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Carbon compounds
Carbon compounds
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Carbon and organic compounds
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
If scientists search other planets for possible life, they are likely to focus on molecules
that contain iron
that contain sodium
that contain carbon
that contain potassium
2
If someone is lactose intolerant, they don't have the enzyme
lactase
glucase
amylase
sucrase
3
A molecule that contains the sugar ribose?
RNA
DNA
starch
cellulose
4
Carbon that is found in all living things originally comes from:
Carbon dioxide in the air
Fossil fuels like oil
Animals eating plants
The sun’s energy
5
Many of the molecules of life are so large they are called
Micromolecules
Monomolecules
Biological Molecules
Macromolecules
6
Animals store excess glucose as
Cellulose
Glycogen
Wax
nucleic acids
7
All of the following are lipids
EXCEPT
Waxes
Fats
Amino Acids
Oils
8
Many plants have waxy coatings on their leaves to shed water. This waxy coating is a
lipid
carbohydrate
protein
nucleic acid
9
What is the monomer for nucleic acids?
monosaccharides
fatty acids
Nucleotides
Amino acids
10
Based on the graph, the following conclusion can be made about the functioning of catal
ase.
Catalase cannot function at 20 C
Catalase is destroyed at 34 C
Catalase functions most efficiently at 50 C
Catalase works best at 34 C
11
Amino acid is to protein as
monosaccharide is to carbohydrate
DNA is to RNA
Sugar is to fat
Fat is to lipid
12
This type of lipid is a liquid at room temperature?
Proteins
Unsaturated Fatty Acids
Saturated Fatty Acids
Polysaccharides
13
Which of the following best explains why enzymes are necessary for many cellular reactions?
Enzymes supply the oxygen necessary for the reactions.
The reactions take up too much space in the cell.
Enzymes change reactants from solid to liquid.
Enzymes speed up reactions that might not occur without them
14
Many plants have waxy coatings on their leaves. This waxy coating is which type of organic molecule?
protein
lipid
nucleic acid
carbohydrate
15
In red blood cells, carbonic anhydr
ase
acts as which of the following?
an enzyme
nucleic acid
sugar
lipid
16
All organic compounds contain the element
C
N
Na
Ca
17
Fibrinogen is necessary for sealing cuts & stopping the loss of blood. Fibrinogen is made of chains of amino acids, it's
nucleic acid
protein
carbohydrates
lipid
18
Which of the following is not a monomer?
Protein
Amino acid
Monosaccharide
Nucleotide
19
Polymerization is
The formation of monomers
a reaction that forms polymers
The reaction that forms lipids
How water is formed
20
What type of monosaccharide is found in fruit?
fructose
lactose
galactose
glucose
21
Which of the following molecules is made up of glycerol and 3 fatty acids?
Sugars
Proteins
Nucleic acids
Lipids (Triglycerides)
22
Carbon compounds can form
Rings and chains
Circular shapes and rings
Chains and spirals
Rings and rectangles
23
The monomer for a protein is
triglyceride
monosaccharide
nucleotide
amino acid
24
How many valence electrons does carbon contain?
8
4
2
6
25
Which of the following organic compounds is the main source of energy for living things?
Carbohydrates
nucleic acids
proteins
lipids
26
What molecule contains the sugar deoxyribose?
RNA
DNA
cellulose
glucose
27
What polysaccharide is found in the cell wall of plant cells?
Celllulose
Lipids
glucose
Starch
28
What type of organic compound helps fight diseases?
Proteins
Carbohydrates
Lipids
Nucleic Acids
29
Starch is a
monomer for Nucleic Acids
monomer for Lipids
monomer for carbohydrates
polysaccharide
30
A person exhales a molecule of carbon dioxide. What do plants produce from the carbon of CO
2
?
carbohydrates
nucleic acids
proteins
lipids
31
Which of the following is not a function of proteins?
Move substances into or out of cells
Store and transmit genetic information
Control the rate of reactions
Help fight disease
32
Many land plants store excess sugar as starch. The starch molecules can be broken down into
glucose
amino acids
lipids
nucleotides
33
Which of the following is a polymer?
Protein
glucose
nucleotide
Amino acid
34
What part of the cell is made of phospholipids?
Cell membrane
DNA
cytoplasm
Vacuole
35
Hemoglobin is found in red blood cells it's monomers are amino acids, Hemoglobin is a
Protein
Nucleic acid
Lipid
Carbohydrate
36
Which of the following is a disaccharide?
fructose
galactose
Sucrose
glucose
37
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 can only bond with other carbon atoms.
Carbon can form many types of molecules with covalent bonds.
Carbon is a solvent that breaks chemical bonds
38
What type of bond does carbon form with other elements?
ionic
covalent
electron
hydrogen
39
Long chains of amino acids are found in
Carbohydrates
Proteins
Lipids
Sugars
40
Nucleic acids include
DNA and RNA
Proteins
Lipids and waxes
Glucose and glycogen
