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DNA to RNA to Proteins

Total questions: 58

Worksheet time: 15hrs 30mins

Name
Class
Date
1.

The sequence of t-RNA nucleotides is determined by

a)

deoxyribose

b)

cytoplasmic genes

c)

enzymes

d)

DNA of the nucleus

2.

Any change in the nucleotide sequence of the DNA of a gene is called

a)

codon

b)

anticodon

c)

translation

d)

mutation

3.

The building blocks that make up DNA and RNA are called

a)

nucleotides

b)

amino acids

c)

hydrocarbons

d)

monosaccharides

4.

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a protein?

a)

protein --> RNA --> DNA

b)

DNA --> mRNA --> tRNA --> protein

c)

DNA --> amino acid --> RNA --> protein

d)

DNA --> tRNA --> mRNA --> protein

5.

Select the correct complementary sequence of DNA for

TAC ACG TTA AGC ACT .

a)

ATG TGC AAT TCG TGA

b)

TGC AAT TCG ACG UGA

c)

UGC AAT UCG TGA

d)

AUG TGC AAT UCG UGA

6.

What is the correct sequence of amino acids?

AUG UAC AGU UAG

a)

Met, Tyr, Ser, Stop

b)

Tyr, Ser, Stop Met

c)

Met, Iso, Glu, Stop

d)

Stop, Met, Iso, Tyr

7.

The building blocks of proteins are ...

a)

amino acids

b)

nucleotides

c)

hydrocarbons

d)

monosaccharides

8.

What sugar is found in RNA?

a)

Ribose

b)

Deoxyribose

c)

Maltose

d)

Glucose

9.

A codon is a triplet code found on

a)

mRNA

b)

tRNA

c)

DNA

d)

rRNA

10.

What is the shape of DNA?

a)

Double helix

b)

single strand

c)

hexagon

d)

5 sided

11.

There are 3 types of RNA. What are they? (Select all that apply)

a)

tRNA

b)

rRNA

c)

mRNA

d)

xRNA

12.
Which of the following statements is true?
a)
DNA is single-stranded
b)
RNA is single-stranded
c)
DNA contains uracil
d)
RNA contains deoxyribose
13.
What is the product of translation?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
14.

The Process of creating RNA from DNA

a)

Transcription

b)

Translation

c)

Replication

15.

In RNA the base T is replaced with

a)

U

b)

G

c)

C

d)

A

16.

What combines together to make a protein?

a)

Amino Acid

b)

RNA

c)

Ribosome

d)

DNA

17.

What organelle is the site of translation?

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

18.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

19.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
20.
What is the template for mRNA?
a)
DNA
b)
tRNA
c)
rRNA
d)
proteins
21.

Carries the amino acid used to make a protein

a)

mRNA

b)

rRNA

c)

tRNA

22.

Which of the following tells the Ribosome to STOP?

a)

UAC

b)

UGG

c)

UGA

d)

UCA

23.

Which of the following tells the Ribosome to START?

a)

AUG

b)

UGG

c)

UGA

d)

UCA

24.

Where is DNA and RNA made?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

ER

25.

DNA contains the template to make RNA

a)

True

b)

False

26.

Which RNA carries the message?

a)

mRNA

b)

rRNA

c)

tRNA

27.

The goal of transcription is to make RNA.

a)

True

b)

False

28.
One difference between DNA and RNA is that....
a)
Only RNA has the base Uracil
b)
only RNA contains the base Thymine
c)
only RNA contains the base Cytocine
d)
only RNA contained the base Guanine
29.
True or false:  RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
30.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
31.
Which is a difference between DNA and RNA
a)
RNA is double stranded
b)
RNA is not made of nucleotides
c)
RNA contains Uracil instead of Thymine
d)
RNA does not contain a sugar
32.
Which process is used to make mRNA from the DNA in the nucleus?
a)
transcription
b)
translation
c)
replication 
33.
A triplet of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
34.
How many nucleotides make a codon?
a)
1
b)
2
c)
3
d)
6
35.

Transcribe the following DNA strand: CTG AAT

a)

GAC TTA

b)

CTG AAT

c)

GAC UUA

d)

CUG AAU

36.
What would be the tRNA anticodon for the mRNA codon CAG?
a)
GTC
b)
GUC
c)
CUG
d)
CAG
37.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
38.
What would happen if we did not have start codons?
a)
Polypeptide chains would continue to grow
b)
Amino acids would bind to tRNA
c)
Protein synthesis wouldn't occur
d)
mRNA would form a double strand
39.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
40.
What type of macro-molecules are DNA and RNA?
a)
Protein
b)
Carbohydrate
c)
Nucleic Acid
d)
Lipid
41.
An RNA molecule is
a)
double helix
b)
always double stranded
c)
usually double stranded
d)
single stranded
42.
In mRNA, each codon specifies a particular 
a)
nucleotide
b)
amino acid
c)
purine
d)
pyrimidine
43.

An mRNA molecule is produced in which step of protein synthesis:

a)

replication

b)

transcription

c)

duplication

d)

translation

44.
Using the codon identify the amino acid sequence:
AUG-CCA-GUA-GGG-UAA
a)
MET-HIS-ALA-GLY-STOP
b)
MET-PRO-GLY-VAL-STOP
c)
MET-PRO-VAL-GLY-STOP
d)
MET-THR-SER-ASP-STOP
45.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
46.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
47.
Process in which amino acids are assembled into proteins at the ribosome?
a)
Translation
b)
Transcription
c)
Meiosis
d)
Replication
48.

Overall, protein synthesis consists of these steps

a)

DNA synthesis, RNA synthesis and transcription

b)

transcription and translation

c)

DNA synthesis, transcription and translation

49.

The info carried by DNA is in

a)

an amino acid sequence

b)

the sugars and phosphates that form the backbone

c)

the order of bases in the molecule

d)

the total number of nucleotides

50.

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

a)

U-T

b)

T-G

c)

U-A

d)

A-U

51.

Any change in the nucleotide sequence of a gene is called

a)

a mutation

b)

a codon

c)

a translation

d)

an anticodon

52.
The lac operon genes only become expressed if:
a)
lactose binds to the repressor
b)
glucose binds to the repressor
c)
lactose binds to the operator
d)
the repressor binds to the operator
53.
____ is the activation of a gene that results in transcription.
a)
Gene expression
b)
Gene technology
c)
Eukaryotic expression
d)
Prokaryotic expression
54.

What is added to the 3' end of an mRNA transcript?

a)

a modified guanine nucleotide

b)

a series of adenine nucleotides

c)

intron

d)

exon

55.

What part of a eukaryotic gene often has a TATA box?

a)

primer

b)

promoter

c)

signal peptide

d)

terminator

56.

What is the non-coding portion of the mRNA transcript that is removed during processing?

a)

intron

b)

exon

c)

5'cap

d)

poly-A tail

57.

In what direction is a trancript made?

a)

3' to 5'

b)

5' to 3'

c)

3' to 3'

d)

5' to 5'

58.

Which step of translation occurs when a release factor binds to a codon in the A site?

a)

initiation

b)

elongation

c)

termination

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