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DNA (Replication, Transcription and Translation)

Total questions: 46

Worksheet time: 46mins

Name
Class
Date
1.

Where does DNA replication occur?

(a)  

2.

After replication, each strand has ​ (a)   new strand(s) and ​ (b)   old strand(s).

Choose from the below words
one
two
zero
3.

What are the four nitrogenous bases found in DNA?

a)

Adenine

b)

Thymine

c)

Glucose

d)

Guanine

e)

Cytosine

4.

What is the name of the model that Watson and Crick came up with to describe a DNA molecule?

(a)  

5.

Which of the following will pair with Adenine?

a)

Guanine

b)

Thymine

c)

Cytosine

6.

Which of the following will pair with Cytosine?

a)

Thymine

b)

Guanine

c)

Adeine

7.

Where is Eukaryotic DNA generally located?

a)

In the cytoplasm

b)

In the nucleus

c)

In space

8.
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
9.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
10.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
13.
Rosalind Franklin's "photo 51" was critical in helping Watson and Crick to discover what?
a)
The double helix structure of DNA
b)
X-Ray crystalography was a technology worth looking in to. 
c)
That stealing is a great way to get ahead in life
d)
That there could possibly be life on other planets. 
14.
Identify #2.
a)
nitrogen base
b)
phosphate group
c)
deoxyribose sugar
d)
nucleotide
15.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
16.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
17.
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
18.

If a strand of DNA had bases in the following order - ATCCGTC, what would be the replicated complementary strand?

a)

UAGGCAG

b)

ATCCGTC

c)

TAGGCAG

d)

TUGGCTG

19.

If a strand of DNA had bases in the following order - ATCCGTC, what would be the transcribed mRNA sequence?

a)

TAGGCAG

b)

UAGGCAG

c)

TUGGCUG

d)

None of the above are correct

20.

Use the codon chart to determine the amino acid sequence: (Hint: mRNA must be used to determine the AA sequence!)


ATT CGC ATC

TAA GCG TAG

AUU CGC AUC

UAA GCG UAG

a)

tyrosine, alanine, stop

b)

stop, alanine, tyrosine

c)

start, arginine, methionine

d)

Isoleucine, arginine, isoleucine

21.

Which of the following base pairs with adenine in RNA?

a)

thymine

b)

guanine

c)

uracil

d)

cytosine

22.

A section of DNA contains the following bases in this order: GAT CCT

Which of the following mRNA sequences complements this section of DNA?

a)

CUA GGA

b)

TCG AAG

c)

CTA GGA

d)

AGC UUC

23.

What is the correct order for the following events that occur during protein synthesis?

a)

B,E,A,C,D

b)

B,A,E,C,D

c)

D,A,E,C,B

d)

C,B,A,E,D

24.

Which of the following polypeptides are coded for by the mRNA sequence


5' AUG GUU AAA 3'

a)

Val, Lys, Phe

b)

Met, Asp, Phe

c)

Met, Val, Lys

d)

Ile, Gln, Lys

25.

A protein is built during this process

a)

translation

b)

transcription

26.

At the end of this process the RNA molecule leaves the nucleus

a)

translation

b)

transcription

27.

What does tRNA do during translation?

a)

it brings a specific segment of DNA to the ribosome for transcription

b)

it brings any amino acid to the ribosome

c)

it brings a specific amino acid (decided by the DNA) to the ribosome for translation

d)

it brings a specific amino acid (decided by the codon) to the ribosome for translation

28.

What are 2 differences between DNA and RNA?

(a)  

29.
What is a Codon?
a)
4 base pairs that transfer to amino acids
b)
3 base pairs that transfer to amino acids
c)
3 base pairs that transfer to DNA
d)
3 base pairs that transfer to mRNA
30.
What process is occurring in this photo?
a)
Transcription
b)
DNA unwinding
c)
Translation
d)
Transfer RNA is creating bases
31.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
32.
When DNA is transcribed to RNA.... 
a)
A pairs with U
b)
C pairs with U
c)
A pairs with T
d)
C pairs with T
33.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
34.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
35.
A triplet (3 bases)  of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
36.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
37.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
38.
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
39.
A triplet (3 bases)  of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
40.
Translation happens in the - 
a)
Nucleus
b)
Ribosome
c)
Chloroplast
d)
Smooth Endoplasmic Reticulum
41.

. What are the building blocks of proteins called?

a)

nucleotides

b)

proteins

c)

amino acids

d)

carbohydrates

42.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
43.
When the RNA gets to the ribosomes, which molecule transfers to the mRNA to amino acids?
a)
DNA
b)
mRNA
c)
tRNA
d)
Replicated RNA
44.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA  ACT
a)
4
b)
3
c)
6
d)
2
45.

What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?

a)

Met-Pro-Val-Stop

b)

Met-Ala-Arg-Stop

c)

Tyr-Gly-His- Leu

d)

Tyr-Gly-Arg-His

46.

Which of the following is not a stop codon?

a)
AUG
b)

UGA

c)
UAG
d)
UAA

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