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LIVING ENV
LIVING ENV
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Answers
1
What is cohesion?
Universal Solvent
Attraction between molecules of the same substance
Attraction between molecules of different substances
One side of an atom is more negatively charged than the other
2
What is water known as?
Attraction between molecules of the same substance
Attraction between molecules of different substances
Universal Solvent
Polarity
3
What do RNA and DNA do together?
create hereditary imaging
control development and activities in the cells.
4
What is in purine?
adenine, guanine
uracil, thymine
cytosine, guanine
adenine, uracil
5
what causes denaturation?
changes in pH and temperature
changes in protein shape
changes in protein development
none of the above
6
How many polypeptide chains is hemoglobin made out of?
3
1
4
20
7
What is an isomer?
same chemical formula; different structural formula
same structural formula; different chemical formula
different chemical formula; different structural formula
same chemical formula; same structural formula
8
The simplest carbohydrate (simple sugar)
monosaccharide
nucleotides
monomer
fatty acid
9
What is an unsaturated fat
none of the above
1 double or triple bond
more than 1 double or triple bond
single to single bonds
10
What do proteins make up?
muscle, hormones, enzymes, antibodies, bones
A and C
enzymes, hormones, tissue, bones, antibodies
muscle, tissue, bones, organelles
11
How much percent of the human body is water?
70%
65%
96%
60%
12
What are the building blocks on nucleic acids (CHOPN)
nucleotides
nucleogens
nitrogenous bases
amino acids
13
What is the bond that holds monosaccharides together in carbohydrates?
peptide bond
hydrogen bond
ester bond
glycosidic bond
14
fructose+glucose=____+H20
maltose
cellulose
glycogen
sucrose
15
Primary Protein Structure
chain
spider web
antibodies/enzyme
collage, hemoglobin
16
High cholesterol increases the risk of
disabilities
strokes
alkalosis
heart attacks
17
What does DNA do
make proteins (protein synthesis)
make sugars for the body
holds all the info to make proteins in the cell
create genetic mutations
18
What is an organic compound?
a compound that contains carbohydrates
a compound that contains carbon
a compound that contains glycogen
a compound that contains nitrogen
19
What is in pyramidine?
cytosine, uracil, thymine
adenine, guanine, uracil
cytosine, adenine, thymine
uracil, thymine, guanine
20
What is 1 molecule of fat formed by?
Ester bonds of fatty acids
1 fatty acid and 3 glycerols
3 fatty acids and 1 glycerol
Glycolic Acids
21
enzymes usually end in
ase
ose
22
What are the building blocks of proteins
fatty acids
peptide bonds
amino acids
monosaccharides
23
Secondary Protein Structure
antibodies/enzymes
chain
collagen, hemoglobin
spider web
24
What do sugars usually end in?
erse
ase
use
ose
25
All proteins are made up of at least....
4 polypeptide chains
1 polypeptide chain
3 polypeptide chains
2 polypeptide chains
26
enzyme inhibitors (ex: antibodies and poisons)
certain chemicals stop the action of an enzyme n affect its ability to work
a
27
What does RNA do?
create hereditary info
kills proteins
make proteins (protein synthesis)
holds info to make proteins in the cell
28
quarternary
spiderweb
hemoglobin/collagen
antibodies/enzymes
chain
29
What are the 4 functional groups of organic compounds?
Amino Group, Carboxyl, Nucleic Group, Hydroxl Group
Carboxyl Group, Amino Group, Phosphate Group, Glycolic Group
Hydroxl Group, Sulfate Group, Carboxyl Group, Amino Group
Hydroxl Group, Carboxyl Group, Amino Group, Phosphate Group
30
Tertiary
chain
antibodies/enzymes
spider web
collagen,hemoglobin
31
a substance that brings about a reaction without being changed itsel
coenzyme
cofactor
enzyme
catalyst
32
What is a polyunsaturated fat?
none of the above
1 double or triple bond
more than 1 double or triple bond
single to single bonds
33
example of an organic cofactor is known as an
a
enzyme (such as vitamins)
34
Unsaturated fats tend to be from?
Animals
Fish
Plants
Nuts
35
What is a Saturated Fat?
more than 1 double or triple bond
one double or triple bond
single to single bonds
none of the above
36
glucose+glucose=____+H20
galactose
sucrose
maltose
fructose
37
cofactors are
inorganic n contains zinc iron and copper; may be bound to the active site
i got lazy ;-;
38
What is adhesion?
Universal Solvent
Attraction between molecules of the same substance
One side of an atom is more negatively charged than the other
Attraction between molecules of different substances
39
How many bonds does carbon have the ability to make at once?
4
20
3
6
40
What makes up a DNA molecule?
phosphate group, sugar, nitrogenous bases
phosphate group, sugar (deoxyribose), nitrogen
adenine, guanine, thymine, cytosene
phosphate group, sugar, nucleotides
41
What are functions of lipids? (more than 1 answer)
Development
Insulation
Energy Supply; Cell structure
All of the above
42
What is a polar molecule?
Attraction between molecules of the same substance
One side of an atom is more negatively charged than the other
Universal Solvent
Attraction between molecules of different substances
