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Unit 2.2 Transcription / Translation / Mutations

Total questions: 53

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

What's the point of the genetic code?

a)

to build proteins for the body

b)

to keep you alive

c)

you die without it

d)

your cells need DNA in the nucleus

2.

Where is the DNA stored?

a)

in each cell's nucleus

b)

in your body

c)

in your cells

d)

where it needs to be

3.

Why is DNA copied to mRNA instead of leaving the nucleus and being used directly? (choose all that apply)

a)

DNA contains multiple genes, so we don't want to send the whole thing for just one gene

b)

DNA might be damaged outside the nucleus

c)

It doesn't make sense to only use the DNA once and then that's it, you'd run out of DNA quickly.

d)

IDK BRO

4.

The genetic code is read in ________ nucleotide bases.

a)

groups of three

b)

groups of two

c)

single

d)

thousands of

5.

A group of three nucleotides / bases is called a ...

a)

codon

b)

genetic code

c)

nucleotide

d)

prismatic

6.

A single strand of DNA contains many _____, which each code for different proteins.

a)

genes

b)

mRNA

c)

levi's jeans

d)

ambiguities

7.

Each codon codes for a specific _____, which build up a protein.

a)

amino acid

b)

nucleotide

c)

mRNA

d)

post-material deconstructivism

8.

Which four bases are in DNA only?

a)

Thymine

b)

Adenine

c)

Cytosine

d)

Guanine

e)

Uracil

9.

Which four bases are in RNA only?

a)

Thymine

b)

Adenine

c)

Cytosine

d)

Guanine

e)

Uracil

10.

Transcription is the process when ______

a)

a gene on DNA is copied to mRNA

b)

mRNA is read on the ribosome to build proteins

c)

The entire DNA is copied so the cell can divide

d)

DNA is created so we can have traits

11.

In transcription:

DNA: A pairs with RNA:

a)

U

b)

C

c)

T

d)

G

e)

A

12.

In transcription:

DNA: T pairs with RNA:

a)

U

b)

C

c)

T

d)

G

e)

A

13.

In transcription:

DNA: C pairs with RNA:

a)

U

b)

C

c)

T

d)

G

e)

A

14.

In transcription:

DNA: G pairs with RNA:

a)

U

b)

C

c)

T

d)

G

e)

A

15.

What are a difference between DNA and RNA? (choose all that apply)

a)

DNA and RNA both have sugar and phosphate backbone

b)

DNA has thymine while RNA has uracil

c)

DNA is double stranded, RNA is single stranded

d)

DNA and RNA code genes which give us traits

16.

What is the purpose of mRNA?

a)

it copies a gene from DNA to carry it to the ribosome where it can be used to build a protein

b)

it carries amino acids to be attached to building protein

c)

it puts the protein together by attaching amino acids together

d)

it folds the protein to the proper shape

17.

What is the purpose of tRNA?

a)

it copies a gene from DNA to carry it to the ribosome where it can be used to build a protein

b)

it carries amino acids to be attached to building protein

c)

it puts the protein together by attaching amino acids together

d)

it folds the protein to the proper shape

18.

The anti-codon of ____ matches with the codon of the _____ to bring the proper amino acids to the protein.

a)

tRNA, mRNA

b)

DNA, mRNA

c)

mRNA, DNA

d)

codon, anti-codon

19.

Translation is the process when ______

a)

a gene on DNA is copied to mRNA

b)

mRNA is read on the ribosome to build proteins

c)

The entire DNA is copied so the cell can divide

d)

DNA is created so we can have traits

20.

Transcript: CCT

a)

GGA

b)

Lys

c)

Pro

d)

CCU

21.

Transcript: ACT

a)

UGA

b)

TGA

c)

Leu

d)

DNA

22.

Translate: GGA

a)

Gly

b)

Val

c)

CCU

d)

CCT

23.
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
24.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
25.

What is the correct order to make a protein?

a)

Protein, DNA, mRNA

b)

mRNA, DNA, Protein

c)

DNA, mRNA, Protein

d)

Protein, mRNA, DNA

26.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
27.

Which RNA carries the message?

a)

mRNA

b)

rRNA

c)

tRNA

28.

If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be

a)

AATGGC

b)

TTACCG

c)

AACGGC

d)

AATGGG

29.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
30.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
31.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
32.
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
33.
What structure in a cell is the site for making proteins?
a)
ribosomes
b)
mitochondria
c)
lysosome
d)
Golgi body
34.
What is this a picture of?
a)
mRNA
b)
tRNA
c)
rRNA
d)
pRNA
35.
What type of molecule is the end product of translation?
a)
Glucose
Glucose
b)
Fatty Acid
c)
Glycogen
d)
Protein
36.

The DNA sequence ATC-AGC-GCT-GGC is part of a gene. how many amino acids are coded for by this message?

a)

4

b)

8

c)

3

d)

12

37.

True or False: UGA is a codon that codes for STOP.

a)

True

b)

False

38.

True or False: AGU is a codon that codes for START.

a)

True

b)

False

39.
Which amino acid is coded from the mRNA codon:
AGU
a)
Arginine
b)
Serine
c)
Leucine
d)
Glycine
40.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
41.

If you take this codon of DNA.... ATA. What will the amino acid be?

a)

Tyrosine

b)

Leucine

c)

Valine

d)

Stop

42.

If you take this piece of DNA what will the Amino Acid be.... ACT

a)

Methanine

b)

Cytosine

c)

Stop

d)

Glycine

43.

If you take this codon of DNA.... TTT. What will the amino acid be?

a)

Lysine

b)

Methanine

c)

Isoline

d)

Serine

44.

Original: ATC CAT

Mutation: ATC GCA T

What mutation occurred?

a)

frameshift: deletion

b)

frameshift: insertion

c)

silent

d)

nonsense

45.
Original DNA: CAT GAT
New DNA: CAT AT
What mutation occurred?
a)

frameshift: deletion

b)

point

c)

silent

d)

frameshift: insertion

46.

Can DNA mutations(changes) be passed on to offspring?

a)

yes

b)

no

47.

Mutations are__________

a)

Harmful

b)

Harmful or beneficial

c)

Neutral

d)

Harmful, neutral, or beneficial

48.
Are all mutations bad?
a)
Yes
b)
No
49.

Mutations that cause dramatic changes in protein structure are often

a)

harmful

b)

helpful

c)

neutral

50.

A mutation is a change in an organism's _____________.

a)

Cell

b)

DNA

c)

Phenotype

d)

Ribosome

51.
DNA is often considered the "______________" of life.
a)
Blueprint
b)
Mistake
c)
Swimming Pool
d)
Smelly Cheese
52.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
53.

Original DNA: GAT CGA TCG AAC

Mutated DNA: GAT TGA TCG AAC

What type of mutation occured?

a)

deletion

b)

frameshift

c)

point

d)

silent

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