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9th Awty biochemistry Flashcards | StudBud
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9th Awty biochemistry
9th Awty biochemistry
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9th grade atoms, molecules, bonding, carbs, protein, lipid, NA
Flashcards
62 cards
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1
This property of water is why water moves up a paper towel
High specific heat
surface tension
capillary action
high heat of vaporization
2
What is not part of a nucleotide?
glycerol
n-base
sugar
phosphate
3
What is not true about DNA?
It makes proteins
It has weak H bonds in the center
It is made of nucleotides
It is a double helix shape
4
What is the function of a nucleic acid?
insulation
Stored energy
code for proteins
cushion
5
What is the function of cholesterol?
stored energy
quick energy
buffer membrane fluidity
cushion and protection
6
What plant polysaccharide provides fiber in diets, and strength in plants?
glucose
cellulose
glycogen
starch
7
What is produced when two amino acids are put together?
OH
cellulose
water
H
8
What is the color change for benedicts?
yellow to black
yellow to green
blue to orange
blue to lavender
9
What functional groups are in an amino acid?
amino + hydroxyl
phosphate + carboxyl
hydroxyl + carboxyl
amino + carboxyl
10
When you put two glucose molecules together you remove what that becomes a product?
OH
water
carbon
H
11
What kind of bond is the dotted line between N-bases in DNA?
ionic
covalent
metalic
weak H
12
What color does biurets turn?
blue to orange
yellow to black
light salmon to dark salmon
blue to lavender
13
Glucose is an example of...
polysaccharide
polymer
disaccharide
monosaccharide
14
Which fatty acid is healthier for you?
unsaturated
monosaturated
polysaturated
saturated
15
What does sudan III test for?
protein
starch
glucose
lipid
16
same elements atoms with different numbers of neutrons
ion
isotope
cation
anion
17
What is an example of a nucleic acid?
glucose
DNA
triglyceride
polypeptide
18
weak charge attraction between 1 water and another
O bond
covalent bond
ionic bond
H-bond
19
functional group in carbohydrates
hydroxyl
carboxyl
amino
phosphate
20
When you digest starch, what is the process used?
cohesion
condensation
hydrolysis
capillary action
21
Why is carbon the framework of all macromolecules?
It is hydrophobic
It has the most amount of palces to bond other atoms
It is polar
It is an isotope
22
What are the monomers of proteins?
glycerol
amino acids
monosaccharides
fatty acids
23
What is this a picture of?
condensation
digestion
capillary action
hydrolysis
24
charge on oxygen in water
slightly -
slightly +
strongly +
strongly -
25
strong polar covalent bond
between the oxygen and hydrogen in the same water
between the oxygen of one water and hydrogen of another
between one water and another charged particle
between one waters oxygen and another waters oxygen
26
This water property helps water stay a constant temperature most of the time
High specific heat
high heat of vaporization
cohesion
adhesion
27
atoms that have lost or gained an electron
isotope
anion
cation
ion
28
What on an amino acid makes it different from another amino acid?
amino group
central carbon
R group
carboxyl group
29
ratio of C:H:O in carbohydrates
2,6, 8
2,2,4
1:2:1
1:2:2
30
What are the bonds between 2 N-bases in DNA?
ionic
covalent
weak H
metalic
31
determines the different varieties of the same element
proton number
atomic number
neutron number
electron number
32
determines the chemistry of the atom
nucleus
protons
neutrons
electron
33
centre of the atom where protons and neutrons are located
nucleus
neutron
energy level
cation
34
What is the function of mono and disaccharides?
quick energy
cell identification
makes up structures in the body
stored energy
35
determines what element something is.
nucleon number
electron number
neutron number
proton number
36
What does biurets test for?
starch
lipid
glucose
protein
37
varieties of an element with an abnormal amount of neutrons
cation
isotope
atom
anion
38
when atoms share electrons
covalent bond
weak H bond
metalic bond
ionic bond
39
What besides fatty acid is a building block of triglycerides?
glycerol
monosaccharide
glycogen
amino acid
40
smallest part of an element
nucleus
atom
compound
electron
41
What color does sudan turn?
light salmon to dark salmon
yellow to black
blue to lavendar
blue to orange
42
What is the function of a triglyceride?
cushion and protection
codes for proteins
buffer fluidity of membranes
make up membranes
43
What besides glycerol and 2 fatty acids makes up a phospholipid?
phosphate
glycogen
cholesterol
cellulose
44
2-8-8 rule
ratio of C:H:O in lipids
determines the amount of electrons in each energy level
determines the amount of atoms in a molecule
ratio of C:H:O in carbohydrates
45
subatomic particle with positive charge located in nucleus and adds to the mass
anion
neutron
proton
electron
46
What is the red and yellow area called?
energy level
orbital
nucleus
center
47
Which macromolecule stores large amount of energy, cushions, protects, buffers membrane fluidity, and makes up membranes
Nucleic Acid
Carbohydrate
Lipid
Protein
48
What does benedicts test for?
starch
glucose
protein
lipid
49
subatomic particle with (-) charge location in energy level, doesn't add to mass
neutron
proton
isotope
electron
50
This process removes water from smaller building blocks to make a larger compound
hydrolysis
condensation
adhesion
cohesion
51
What does iodine test for?
starch
glucose
protein
lipid
52
This property of water allows water striders to walk on water
high heat of vaporization
surface tension
capillary action
cohesion
53
Which building block has a double bond in it between carbons?
monosaturated fatty acid
saturated fatty acid
polysaturated fatty acid
unsaturated fatty acid
54
building blocks of carbohydrates
disaccharides
polysaccharides
triglyceride
monosaccharide
55
areas on the outside of the nucleus where electrons are traveling
anion
cation
subatomic particle
energy level
56
What are the monomers of nucleic acids?
nucleotides
glucose
N-base
amino acids
57
This property of water allows us to cool our body
cohesion
high heat of vaporization
high specific heat
capillary action
58
What is a product when 3 fatty acids join a glycerol, besides the triglyceride?
carbon dioxide
phospholipid
water
protein
59
what plant polysaccharide stores energy?
glycogen
starch
galactose
cellulose
60
In HONC, how many bonds does carbon want to make?
4
2
8
1
61
subatomic particle with no charge located in the nucleus and adds to the mass
nucleus
electron
neutron
proton
62
What is the function of a phospholipid?
quick energy
buffer membrane fluidity
make up membranes
code for protein
