wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biochemistry Multiple Choice Test II

Total questions: 148

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

The field of science that focuses on the study of enzymes and their reactions is called:

a)

Enzymatic Studies

b)

Enzymology

c)

Protein Chemistry

d)

Catalysis

2.

The specific site on an enzyme where the substrate attaches and a reaction occurs is known as the:

a)

Coenzyme site

b)

Active site

c)

Product pocket

d)

Binding region

3.

The equal pairing of nitrogenous bases in DNA was first explained by:

a)

Rosalind Franklin

b)

Watson and Crick

c)

Erwin Chargaff

d)

Emil Fischer

4.

Every tRNA molecule carries a set of three complementary bases known as the:

a)

Codon

b)

Ribosome loop

c)

Anticodon

d)

Peptide bond

5.

According to Fischer’s Lock and Key Theory, enzyme and substrate interaction occurs because:

a)

The enzyme permanently changes shape

b)

The substrate fits perfectly into the enzyme’s active site

c)

The substrate modifies the enzyme

d)

The enzyme has many binding sites

6.

The process of breaking down complex molecules into simpler ones to release energy is called:

a)

Polymerization

b)

Glycolysis

c)

Hydrolysis

d)

Biosynthesis

7.

The sugar that forms powder puff–shaped crystals is:

a)

Glucose

b)

Sucrose

c)

Lactose

d)

Maltose

8.

RNA, like DNA, is synthesized in which direction?

a)

3′ to 5′

b)

5′ to 3′

c)

Random orientation

d)

Both directions

9.

The condition in which the liver becomes abnormally enlarged is called:

a)

Cardiomegaly

b)

Hepatomegaly

c)

Myopathy

d)

Pancreatitis

10.

The enzyme Papain used in meat tenderizers is obtained from the:

a)

Banana stem

b)

Ginger root

c)

Fruit pulp of papaya

d)

Latex of papaya (Carica papaya)

11.

Which statement about pyrimidine bases is correct?

a)

They have two fused rings.

b)

They consist of a single ring structure.

c)

They form three bonds with purines.

d)

They contain ribose units.

12.

The first stage in transcription, where RNA synthesis begins, is called:

a)

Translation

b)

Elongation

c)

Initiation

d)

Termination

13.

The most abundant type of carbohydrate in nature is the:

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Oligosaccharide

14.

The enzyme responsible for blood clot formation by converting fibrinogen into fibrin is:

a)

Fibrinolysin

b)

Trypsin

c)

Thrombin

d)

Catalase

15.

The condition that damages the retina and can cause blindness in diabetics is called:

a)

Otitis

b)

Retinopathy

c)

Neuropathy

d)

Myopia

16.

The temporary molecule formed when an enzyme binds to its substrate is called the:

a)

Transition compound

b)

Activation complex

c)

Enzyme–substrate complex

d)

Intermediate enzyme

17.

The most abundant glycosaminoglycan (GAG) present in cartilage and connective tissues is:

a)

Heparin

b)

Chondroitin sulfate

c)

Keratan sulfate

d)

Hyaluronic acid

18.

Adenosine monophosphate (AMP) is also referred to as:

a)

Adenosine phosphoric acid

b)

Adenylic acid

c)

Adenosine diphosphate

d)

Adenosine triphosphate

19.

The form of diabetes that usually appears in childhood and requires insulin injections is:

a)

Type II Diabetes

b)

Type I Diabetes

c)

Gestational Diabetes

d)

Secondary Diabetes

20.

A biological catalyst that functions only in living organisms is called a/an:

a)

Hormone

b)

Coenzyme

c)

Enzyme

d)

Substrate

21.
What is not a type of carbohydrate?
a)
Fat
b)
Fiber
c)
Starch
d)
Sugar
22.
Which foods do not contain natural sugar?
a)
apple
b)
milk
c)
strawberry
d)

they all do

23.

What health problems are a consequence of consuming excessive carbohydrates?

a)

Weight Loss

b)

Dizziness

c)

Type 2 Diabetes

d)

all of the above

24.

___________ is sugar found in fruit, honey and vegetables.

a)

Maltose

b)

Lactose

c)

Fructose

d)

Sucrose

25.

What is the main function of carbohydrates?

a)

Main source of energy, immune health, digestive health and regulate body processes.

b)

Main source of energy, spares protein, digestive health and fullness.

c)

Main source of energy, cell growth and vitamin absorption.

d)

Last energy resort, growth and repair, immune health and regulate body processes.

26.

Carbohydrates can be divided into 2 general sections. The sections are:

a)

Single and compound

b)

Simple and complex

c)

Single and complex

d)

Simple and compound

27.

Fruits, deserts, sweets, white flour, and sweets are __________ carbohydrates. Which type of carbohydrates are they?

a)

Simple 

b)

Complex

28.

Complex carbohydrates, also known as polysaccharides, are starches formed by longer saccharide chains (10+), which means they take longer to break down?

a)

True

b)

False

29.

What is an example of a polysaccharide?

a)

White bread

b)

Honey

c)

Sports Drinks

d)

Brown rice

30.

Wholegrain carbohydrates contain which of the following nutrients?

a)

Fiber

b)

Minerals

c)

Vitamins

d)

All of the above

31.

Glucose and glycogen are examples of how carbohydrates...

a)

Are stored and circulate.

b)

Circulate and are stored.

c)

Are stored in the liver and muscles.

d)

Provide energy to the body.

32.

What is the health effect of a low CHO Diet (<50%)?

a)

Weight gain, risk of type 2 diabetes & heart disease.

b)

Strokes, weight loss & vitamin deficiency.

c)

Headaches, weakness, weight loss, dizziness and irritability.

d)

Osteoporosis, liver & kidney damage.

33.

What is the Recommended Daily Allowance (RDA) of carbohydrates for non-endurance based sports?

a)

30-40%

b)

40-50%

c)

50-60%

d)

65-70%

34.

Glucose (honey, jam, soft drinks) are examples of...

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

35.

where does vitamins, minerals, and fiber are commonly found?

a)

Simple CHO

b)

Complex CHO

c)

Unsaturated fats

d)

Complete proteins

36.

What is the Glycemic (GI) Index, and how does it impact?

a)

A measure of the amount of sugars in CHO.

b)

A measure of how CHO foods affect blood sugar levels.

c)

A measure of how white bread, sweets and eggs affect blood sugar levels.

d)

A measure of how CHO foods lower blood sugar levels.

37.

High GI foods give you what type of energy?

a)

Short term

b)

Long lasting

c)

Energy for endurance sports.

d)

Energy for sprinting.

38.

Low Glycaemic index foods give you what type of energy?

a)

Energy for explosive sports

b)

Short term energy

c)

Energy for sprinting

d)

Long lasting energy

39.

Which of the following options indicates that the food is digested slower according to the Glycemic index?

a)

True

b)

False

40.

What might happen to a person named William who constantly spikes their blood sugar throughout the day?

a)

Might develop insulin resistance, type 2 diabetes, blindness and kidney failure.

b)

Might develop headaches, dizziness and fatigue.

c)

Might become obese

d)

All of the above

41.

Hey Maya, David, and Aiden! Let's have some fun with this question. Can you all help me out by selecting all of the low GI foods?

a)

Beans

b)

Chips

c)

Apples

d)

Wholemeal Spaghetti

e)

Sweets

42.

Which of the following high GI foods would Henry, Abigail, and Aiden enjoy?

a)

Brown Brown

b)

White bread

c)

Cornflakes

d)

Cornflakes

e)

Sweetcorn

43.

Which hormone stimulates the body cells of Abigail, Aiden, and Emma to take up and store excess glucose?

a)

Insulin

b)

Glucagon

c)

Both insulin and glucagon

d)

None are correct

44.

High GI foods cause which of the following...

a)

a rapid rise and fall in blood sugar levels

b)

a gradual rise and fall in blood sugar levels

c)

a rapid rise and slow fall in blood sugar levels

45.

Which of the following options describes what Nucleic Acids are?

a)

DNA and RNA

b)

Polynucleotides

c)

Polymers

d)

All of these

46.

Building blocks of nucleic acid are

a)

Nitrogen bases

b)

Nucleoside

c)

Nucleotide

d)

Amino acid

47.

Which nucleotide is known as the 'Adenine'?

a)

Adenine

b)

Adenosine

c)

Adenylic acid

d)

Adenine sugar

48.

Deoxyribose sugar is present in

a)

DNA only

b)

RNA only

c)

DNA and RNA

d)

t-RNA

49.

Which of the following components make up DNA?

a)

Phosphate

b)

Deoxyribose sugar

c)

A, T, G, C

d)

A, U, G, C

50.

In a biology class, Anika, Avery, and Zoe are learning about nucleic acids. They are discussing how nucleotides are connected with each other. Which of the following bonds connects nucleotides in nucleic acids?

a)

Phosphate bond

b)

Phospho diester bond

c)

Peptide bond

d)

Ester bond

51.

Which of the following are examples of purine bases?

a)

Adenine and Guanine

b)

Thymine and Cytosine

c)

Adenine only

d)

Guanine only

52.

Who proposed the most accepted model of DNA?

a)

Watson and Crick

b)

Jacob and Monad

c)

Korenberg

d)

Frederick Mischer

53.

Protein synthesis is the main function of

a)

t-RNA

b)

r-RNA

c)

m-RNA

d)

All types of RNA

54.

In a biology class, Samuel asked the teacher, 'In eukaryotes, where is DNA mainly present?'

a)

Nucleus

b)

Cytoplasm

c)

Ribosome

d)

Golgi Complex

55.

Uracil is

a)

Pyrimidine

b)

Present only in RNA

c)

Pairs with Adenine

d)

All of the above

56.

Which nucleotide pairs with adenine?

a)

Thymine only

b)

Uracil only

c)

Thymine and Uracil

d)

Guanine

57.

RNA is usually

a)

Single stranded

b)

Double stranded

c)

Triple stranded

d)

All of these

58.

What is formed when nitrogen base, sugar, and phosphate combine?

a)

Nucleotide

b)

Nucleoside

c)

Nitrogen base pairs

d)

Double helix

59.
The diagram below illustrates a biochemical process that occurs in organisms. What is another name for the substance labeled "catalyst"?
a)
Enzyme
b)
inorganic compound
c)
Hormone
d)
Antibody
60.
What is the monomer of a protein?
a)
Amino Acid
b)
Nucleic Acid
c)
Monosaccharide
d)
Nucleotide
61.

There are _____ different kinds of amino acids. Can you guess how many different kinds of amino acids are there?

a)

20

b)

23

c)

46

d)

26

62.
The first step of building a protein creates a(n)
a)
amino acid chain (aka polypeptide chain)
b)
alpha helix or beta pleated sheet
c)
folded subunit
d)
2+ folded subunits combining together
63.

The structure of proteins can be changed by environmental factors such as temperature or pH.

a)

True

b)

False

64.

The order of the amino acids occur in the chain Which of the following is the correct order of amino acids?

a)

disulfide cross-link

b)

hydrophobic

c)

primary structure

d)

secondary structure

65.

Amino Acids: are the building blocks from which proteins are made.

a)

are a type of marinade.

b)

help transport fats in the body.

c)

are the building blocks from which proteins are made.

d)

are only found in plants.

66.

What is the purpose of an enzyme?

a)

give permission for the reaction

b)

raise activation energy

c)

speed up reactions

d)

control how many reactions occur

67.

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 .

68.
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
69.

Which of the following best describes a DNA molecule?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

70.

Why is DNA important?

a)

it is very small and very complicated

b)

it's in everything

c)

it serves as the blueprint for traits of all living things

d)

because we eat it every day for energy

71.

Guanine, a nitrogenous base, forms a strong bond with ______________. Can you guess which one?

a)

Adenine

b)

Guanine

c)

Cytosine

d)

Thymine

72.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
73.

In a biology class, Abigail is learning about DNA. She reads a question: 'In DNA, Adenine bonds with ______________.' Which option below correctly completes the statement?

a)

Guanine

b)

Thymine

c)

Cytosine

d)

Adenine

74.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
75.

How would the DNA sequence GCTATA be transcribed to mRNA?

a)

GCUAUA

b)

CGATAT

c)

CGAUAU

d)

GCUTUT

76.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

77.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

What is the transcribed RNA sequence of TACGTTACT?

b)

Which of the following is the correct RNA sequence transcribed from TACGTTACT?

c)

Choose the RNA sequence that corresponds to the DNA sequence TACGTTACT.

d)

Identify the RNA sequence transcribed from TACGTTACT.

78.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
79.

Translate this RNA sequence: AUGCAAUGA

a)

Met-Glu-Stop

b)

Thr-Glu-Stop

c)

Met-His-Stop

d)

Thr-Pro-Stop

80.

In a biology class, Nora asked her teacher, 'In RNA, Uracil pairs with ______.' What would be the correct answer?

a)

cytosine

b)

adenine

c)

guanine

d)

thymine

81.

What is the mRNA strand that would be created from this DNA strand:
T A C A G G C C T?

a)

A C G T C C G G A

b)

A U G U C C G G A

c)

T U G G G C C A T

d)

U T G U C C G G U

82.

Which amino acid is coded from the mRNA codon:
G G C?

a)

Arginine

b)

Serine

c)

Leucine

d)

Glycine

83.
Which codon can code for Serine?
a)
U G G 
b)
A G U
c)
C A A
d)
A U G
84.

Which amino acid is coded from the DNA segment:
G G T?

a)

Glutamine

b)

Arginine

c)

Glycine

d)

Proline

85.
What is not a type of carbohydrate?
a)
Fat
b)
Fiber
c)
Starch
d)
Sugar
86.
Which foods do not contain natural sugar?
a)
apple
b)
milk
c)
strawberry
d)

they all do

87.

What health problems are a consequence of consuming excessive carbohydrates?

a)

Weight Loss

b)

Dizziness

c)

Type 2 Diabetes

d)

all of the above

88.

___________ is sugar found in fruit, honey and vegetables.

a)

Maltose

b)

Lactose

c)

Fructose

d)

Sucrose

89.

What is the main function of carbohydrates?

a)

Main source of energy, immune health, digestive health and regulate body processes.

b)

Main source of energy, spares protein, digestive health and fullness.

c)

Main source of energy, cell growth and vitamin absorption.

d)

Last energy resort, growth and repair, immune health and regulate body processes.

90.

Carbohydrates can be divided into 2 general sections. The sections are:

a)

Single and compound

b)

Simple and complex

c)

Single and complex

d)

Simple and compound

91.

Fruits, deserts, sweets, white flour, and sweets are __________ carbohydrates. Which type of carbohydrates are they?

a)

Simple 

b)

Complex

92.

Complex carbohydrates, also known as polysaccharides, are starches formed by longer saccharide chains (10+), which means they take longer to break down?

a)

True

b)

False

93.

What is an example of a polysaccharide?

a)

White bread

b)

Honey

c)

Sports Drinks

d)

Brown rice

94.

Wholegrain carbohydrates contain which of the following nutrients?

a)

Fiber

b)

Minerals

c)

Vitamins

d)

All of the above

95.

Glucose and glycogen are examples of how carbohydrates...

a)

Are stored and circulate.

b)

Circulate and are stored.

c)

Are stored in the liver and muscles.

d)

Provide energy to the body.

96.

What is the health effect of a low CHO Diet (<50%)?

a)

Weight gain, risk of type 2 diabetes & heart disease.

b)

Strokes, weight loss & vitamin deficiency.

c)

Headaches, weakness, weight loss, dizziness and irritability.

d)

Osteoporosis, liver & kidney damage.

97.

What is the Recommended Daily Allowance (RDA) of carbohydrates for non-endurance based sports?

a)

30-40%

b)

40-50%

c)

50-60%

d)

65-70%

98.

Glucose (honey, jam, soft drinks) are examples of...

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

99.

where does vitamins, minerals, and fiber are commonly found?

a)

Simple CHO

b)

Complex CHO

c)

Unsaturated fats

d)

Complete proteins

100.

What is the Glycemic (GI) Index, and how does it impact?

a)

A measure of the amount of sugars in CHO.

b)

A measure of how CHO foods affect blood sugar levels.

c)

A measure of how white bread, sweets and eggs affect blood sugar levels.

d)

A measure of how CHO foods lower blood sugar levels.

101.

High GI foods give you what type of energy?

a)

Short term

b)

Long lasting

c)

Energy for endurance sports.

d)

Energy for sprinting.

102.

Low Glycaemic index foods give you what type of energy?

a)

Energy for explosive sports

b)

Short term energy

c)

Energy for sprinting

d)

Long lasting energy

103.

Which of the following options indicates that the food is digested slower according to the Glycemic index?

a)

True

b)

False

104.

What might happen to a person named William who constantly spikes their blood sugar throughout the day?

a)

Might develop insulin resistance, type 2 diabetes, blindness and kidney failure.

b)

Might develop headaches, dizziness and fatigue.

c)

Might become obese

d)

All of the above

105.

Hey Maya, David, and Aiden! Let's have some fun with this question. Can you all help me out by selecting all of the low GI foods?

a)

Beans

b)

Chips

c)

Apples

d)

Wholemeal Spaghetti

e)

Sweets

106.

Which of the following high GI foods would Henry, Abigail, and Aiden enjoy?

a)

Brown Brown

b)

White bread

c)

Cornflakes

d)

Cornflakes

e)

Sweetcorn

107.

Which hormone stimulates the body cells of Abigail, Aiden, and Emma to take up and store excess glucose?

a)

Insulin

b)

Glucagon

c)

Both insulin and glucagon

d)

None are correct

108.

High GI foods cause which of the following...

a)

a rapid rise and fall in blood sugar levels

b)

a gradual rise and fall in blood sugar levels

c)

a rapid rise and slow fall in blood sugar levels

109.

Which of the following options describes what Nucleic Acids are?

a)

DNA and RNA

b)

Polynucleotides

c)

Polymers

d)

All of these

110.

Building blocks of nucleic acid are

a)

Nitrogen bases

b)

Nucleoside

c)

Nucleotide

d)

Amino acid

111.

Which nucleotide is known as the 'Adenine'?

a)

Adenine

b)

Adenosine

c)

Adenylic acid

d)

Adenine sugar

112.

Deoxyribose sugar is present in

a)

DNA only

b)

RNA only

c)

DNA and RNA

d)

t-RNA

113.

Which of the following components make up DNA?

a)

Phosphate

b)

Deoxyribose sugar

c)

A, T, G, C

d)

A, U, G, C

114.

In a biology class, Anika, Avery, and Zoe are learning about nucleic acids. They are discussing how nucleotides are connected with each other. Which of the following bonds connects nucleotides in nucleic acids?

a)

Phosphate bond

b)

Phospho diester bond

c)

Peptide bond

d)

Ester bond

115.

Which of the following are examples of purine bases?

a)

Adenine and Guanine

b)

Thymine and Cytosine

c)

Adenine only

d)

Guanine only

116.

Who proposed the most accepted model of DNA?

a)

Watson and Crick

b)

Jacob and Monad

c)

Korenberg

d)

Frederick Mischer

117.

Protein synthesis is the main function of

a)

t-RNA

b)

r-RNA

c)

m-RNA

d)

All types of RNA

118.

In a biology class, Samuel asked the teacher, 'In eukaryotes, where is DNA mainly present?'

a)

Nucleus

b)

Cytoplasm

c)

Ribosome

d)

Golgi Complex

119.

Uracil is

a)

Pyrimidine

b)

Present only in RNA

c)

Pairs with Adenine

d)

All of the above

120.

Which nucleotide pairs with adenine?

a)

Thymine only

b)

Uracil only

c)

Thymine and Uracil

d)

Guanine

121.

RNA is usually

a)

Single stranded

b)

Double stranded

c)

Triple stranded

d)

All of these

122.

What is formed when nitrogen base, sugar, and phosphate combine?

a)

Nucleotide

b)

Nucleoside

c)

Nitrogen base pairs

d)

Double helix

123.
The diagram below illustrates a biochemical process that occurs in organisms. What is another name for the substance labeled "catalyst"?
a)
Enzyme
b)
inorganic compound
c)
Hormone
d)
Antibody
124.
What is the monomer of a protein?
a)
Amino Acid
b)
Nucleic Acid
c)
Monosaccharide
d)
Nucleotide
125.

There are _____ different kinds of amino acids. Can you guess how many different kinds of amino acids are there?

a)

20

b)

23

c)

46

d)

26

126.
The first step of building a protein creates a(n)
a)
amino acid chain (aka polypeptide chain)
b)
alpha helix or beta pleated sheet
c)
folded subunit
d)
2+ folded subunits combining together
127.

The structure of proteins can be changed by environmental factors such as temperature or pH.

a)

True

b)

False

128.

The order of the amino acids occur in the chain Which of the following is the correct order of amino acids?

a)

disulfide cross-link

b)

hydrophobic

c)

primary structure

d)

secondary structure

129.

Amino Acids: are the building blocks from which proteins are made.

a)

are a type of marinade.

b)

help transport fats in the body.

c)

are the building blocks from which proteins are made.

d)

are only found in plants.

130.

What is the purpose of an enzyme?

a)

give permission for the reaction

b)

raise activation energy

c)

speed up reactions

d)

control how many reactions occur

131.

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 .

132.
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
133.

Which of the following best describes a DNA molecule?

a)

double helix

b)

contains ribose

c)

made of amino acids

d)

contains Uracil

134.

Why is DNA important?

a)

it is very small and very complicated

b)

it's in everything

c)

it serves as the blueprint for traits of all living things

d)

because we eat it every day for energy

135.

Guanine, a nitrogenous base, forms a strong bond with ______________. Can you guess which one?

a)

Adenine

b)

Guanine

c)

Cytosine

d)

Thymine

136.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
137.

In a biology class, Abigail is learning about DNA. She reads a question: 'In DNA, Adenine bonds with ______________.' Which option below correctly completes the statement?

a)

Guanine

b)

Thymine

c)

Cytosine

d)

Adenine

138.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
139.

How would the DNA sequence GCTATA be transcribed to mRNA?

a)

GCUAUA

b)

CGATAT

c)

CGAUAU

d)

GCUTUT

140.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

141.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

What is the transcribed RNA sequence of TACGTTACT?

b)

Which of the following is the correct RNA sequence transcribed from TACGTTACT?

c)

Choose the RNA sequence that corresponds to the DNA sequence TACGTTACT.

d)

Identify the RNA sequence transcribed from TACGTTACT.

142.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
143.

Translate this RNA sequence: AUGCAAUGA

a)

Met-Glu-Stop

b)

Thr-Glu-Stop

c)

Met-His-Stop

d)

Thr-Pro-Stop

144.

In a biology class, Nora asked her teacher, 'In RNA, Uracil pairs with ______.' What would be the correct answer?

a)

cytosine

b)

adenine

c)

guanine

d)

thymine

145.

What is the mRNA strand that would be created from this DNA strand:
T A C A G G C C T?

a)

A C G T C C G G A

b)

A U G U C C G G A

c)

T U G G G C C A T

d)

U T G U C C G G U

146.

Which amino acid is coded from the mRNA codon:
G G C?

a)

Arginine

b)

Serine

c)

Leucine

d)

Glycine

147.
Which codon can code for Serine?
a)
U G G 
b)
A G U
c)
C A A
d)
A U G
148.

Which amino acid is coded from the DNA segment:
G G T?

a)

Glutamine

b)

Arginine

c)

Glycine

d)

Proline