WorksheetsUnit 3 Test
Total questions: 20
Worksheet time: 10mins
Which one of these elements is the main component of organic compounds?
Hydrogen
Oxygen
Nitrogen
Carbon
It is the study of all compounds that contain bonds between carbon atoms.
Inorganic chemistry
Chemistry
Organic chemistry
Carbon chemistry
Which is NOT a property of carbon?
It is polar
It has 4 valence electrons
It forms strong covalent bonds
It can form long chains
These are known as “giant molecules.”
Polymers
Carbohydrates
Macromolecules
Monomers
Term given to the small units in macromolecules.
Polymers
Monomers
Micromolecules
Atoms
Term given to a group of many units joined together.
Polymers
Monomers
Micromolecules
Atoms
These are the four main groups of macromolecules.
Starch, glycogen, cellulose, and lactose
Carbohydrates, lipids, nucleic acids, and proteins
Carbohydrates, lipids, cellulose, and proteins
Starch, glycogen, nucleic acids, and lactose
These are compounds made up of carbon, hydrogen, and oxygen. They are a main source of energy for cells and serve structural purposes for plant cells.
Carbohydrates
Proteins
Lipids
Nucleic acids
Name given to single sugar molecules. a.
Amino acids
Monomers
Monosaccharides
Polysaccharides
Name given to macromolecules formed from monosaccharides.
Starches
Monomers
Polysaccharides
Polymers
These are biological molecules that are not soluble in water.
Carbohydrates
Proteins
Lipids
Nucleic acids
These lipids are joined together by single bonds, examples are lard and butter.
Saturated
Unsaturated
These lipids are joined together by double bonds, examples are oils.
Saturated
Unsaturated
These are biological molecules that contain nitrogen and phosphorus, they store and transmit genetic information.
Carbohydrates
Proteins
Lipids
Nucleic acids
Term given to monomers that form nucleic acids.
Amino acids
Monosaccharides
Nucleoitdes
Fatty acids
Nucleotides consist of 3 parts: a 5-carbon sugar, a nitrogenous base, and what else?
Sulfur group
Phosphate group
Magnesium group
Potassium group
These are biological molecules whose monomers are amino acids.
Carbohydrates
Proteins
Lipids
Nucleic acids
Name given to the portion of each amino acid that is different is a side chain called
A-group
S-group
R-group
P-group
Proteins can have these many levels of organization
2
5
4
1
Van der Waals forces and _______ help maintain proteins shapes
Hydrogen bonds
Ionic bonds
Covalent bonds
Polar bonds
