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Carbon compounds
Carbon compounds
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Carbon and organic compounds
Flashcards
41 cards
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Questions
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Answers
1
In chemical reactions, atoms are
neutralized
created
destroyed
rearranged
2
During the lab when you added the Magnesium ribbon to the HCl the reaction is a(n)
exothermic reaction (energy releasing)
endothermic reaction (energy absorbing)
energy absorbing reaction
physical change
3
Many plants have waxy coatings on their leaves to shed water. This waxy coating is a
protein
nucleic acid
carbohydrate
lipid
4
All organic compounds contain the element
Na
N
Ca
C
5
Carbon compounds can form
Circular shapes and rings
Rings and chains
Rings and rectangles
Chains and spirals
6
Polymerization is
The formation of monomers
The reaction that forms lipids
a reaction that forms polymers
How water is formed
7
Amino acid is to protein as
DNA is to RNA
glucose is to starch
Sugar is to fat
Fat is to lipid
8
Based on the graph, the following conclusion can be made about the functioning of catal
ase.
Catalase cannot function at 20 C
Catalase works best at 34 C
Catalase functions most efficiently at 50 C
Catalase is destroyed at 34 C
9
Which of the following is a central role of carbon in the chemistry of living organisms?
Carbon readily forms ionic bonds that separate easily.
Carbon is a solvent that breaks chemical bonds
Carbon can form many types of molecules with covalent bonds.
Carbon can only bond with other carbon atoms.
10
A monosaccharide is a
Protein
Nucleic Acid
Lipid
Carbohydrate
11
Which of the following is not a function of proteins?
Control the rate of reactions
Move substances into or out of cells
Help fight disease
Store and transmit genetic information
12
Hemoglobin is found in red blood cells it's monomers are amino acids, Hemoglobin is a
Lipid
Nucleic acid
Protein
Carbohydrate
13
Nucleic acids include
Lipids and waxes
Proteins
DNA and RNA
Glucose and glycogen
14
What polysaccharide is found in the cell wall of plant cells?
Celllulose
Starch
Lipids
glucose
15
Which reaction from the lab is considered an endothermic reaction. (energy-absorbing)
baking soda & vinegar
Bromothymol blue & CO2
Magnesium ribbon & HCl
candle burning
16
Animals store excess glucose as
Glycogen
Wax
nucleic acids
Cellulose
17
What is the term used to describe the energy needed to get a reaction started?
activation energy
chemical energy
adhesion energy
cohesion energy
18
What type of bond does carbon form with other elements?
covalent
ionic
electron
hydrogen
19
If scientists search other planets for possible life, they are likely to focus on molecules
that contain sodium
that contain potassium
that contain iron
that contain carbon
20
Chemical reactions that release energy
are exothermic
are endothermic
will not occur.
will always explode.
21
Which of the following is a form of energy that may be released during a chemical reaction?
all the above
light
heat
sound
22
A person exhales a molecule of carbon dioxide. What do plants produce from the carbon of CO
2
?
lipids
proteins
nucleic acids
sugars
23
Which of the following is not a monomer?
Nucleotide
Amino acid
Glucose
Protein
24
Long chains of amino acids are found in
Sugars
Proteins
Carbohydrates
Lipids
25
Which of the following is a polymer?
Protein
Amino acid
nucleotide
glucose
26
In red blood cells, carbonic anhydr
ase
acts as which of the following?
lipid
sugar
an enzyme
nucleic acid
27
The monomer for a protein is
triglycerides
nucleotides
amino acids
monosaccharides
28
Which of the following organic compounds is the main source of energy for living things?
Carbohydrates
lipids
nucleic acids
proteins
29
Many of the molecules of life are so large they are called
Biological Molecules
Carbon compounds
Micro molecules
Macromolecules
30
Which has at least one double bond between the carbon atoms?
Proteins
Saturated Fatty Acids
Polysaccharides
Unsaturated Fatty Acids
31
Candle wax melting is a
endothermic reaction
energy releasing reaction
physical change
exothermic reaction
32
Which of the following molecules is made up of glycerol and 3 fatty acids?
Proteins
Sugars
Nucleic acids
Lipids (Triglycerides)
33
What part of the cell is made of phospholipids?
cytoplasm
Vacuole
Cell membrane
DNA
34
What is the monomer for nucleic acids?
Nucleotides
fatty acids
Amino acids
monosaccharides
35
What type of organic compound helps fight diseases?
Lipids
Nucleic Acids
Carbohydrates
Proteins
36
Many land plants store excess sugar as starch. The starch molecules can be broken down into
lipids
nucleotides
amino acids
monosaccharides
37
Which of the following best explains why enzymes are necessary for many cellular reactions?
The reactions take up too much space in the cell.
Enzymes change reactants from solid to liquid.
Enzymes supply the oxygen necessary for the reactions.
Enzymes speed up reactions that might not occur without them
38
Carbon that is found in all living things originally comes from:
Animals eating plants
The sun’s energy
Fossil fuels like oil
Carbon dioxide in the air
39
Which of the following is a disaccharide?
galactose
Sucrose
fructose
glucose
40
All of the following are lipids
EXCEPT
Fats
Oils
Waxes
Sugars
41
When hydrogen and oxygen combine to form water, water is a
reactant
product and a reactant
product
neither a product nor a reactant.
