Cp Bio 2 - Unit 1 Test (Spring 2014)
- 1.Which of the following is a polymer of amino acids?
- A.
Protein
- B.
Carbohydrate
- C.
Lipid
- D.
Nucleic Acid
- 2.Which of the following is a polymer of nucleotides?
- A.
Nucleic Acid
- B.
Protein
- C.
Carbohydrate
- D.
Lipid
- 3.Which of the following monomers make up a lipid?
- A.
Glycerol and fatty acid
- B.
Glycerol and amino acids
- C.
Glycerol and nucleic acids
- D.
Thymine and guanine
- 4.Which of the following is a structural form of carbohydrate?
- A.
Cellulose
- B.
Starch
- C.
Enzyme
- D.
RNA
- 5.The functional group -NH2 is called the ____.
- A.
Amino group
- B.
Acid group
- C.
Hydroxide group
- D.
Fatty acid
- 6.When a fat molecule is called "saturated", what is it saturated with?
- A.
Oxygen atoms
- B.
Double bonds
- C.
Calories
- D.
Hydrogen atoms
- 7.Organic compounds always contain the element ____.
- A.
Carbon
- B.
Nitrogen
- C.
Oxygen
- D.
Organium
- 8.Which of the following is NOT true of water?
- A.
It resists change in temperature.
- B.
It is considered the "universal solvent".
- C.
It can diffuse through lipids easily.
- D.
It has unique properties due to its polarity.
- 9.Bases are substances with a pH greater than 7.
- A.
True
- B.
False
- 10.There are literally hundreds of thousands of different organic molecules. Which statement best explains how this is possible?
- A.
Elements can make an unlimited number of chemical bonds.
- B.
Carbon is unique in that it can make four chemical bonds.
- C.
Carbon can make twenty bonds to other carbon atoms.
- D.
Organic molecules are acidic.
- 11.The specific chemical that an enzyme will act on is called a(n) ...
- A.
Substrate.
- B.
Protein.
- C.
Amino acid.
- D.
Catalyst.
- 12.Which phrase best describes the effect of a catalyst on a chemical reaction?
- A.
Decreases the rate of reaction
- B.
Increases the temperature
- C.
Decreases the activation energy
- D.
Increases the volume of the reactants
- 13.What type of polymer is an enzyme?
- A.
Protein
- B.
Carbohydrate
- C.
Lipid
- D.
Nucleic Acid
- 14.
What part is labeled B?- A.
Phosphate
- B.
Ribose Sugar
- C.
Nitrogen Base
- D.
Nucleotide
- 15.
What part is labeled C?
- A.
Phosphate
- B.
Ribose Sugar
- C.
Nitrogen Base
- D.
Nucleotide
- 16.
What part is labeled A?
- A.
Phosphate
- B.
Ribose Sugar
- C.
Nitrogen Base
- D.
Nucleotide
- 17.
This is a diagram of a monomer that is used to build ___.
- A.
Carbohydrates
- B.
Proteins
- C.
Nucleic Acids
- D.
Lipids
- 18.Which of the following is not one of the top four elements in the body?
- A.
Carbon
- B.
Hydrogen
- C.
Nitrogen
- D.
Calcium
- 19.
The structure labeled A is called ___.
- A.
Glycerol
- B.
Fatty acid
- C.
Amino acid
- D.
Nucleotide
- 20.
The structures labeled B are ___.
- A.
Fatty acids
- B.
Glycerides
- C.
Amino acids
- D.
Phosphate groups
- 21.The ___ form of this molecule is found in animals and is ___ at room temperature.
- A.
Saturated ... solid
- B.
Saturated ... liquid
- C.
Unsaturated ... solid
- D.
Unsaturated ... liquid
- 22.Which phrase best describes atoms?
- A.
Smallest basic unit of matter
- B.
Single-celled organism
- C.
Parts of a nucleus
- D.
Positively charged particles
- 23.Which of the following cannot be broken down by ordinary chemical means?
- A.
Element
- B.
Compound
- C.
Molecule
- D.
Bond
- 24.An ion is formed when an atom gains or loses ___.
- A.
Electrons
- B.
Protons
- C.
Neutrons
- D.
Photons
- 25.Atoms connected by covalent bonds share
- A.
Pairs of electrons
- B.
Ionic compounds
- C.
Carbon and oxygen
- D.
Hydrogen ions
.jpg "The structures labeled B are ___.")
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Sample QuestionWhich of the following is a polymer of amino acids?
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