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WorksheetsBiochemistry
Total questions: 45
Worksheet time: 27mins
Name
Class
Date
1.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
2.
Which biomolecule contains enzymes?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
3.
Which biomolecule contains pastas and breads?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
4.
Which biomolecule is made of nucleotides and contains your DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
5.
Which biomolecule helps form muscles?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
6.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
7.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
8.
Which biomolecule contains your genetics?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
9.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
10.
Which biomolecule is your main source of energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
11.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
12.
Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones
a)
Nucleic Acid
b)
Lipids
c)
Carbohydrate
d)
Protein
13.
Which biomolecule's monomer (or building block) is nucleotides?
a)
Lipids
b)
Proteins
c)
Carbohydrate
d)
Nucleic Acid
14.
Which biomolecule's monomer (or building block) is amino acids?
a)
Lipids
b)
Proteins
c)
Nucleic Acid
d)
Carbohydrate
15.
Which biomolecule's monomer (or building block) is glycerol and fatty acid?
a)
Lipids
b)
Proteins
c)
Carbohydrate
d)
Nucleic Acid
16.
Which biomolecule's monomer (or building block) is monosaccharide?
a)
Lipids
b)
Proteins
c)
Carbohydrate
d)
Nucleic Acid
17.
Glucose is an example of a
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
18.
The monomer of a protein is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
19.
Enyzmes are a very important type of protein used to
a)
Build bones in skeleton
b)
Send hormonal signals throughout body
c)
Speed up chemical reactions
d)
Photosynthesize glucose in plants
20.
The monomer of a nucleic acid is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
21.
Which item is NOT a lipid?
a)
Wax
b)
Fats
c)
Oil
d)
Amino Acid
22.
What job does Nucleic Acid have?
a)
Insulation
b)
Store genetic information
c)
Regulate cell processes
d)
Quick energy
23.
Lipids serve which function in a cell?
a)
store information
b)
store energy
c)
breakdown wastes
d)
join with substrates
24.
What is the main goal of enzymes?
a)
lower the activation energy
b)
raise the activation energy
c)
slow the reaction rate
d)
find other molecules
25.
Which biomolecule determines the traits of organisms?
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
26.
All of the following are parts of a nucleotide except?
a)
Phosphate Group
b)
Nitrogen Base
c)
Amino Group
d)
Deoxyribose/Ribose sugar
27.
What are the 3 parts of nucleotide that make up DNA?
a)
Sugar, amino acid, nitrogen
b)
Dissacharide, nitrogen base, amino acid
c)
sugar, nitrogen base, phosphate group
d)
Phosphate group, protein, sugar
28.
The two types of nucleic acids are
a)
Chlorophyll and Halitosis
b)
DNA & RNA
c)
Lipids and Sugars
d)
Glucose and Glycogen
29.
Which of the following is a large molecule of many simple sugars?
a)
Monosaccharide
b)
Disaccharide
c)
Polysaccharide
d)
Googlesaccharide
30.
Which of the following is a large molecule of one sugar?
a)
Monosaccharide
b)
Disasacchairde
c)
Polysaccharide
d)
Googlesaccharide
31.
Which are enzymes?
a)
simple carbohydrates
b)
proteins that speed up chemical reactions
c)
lipids that make up the cell membrane
d)
a building block of DNA
32.
The loss of a protein's structure is called...
a)
Denaturation
b)
Unfolding
c)
Coiling
d)
Inactivation
33.
The substance on which an enzyme acts is the:
a)
product
b)
substrate
c)
active site
d)
activation energy
34.
Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?
a)
reducing the number of products
b)
reducing the activation energy
c)
increasing the temperature of the cell
d)
increasing the concentration of reactants
35.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
36.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
37.
What is structure C?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
38.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
39.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
40.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
41.
Which of the following does NOT affect an enzyme?
a)
pH
b)
Temperature
c)
Salt
d)
Lipids
42.
What is the activation energy?
a)
The energy of the products
b)
The energy of the reactants
c)
The minimum energy needed by the reactants to form the products.
d)
The energy lost in the reaction
43.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
44.
Base your answers on the graph and your knowledge of biology.
Neither enzyme works at a pH of
Neither enzyme works at a pH of
a)
1
b)
5
c)
3
d)
13
45.
Which Biomolecule contains the most energy?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
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