...H
carboxyl...amino
47
Carbohydrates are used as structure in plants in the form of cellulose and chitin
False
True
48
What base is the difference between RNA and DNA
Uracil
Thyiol
Adenine
Guanine
49
What type of bonds share electrons?
Valent
Ionic
Covalent
Hydrogen
