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Worksheets

Biochemistry

Total questions: 71

Worksheet time: 36mins

Name
Class
Date
1.
Almost all Biomolecules contain the element _____.
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Phosphate
2.
Carbon is responsible for the diversity of life because they can do all of the following except...
a)
Bond with 4 other atoms
b)
Create compounds that vary is shape
c)
Form straight chains, branched, and ringed molecules
d)
None of the above.
3.
Polymers are...
a)
Macromolecules (large molecules) formed by identical, repeating,  smaller molecules connected by covalent bonds
b)
Small molecules made of various elements
4.
Monomers are..
a)
Macromolecules (large molecules) formed by identical, repeating,  smaller molecules connected by covalent bonds
b)
Small molecules made of various elements
5.
The function of a carbohydrate is to...
a)
Main source of energy & provide structural support
b)
Store energy, provide insulation, and provide  steroids
c)
transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones
d)
stores, transmits,  & communicates genetic information
6.
The function of lipids is to...
a)
Main source of energy & provide structural support
b)
Store energy, provide and steroids
c)
transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones
d)
stores, transmits,  & communicates genetic information
7.
The function of proteins is to...
a)
Main source of energy & provide structural support
b)
Store energy, provide and steroids
c)
transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones
d)
stores, transmits,  & communicates genetic information
8.
The function of nucleic acids is to...
a)
Main source of energy & provide structural support
b)
Store energy, provide and steroids
c)
transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones
d)
stores, transmits,  & communicates genetic information
9.
Carbohydrates are made mostly of...
a)
C, H, & O (in a 1: 2 : 1 ratio)
b)
C, H
c)
C, N, O, H, S
d)
C, N, O, H, P
10.
Fats (triglycerides), phospholipids, and steroids are examples of....
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
11.
An _________ fat is liquid at room temperature. The carbon atoms can bond with more hydrogen atoms.
a)
Lipid
b)
Unsaturated 
c)
Saturated 
d)
Phospholipids
12.
Phospholipids are lipids that...
a)
Provide a barrier by making up cell membranes
b)
include cholesterol and hormones like estrogen and testosterone
c)
Prevent water loss
13.
Steroids...
a)
Provide a barrier by making up cell membranes
b)
include cholesterol and hormones like estrogen and testosterone
c)
Prevent water loss
14.
Which of the following are found on nutrition labels?
a)
Total fats (saturated & unsaturated fat)
b)
Steroids
c)
Nucleic Acids
d)
Phospholipids
15.
The monomer of proteins is...
a)
Simple Sugars
b)
Amino Acids
c)
Nucleotide
d)
Fatty Acids
16.
A sugar made of only one ring is called...
a)
Monosaccharide
b)
Disaccharide
c)
Polysaccharide
d)
Carbohydrate
17.
The bonds that connect amino acids together are called...
a)
Peptide bond
b)
Covalent bond
c)
Ionic bond
d)
Phosphate bond
18.
A sugar made of three or more carbohydrate rings is called...
a)
Monosaccharide
b)
Disaccharide
c)
Polysaccharide
d)
Carbohydrate
19.
The monomer of carbohydrates is...
a)
Simple Sugars
b)
Amino Acids
c)
Nucleotide
d)
Fatty Acids
20.
The monomer of nucleic acids is...
a)
Simple Sugars
b)
Amino Acids
c)
Nucleotide
d)
Fatty Acids
21.
How many amino acids are there?
a)
20
b)
4
c)
8
d)
Fatty Acids
22.
An _________ fat is solid at room temperature. The carbon atoms can are fully bonded and are unable to bond with more atoms.
a)
Lipids
b)
Unsaturated fats
c)
Saturated fats
d)
Phospholipids
23.
Lipids are made mostly of...
a)
C, H, & O (in a 1: 2 : 1 ratio)
b)
C, H
c)
C, N, O, H, S
d)
C, N, O, H, P
24.
Proteins are made mostly of...
a)
C, H, & O (in a 1: 2 : 1 ratio)
b)
C, H
c)
C, N, O, H, S
d)
C, N, O, H, P
25.
Nucleic Acids are made mostly of...
a)
C, H, & O (in a 1: 2 : 1 ratio)
b)
C, H
c)
C, N, O, H, S
d)
C, N, O, H, P
26.
How is an amino acid made?
a)
Different combinations of 20 amino acids are bonded together by peptide bonds
b)
Different combinations of 4 nucleotides, 5 carbon sugar, and phosphate bonded together 
c)
Carbon, hydrogen, and oxygen bonded together in a 1:2:1 ratio 
d)
C and H are bonded together to form long chains
27.
How is a nucleic acid made?
a)
Different combinations of 20 amino acids are bonded together by peptide bonds
b)
Different combinations of 4 nucleotides, 5 carbon sugar, and phosphate bonded together 
c)
Carbon, hydrogen, and oxygen bonded together in a 1:2:1 ratio 
d)
C and H are bonded together to form long chains
28.
How is a carbohydrate made?
a)
Different combinations of 20 amino acids are bonded together by peptide bonds
b)
Different combinations of 4 nucleotides, 5 carbon sugar, and phosphate bonded together 
c)
Carbon, hydrogen, and oxygen bonded together in a 1:2:1 ratio 
d)
C and H are bonded together to form long chains
29.
How are lipids made?
a)
Different combinations of 20 amino acids are bonded together by peptide bonds
b)
Different combinations of 4 nucleotides, 5 carbon sugar, and phosphate bonded together 
c)
Carbon, hydrogen, and oxygen bonded together in a 1:2:1 ratio 
d)
C and H are bonded together to form long chains
30.
After an amino acid sequence is made ____ bonds help the protein fold up into tieriary and quarternary structures.
a)
covalent 
b)
ionic
c)
hydrogen bonds & vader waals
31.
______ are involved in nearly every function of your body. 
a)
lipids
b)
proteins
c)
nucleic acids
d)
carbohydrates
32.
Your body contains about ____ different proteins.
a)
10,000
b)
100
c)
1,000
d)
100,000
33.
RNA & DNA are types of...
a)
Proteins
b)
Nucleic Acids
c)
Carbohydrates
d)
Lipids
34.
a)
Protein
b)
Amino Acid
c)
Nucleotide
d)
Nucleic Acid
35.
a)
Protein
b)
Amino Acid
c)
Nucleotide
d)
Nucleic Acid
36.
a)
Protein
b)
Amino Acids
c)
Nucleotide
d)
Nucleic Acid
37.
a)
Protein
b)
Amino Acid
c)
Nucleotide
d)
Nucleic Acid
38.
a)
Protein
b)
Nucleic Acid
c)
Nucleotide
d)
Carbohydrate
39.
a)
Protein
b)
Nucleic Acid
c)
Nucleotide
d)
Carbohydrate
40.
a)
Protein
b)
Nucleic Acid
c)
Nucleotide
d)
Carbohydrate
41.
a)
Amino Acid
b)
Protein
c)
Nucleic Acid
d)
Nucleotide
42.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
43.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
44.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
45.
Blue part of an amino acid is called
a)
Carboxyl Group
b)
Amino Group
c)
R-Group
d)
Nucleic Acid
46.
Green part of an amino acid is called
a)
Carboxyl Group
b)
Amino Group
c)
R-Group
d)
Nucleic Acid
47.
Purple part of an amino acid is called
a)
Carboxyl Group
b)
Amino Group
c)
R-Group
d)
Nucleic Acid
48.
Green part of a nucleic acid is...
a)
Nitrogenous Base
b)
5-Carbon Sugar
c)
Phosphate Group
d)
Amino Group
49.
Blue part of a nucleic acid is...
a)
Nitrogenous Base
b)
5-Carbon Sugar
c)
Phosphate Group
d)
Amino Group
50.
Grey part of a nucleic acid is...
a)
Nitrogenous Base
b)
5-Carbon Sugar
c)
Phosphate Group
d)
Amino Group
51.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
52.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
53.
a)
Complex Carbohydrate
b)
Simple Sugar
c)
Unsaturated Fat
d)
Saturated Fat
54.
Smaller units called _____ joint together to form _____.
a)
Monomer, Polymers
b)
Polymer, Monomer
c)
Nucleotides, Nucleic Acids
d)
Amino Acids, Proteins
55.
Examples of carbohydrates include...
a)
Glucose, Galactose, fructose, starch, glycogen
b)
Fatty Acids, Steroids, Phospholipids
c)
DNA, RNA
d)
Hemoglobin, 
56.
Examples of proteins include...
a)
Glucose, Galactose, fructose, starch, glycogen
b)
Fatty Acids, Steroids, Phospholipids
c)
DNA, RNA
d)
Hemoglobin
57.
Examples of lipids include...
a)
Glucose, Galactose, fructose, starch, glycogen
b)
Fatty Acids, Steroids, Phospholipids
c)
DNA, RNA
d)
Hemoglobin
58.
Examples of nucleic acids include...
a)
Glucose, Galactose, fructose, starch, glycogen
b)
Fatty Acids, Steroids, Phospholipids
c)
DNA, RNA
d)
Hemoglobin
59.
Which of the following are examples of polysaccharides?
a)
starch & glycogen
b)
fructose
c)
lactose
d)
glucose
60.
How does RNA differ from DNA?
a)
RNA is made of U, A, G, C, contains the sugar ribose, and is single-stranded.
b)
DNA is made of U, A, G, C contains the sugar ribose, and is single-stranded.
c)
DNA is made of C, A, G, T, contains the sugar ribose, and is double-stranded.
d)
DNA is made of U, A, G, C, contains the sugar deoxyribose, and is single-stranded.
61.
Lipids are usually made of two parts. The part in blue is called.
a)
Fatty acids
b)
Glycerol
c)
Peptide bonds
d)
Carboxyl group
62.
Lipids are usually made of two parts. The part in yellow is called.
a)
Fatty acids
b)
Glycerol
c)
Peptide bonds
d)
Carboxyl group
63.
A steroid is a type of lipid. They serve as chemical messengers  _____ are examples of steroids.
a)
Fatty acids
b)
Glycerol
c)
Hormones
d)
Oils
64.
Which of the following is an example of a saturated fat?
a)
Butter
b)
Corn Oil
c)
Canola Oil
d)
Peanut Oil
65.
Saturated fats differ from unsaturated fats...
a)
Have one or more double bonds
b)
Have a "kinked" tail
c)
Solid at room temp
d)
Liquid at room temp
66.
Unsaturated fats differ from saturated fats...
a)
Composed of only single bonds
b)
Have straight tails
c)
Have kinked tails because of double bonds
d)
Solid at room temp
67.
Which of the following is an example of an unsaturated fat?
a)
Butter
b)
Mayo
c)
Margarine
d)
Olive oil
68.
The picture is an example of a protein's ________. 
a)
Primary Structure
b)
Secondary Structure
c)
Tertiary Structure
d)
Quarternary Structure
69.
The picture is an example of a protein's ________. 
a)
Primary Structure
b)
Secondary Structure
c)
Tertiary Structure
d)
Quarternary Structure
70.
The picture is an example of a protein's ________. 
a)
Primary Structure
b)
Secondary Structure
c)
Tertiary Structure
d)
Quarternary Structure
71.
The picture is an example of a protein's ________. 
a)
Primary Structure
b)
Secondary Structure
c)
Tertiary Structure
d)
Quarternary Structure