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Biology: Chemistry of Life Flashcards | StudBud
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Biology: Chemistry of Life
Biology: Chemistry of Life
40 terms
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biomolecules
Flashcards
40 cards
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Questions
40
Answers
1
What type of bonds do saturated fats contain in their fatty acids?
triple
double
ionic
single
2
True or False. Proteins play a central role as an energy source.
False
True
3
Bonds joining monosaccharides
peptide
glycosidic
hydrogen
ester
4
Polymer has C, H, O, N, P
lipids
carbohydrates
nucleic acids
glucose
5
An peptide bond occurs between _______ and_____ of amino acids.
amino; hydrogen
amino; amino
carboxyl; amino
carboxyl; carboxyl
6
monomer
glycogen
glucose
starch
cellulose
7
The bond between amino acids is called
peptide bond
glycosidic bond
ester bond
8
Connecting bond between amino acids
ester
peptide
ionic
glycosidic
9
Bond between glycerol and fatty acids
ester
glycosidic
hydrogen
peptide
10
In an endothermic reaction...
heat is taken in
products are cooler than the reactants
heat is released
energy is released
11
Electrons are __________ charged
positively
negatively
neutrally
12
True or False. An atom is neutral when its protons equal its electrons.
False
True
13
Water bonding to other water molecules
adhesion
ionic
cohesion
transpiration
14
Weak bonds between polar molecules
polar
ionic
hydrogen
nonpolar
15
Polymer has C, H, O, N
carbohyrates
nucleic acids
lipids
proteins
16
Polysaccharide for energy storage in animals
glucose
fructose
starch
glycogen
17
Polysaccharide in plants for energy storage
starch
sucrose
glucose
glycogen
18
What property of water allows insects to walk on water?
adhesion
surface tension
polar
hydrophillic
19
How do enzymes influence a biological reaction?
slows reaction down
lowers activation energy of reaction
decreases the energy of products
increases energy difference between reactions and products
20
Breaking down of proteins into amino acids
adding of water
surface tension
removal of water
solubility
21
Monosaccharides joining together to form polysaccharide
dehydration reaction
hydrolysis
nonpolarity
polarity
22
What is the difference between the amino acids?
R group
amino
hydrogen
carboxyl
23
Name the blue part of the amino acid.
ionic group
carboxyl group
amino group
hydrogen group
24
Found in animals and solid at room temp
unsaturated fat
steroids
phospholipid
saturated fat
25
DNA and RNA
carbohydrates
proteins
lipids
nucleic acids
26
What type of bonds do unsaturated fats have in their fatty acids?
triple
ionic
double
single
27
Forms the cell membranes
unsaturated fats
steroids
saturated fats
phospholipids
28
Proteins are made up of
fatty acids
nucleic acids
sugars
amino acids
29
Water bonding to other substances
transpiration
ionic
cohesion
adhesion
30
Enzymes belong to which polymer or biomolecules?
nucleic acids
lipids
carbohydrates
proteins
31
The bond between oxygen and hydrogen in water molcule is_______.
ionic
hydrogen
polar
nonpolar
32
Name the red part of the amino acid.
carboxyl group
amino group
ionic group
hydrogen group
33
The compound NH
3
has how many atoms?
6
4
3
5
34
Elements are substances composed of one type of ______________
compound
atom
nucleus
electron
35
A substrate binds to the __________ on an enzyme.
active site
activation energy
product site
reaction site
36
Which topic falls under the study of biology.
digestive system of elephants
chemicals in gasoline
sand on the beach
makeup of planet Jupiter
37
Identify the following molecule.
glycerol
disaccharide
amino acid
nucleotide
38
The bond between an oxygen of one H20 and hydrogen of another H20 is ________.
polar
nonpolar
ionic
hydrogen
39
Sam is testing the effect of jazz music on plant growth. Which is the independent variable
plant growth
jazz music
type of plant
amount of music
40
Polypeptide is another name for the polymer ______.
lipid
carbohyrate
nucleic acid
protein