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WorksheetsBiomolecules and Enzymes Review
Total questions: 47
Worksheet time: 25mins
Which of the following is not a function of carbohydrates?
Quick energy
Makes up cell walls of plants (cellulose)
Makes up cell walls of fungi (chitin)
Stores genetic information
Which of the following is not a function of a lipid?
Provides insulation for organisms
A major component of cell membranes
Provides long term energy storage
Speeds up chemical reactions
Which of the following is not a function of proteins?
Provides quick energy
A building block for several structures in organisms
Enzymes are proteins that help speed up chemical reactions
Are components of cell membranes
Nucleic acids store-
genetic information
energy
Which of the following does not correctly match the biomolecule with its monomer (building block)?
Protein: is made up of amino acids
Nucleic acid: is made up of amino acids
Nucleic acid: is made up of nucleotides
Carbohydrate: is made up of monosaccharides
What is the function of an enzyme?
It speeds up chemical reactions in cells
They provide energy to the cell
They make up structures in cells
What is structure 1 and 4?
The enzyme
The product
The substrate
The active site
What is structure 2?
The substrate
The product
The enzyme
The enzyme-substrate complex
What is structure 5?
The products
The enzyme
The active site
The substrates
How do enzymes speed up reactions?
The decrease the activation energy
The change the products made in the reaction
They do not affect the rate or speed of a reaction
They increase the activation energy
What is the activation energy?
The energy needed to start a chemical reaction
The energy needed to start doing your work in class
The speed or rate of a reaction
Which of the following is an enzyme?
Amylase
Fructose
Peptidoglycan
Glycine
What is a catalyst?
A substance that slows down a reaction
A substance that speeds up a reaction
A substance the stops a reaction
A substance that explodes
Where will this substrate bind?
At the active site
On the inhibitor
On the product
Not on the enzyme
(question 8) What are the four biological molecules?
proteins, carbohydrates, lipids, nucleic acids
proteins, enzymes, cells, lipids
water, air, earth, and fire
carbon, oxygen, nitrogen, phosphorous
(question 13) All polymers are made up of...
monosaccharides
monomers
proteins
None of these
(question 17) A monomer is ...
a single atom
a building block for polymers
a single element
is an inorganic molecule
(question 20) Which biomolecule has the greatest source of energy?
Enzymes
Carbohydrates
Lipids
Proteins
Lipids and carbohydrates can be used as....
building blocks for RNA
catalysts for metabolic reactions
sources of energy
biological catalysts
Which of the following represents the amount of activation energy of a chemical reaction with an enzyme?
A
B
C
A, B, and C.
Which biomolecule makes up cell membranes?
Protein
Carbohydrate
Lipid
Nucleic acid
What is another name for biomolecules
Macromolecules
Living molecules
Biochemicals
Big molecules
Which biomolecules are necessary in muscle contraction and in the formation of digestive enzymes?
Carbohydrates
Lipids
Proteins
Nucleic Acids
Which biomolecule is in charge of storing and expressing genetic information?
Carbohydrates
Lipids
Proteins
Nucleic Acids
Which biomolecules play a role in the immune system and in the structure of the cytoskeleton?
Carbohydrates
Lipids
Proteins
Nucleic Acids
Which biomolecule offers structural support to plants and animals with exoskeleton?
Carbohydrates
Lipids
Proteins
Nucleic Acids
Which biomolecule is a key part of the cell membrane and is needed in the formation of hormones?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which biomolecule has twice as much energy per gram as other biomolecules?
Carbohydrates
Lipids
Nucleic Acids
Proteins
Which biomolecule is one of the main sources of energy in the human body?
Carbohydrates
Lipids
Proteins
Nucleic acids
What is the name of a carbohydrate polymers?
Polysaccharides
Triglycerides
Polypeptides
DNA and RNA
What is the name of lipid polymers?
Polysaccharides
Triglycerides
Polypeptides
DNA and RNA
What is the name of protein polymers?
Polysaccharides
Triglycerides
Polypeptides
DNA and RNA
What is the name of nucleic acid polymers?
Polysaccharides
Triglycerides
Polypeptides
DNA and RNA
What biomolecules consists of three parts: 5-Carbon Sugar, phosphate group, and a Nitrogen Base
Nucleotide
Molecule
Molecule
Carbohydrate
What term describes all of the chemical reactions within each cell of an organism?
Energy
Enzymes
Metabolism
Homeostasis
If the activation energy of a biochemical reaction is lowered, what happens to the rate of the reaction?
it will speed up.
it will slow down.
the rate will not be affected.
What is the term that describes where reactants bind to enzymes called?
Substrate
Product
Activation Energy
Active Site
