Organic Compounds, Minerals and Enzymes Quiz
Preview:
The function of iodine in our diet is to…
A. Regulate body temperature
B. Regulate our metabolism
C. Regulate our sugar balance
D. Regulate our body pigments
Is found in the cell membrane as a bilayer.
A. lipids
B. protein
C. nucleic acid
D. carbohydrate
Water is an inorganic molecule.
A. TRUE
B. FALSE
What is the job of an enzyme?
A. It gets broken down in a chemical reaction.
B. It gets denatured each time a reaction occurs.
C. It has an active site.
D. It changes the rate (speed) of a chemical reaction.
Plants use this polysaccharide for structural support in their cell walls
A. Cellulose
B. Starch
C. Glucose
D. Glycerol
Lipids can be digested into what smaller subunits?
A. nucleic acids
B. amino acids
C. fatty acids
D. glucose
The shape of the active site on an enzyme determines _______________ to which it will bind.
A. Substrate
B. Temperature
C. pH
D. Catalyst
An example of a protein is
A. sugar
B. fat
C. DNA
D. an enzyme
Carbohydrates are split into three main groups:
A. sugars, salts, vitamins
B. sugars, salts, minerals
C. monosaccharides, disaccharides, polysaccharides
D. glucose, monosaccharides, polysaccharides
What am I?
I am comprised of C, H, O, N & S.
A. an adenosine triphosphate molecule
B. an amino acid
C. a phospholipid
D. a sucrose molecule
Waxes, oils and fats are examples of
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
Nitrogen is vital to life because it is a key component of:
A. proteins
B. laughing gas
C. carbohydrates
D. lipids
Proteins are made of monomers called ___________
A. Nucleotides
B. Monosaccharides
C. Amino Acids
D. Glycerol and fatty acids
Most of the starch strored in the cells of a potato is composed of molecules that originally entered these cells as
A. enzymes
B. simple sugars
C. amino acids
D. minerals
Which of the following organic compounds is the main source of energy for living things?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins
Which of the following is a polymer?
A. glucose
B. methane
C. cellulose
D. carbon dioxide
E. all of the above
In a chemical reaction, the reactants begin the reaction and are written on the left side of the arrow.
A. FALSE
B. TRUE
The main element in organic compounds is…
A. Carbon
B. Nitrogen
C. Oxygen
Which of the pair of terms is NOT related
A. sugar-carbohydrate
B. polypeptide-nucleic acid
C. fat-lipid
D. starch-carbohydrate
What can cause a protein/enzyme to denature?
A. High temperature, extreme pH, or exposure to certain chemicals
B. Low temperature and neutral pH
C. Mild pH and exposure to certain chemicals
D. High temperature and exposure to water
Which of the following are factors that can effect the rate of enzyme activity?
A. Only Temperature & pH
B. Only Amount of substrate & enzyme present
C. All of the above
D. None of the above
An organic molecule always…
A. contains carbon and hydrogen
B. is derived from plant cells
C. requires oxygen
D. undergoes osmosis from a high concentration to a low concentration
What is the function of nucleic acids?
A. store genetic information
B. store energy (long-term)
C. store energy (short-term)
D. build skin, hair, nails, muscles
Which is correct?
A. deoxyribonucleic acid
B. dioxyribonucleic acid
C. deoxirybonucliec acid
D. deoxyribonucleic aced
Which elements provides the backbone for all biomolecules?
A. carbon, oxygen
B. carbon, oxygen, hydrogen
C. carbon, oxygen hydrogen, nitrogen
D. carbon, oxygen, hydrogen, nitrogen, phosphorus
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