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DNA to Proteins p1 2025

Total questions: 69

Worksheet time: 35mins

Name
Class
Date
1.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
2.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
3.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
4.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
5.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
6.
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
7.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
8.

What is represented by letter C in this image of the nucleotide?

a)

Deoxyribose sugar

b)

Phosphate group

c)

Nitrogenous base

9.

What is represented by letter A in this image of the nucleotide?

a)

Deoxyribose sugar

b)

Phosphate group

c)

Nitrogenous base

10.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
11.

What is represented by letter B in this image of the nucleotide?

a)

Deoxyribose sugar

b)

Phosphate group

c)

Nitrogenous base

12.

Which of the following show correctly matched complimentary base pairs? (Select ALL that apply)

a)

A=T

b)

A=G

c)

G=C

d)

C=A

e)

T=A

13.
What is the shape of DNA?
a)
Double Circular
b)
Ladder
c)
Helix
d)
Double Helix
14.

What is DNA's role, or job?

a)

Storing genetic information

b)

Producing proteins

c)

Regulating cell functions

d)

Transporting oxygen

15.

What is a Nucleotide?

a)

Energy molecule

b)

Cell organelle

c)

Type of protein

d)

Building block of DNA

16.

What does Complementary Base Pairing mean?

a)

Specific pairing of A with T, and G with C

b)

Pairing of A with C, and T with G

c)

Random pairing of nucleotides

d)

Pairing of A with G, and T with C

17.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

18.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

19.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

20.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

21.

You can find DNA ONLY in...

a)

animals

b)

all living cells

c)

plants

d)

bacteria

22.

A segment of DNA that has the ability to code for a specific trait.

a)

gene

b)

allele

c)

chromosome

d)

chromatid

23.

A section of DNA molecule that contains the information to code for a specific protein.

a)

Genes

b)

Chromosomes

c)

Ribosome

d)

Messenger RNA

e)

Transfer RNA

24.

In what organelle does protein synthesis occur?

a)

Chromosomes

b)

Messenger RNA

c)

Protein synthesis

d)

Ribosome

e)

Transfer RNA

25.

Copies the coded message from the DNA in the nucleus, and carries the message to the ribosomes in the cytoplasm.

a)

Genes

b)

Protein synthesis

c)

Ribosome

d)

Messenger RNA

e)

Transfer RNA

26.

Making up your genetic traits by controlling the production of proteins in an organism’s cells is the main function of?:

a)

Chromosomes

b)

Genes

c)

Messenger RNA

d)

Ribosome

e)

Transfer RNA

27.

Differences between DNA and RNA:

The genetic messenger, ribonucleic acid

a)

DNA molecules

b)

RNA molecules

28.

Differences between DNA and RNA:

Made up of a Double strand instead of Single strand

a)

DNA molecules

b)

RNA molecules

29.

Differences between DNA and RNA:

Made up of the four bases :

Adenine (A), Uracil (U), Guanine (G), Cytosine (C)

a)

DNA molecules

b)

RNA molecules

30.

Differences between DNA and RNA:

Made up of the four bases :

Adenine (A), Uracil (U), Guanine (G), Cytosine (C)

a)

DNA molecules

b)

RNA molecules

31.

Differences between DNA and RNA:

Made up of the four bases :

Adenine (A), Thymine (T), Guanine (G), Cytosine (C)

a)

DNA molecules

b)

RNA molecules

32.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

33.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
34.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
35.

What nucleotide does RNA have that DNA does NOT have?

a)

Thymine

b)

Uracil

c)

Adenine

d)

Cytosine

36.
Which of the following molecules is made during transcription?
a)
DNA
b)
tRNA
c)
protein
d)
mRNA
37.
Transcribe the following sequence of DNA into RNA:
AAG   CTT   TGC
a)
TTC  GAA  ACG
b)
UUC  GAA ACG
c)
TTC  GUU  UCG
d)
UUC  GUU  UCG
38.
Which of the following is a base that is NOT contained in DNA?
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
39.

In RNA, the base Adenine (A) pairs with...

a)

G

b)

G or T

c)

U

d)

T

40.
A portion of mRNA is coded CUG. The corresponding DNA is coded
a)
GAC
b)
GTC
c)
CTG
d)
CAG
41.
A portion of DNA reads GAG. The corresponding mRNA would be
a)
GUG
b)
GTG
c)
CTC
d)
CUC
42.
The DNA sequence TACGAA would be transcribed to
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
43.
A segment of DNA that codes for a protein is called a...
a)
Enzyme
b)
Mutation
c)
Gene
d)
Complimentary
44.
Which of the following is a correct difference between RNA and DNA?
a)
RNA is single stranded and DNA is double stranded
b)
RNA is double stranded and DNA is single stranded
c)
DNA uses Uracil and RNA uses Thymine
d)
RNA has deoxyribose and DNA has ribose
45.

What is the function of RNA?

a)
Storing genetic information in the nucleus
b)
Carrying instructions from DNA for controlling the synthesis of proteins
c)
Producing energy for the cell
d)
Regulating cell metabolism
46.

What nucleotides are the components of RNA?

a)

A T G U

b)

A C T U

c)

A C G T

d)

A C G U

47.

What is the correct sequence of protein synthesis?

a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
48.

Where are proteins made?

a)

ER

b)

nucleus

c)

cytoplasm

d)

mitochondria

49.

Where is DNA and RNA made?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

ER

50.
I am a single strand.
a)
DNA
b)
RNA
51.
I am a single strand.
a)
DNA
b)
RNA
52.
I am arranged as a double helix or "twisted ladder".
a)
DNA
b)
RNA
53.

I travel outside of the nucleus.

a)

DNA

b)

RNA

54.

I travel outside of the nucleus.

a)

DNA

b)

RNA

55.

Why does DNA stay in the nucleus?

a)

To protect it from becoming damaged.

b)

It is lazy.

c)

It is grounded.

d)

It cannot move.

56.

Why does DNA stay in the nucleus?

a)

To protect it from becoming damaged.

b)

It is lazy.

c)

It is grounded.

d)

It cannot move.

57.
WHY must we use RNA if we already have genetic code in DNA?
a)
RNA is portable and can be read by the ribosome
b)
RNA is more accurate than DNA
c)
The cell needs a backup code and uses RNA
d)
DNA and RNA can be used interchangeably 
58.

Why do we care so much about making proteins in our cells?

a)

Almost everything in our cells is made of proteins

b)

If a protein is made incorrectly it will not work

c)

Proteins determine our physical traits

d)

All of these are correct

59.

Why do we care so much about making proteins in our cells?

a)

Almost everything in our cells is made of proteins

b)

If a protein is made incorrectly it will not work

c)

Proteins determine our physical traits

d)

All of these are correct

60.

The RNA made directly from the DNA during transcription is:

a)

tRNA

b)

mRNA

c)

rRna

d)

all of these

61.

Proteins are needed for:

a)

build and repair tissues

b)

make enzymes and hormones

c)

build blood and bones

d)

all of these

62.

Reorder the following

a)

DNA

b)

mRNA

c)

Ribosome

d)

Protein

e)

Traits

1)
2)
3)
4)
5)
63.

WHAT LETTER BEST REPRESENTS...

Mitochondria

(a)  

64.

WHAT LETTER BEST REPRESENTS...

Nucleus

(a)  

65.

WHAT LETTER BEST REPRESENTS...

DNA

(a)  

66.

WHAT LETTER BEST REPRESENTS...

mRNA

(a)  

67.

WHAT LETTER BEST REPRESENTS...

Ribosomes

(a)  

68.

WHAT LETTER BEST REPRESENTS...

Cytoplasm

(a)  

69.

WHAT LETTER BEST REPRESENTS...

Cell membrane

(a)  

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