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PLTW-PBS 3.2

Total questions: 55

Worksheet time: 38mins

Name
Class
Date
1.

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

2.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
3.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
4.
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
5.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
6.
Which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
7.
Which of the following is the blueprint for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
8.
When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?
a)
the base increases rate of translation
b)
the base causes DNA to be transcribed in opposite direction
c)
the inserted base causes the codons in the sequence to be incorrect for the desired protein
d)
the base signals enzymes to translate DNA rather than RNA
9.
The DNA sequence ATCAGCGCTGGC is part of a gene. How many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
10.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
11.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
12.
The diagram shows the process of
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
13.
Chargaff's rule dictates that...
A= Adenin, T= Thymine, G= Guanine, C= Cytosine
a)
A must bond to T and G to C
b)
T must bond to C and A to G
c)
A must bond to A and T to T
14.
What is occurring in this picture?
a)
Translation
b)
DNA Replication
c)
Polymerase is unzipping the DNA
d)
Transcription
15.
Where does transcription take place?
a)
nucleus
b)
ribosome
c)
cytoplasm
d)
smooth ER
16.
The anticodon is located on 
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
17.

Where EXACTLY does translation take place?

a)

on the Nucleus

b)

on the Ribosome

c)

on the Golgi Body

d)

on the Cytoplasm

18.

In which part of the cell does this process take place

a)

at the ribosomes

b)

in the nucleus

c)

in food vacuoles

d)

on the chromosome

19.

What is structure V?

a)

amino acid

b)

codon

c)

gene

d)

DNA molecule

20.

Which of the structures are composed of RNA?

a)

II and IV

b)

I and V

c)

III and V

d)

III and IV

21.

This process is

a)

monoploidy

b)

transcription

c)

replication

d)

translation

22.

What would the amino acid sequence be for TAGTGATTTAAT?

a)

met-asn-phe-his

b)

gly-arg-ser-pro

c)

ser-ala-glu-gly

d)

ile-thr-lys-leu

23.

Ribosomes are made of

a)

rRNA and mRNA

b)

protein and tRNA

c)

rRNA and protein

d)

tRNA and mRNA

24.

Messenger RNA is formed in the process of

a)

translation

b)

mutation

c)

replication

d)

transcription

25.

What would the corresponding DNA bases be?

a)

UCAG

b)

CUGA

c)

ACAG

d)

TCAG

26.

Which one of the following nucleotide pair bonds would be found in a DNA molecule?

a)

adenine-cytosine

b)

adenine-guanine

c)

cytosine-uracil

d)

guanine-cytosine

27.
Which of the following represents the maximum number of amino acids that could be incorporated into a polypeptide encoded by 21 nucleotides of messenger RNA?
a)
3
b)
7
c)
21
d)
42
28.
If a messenger RNA codon is UAC, which of the following would be the complementary anticodon triplet in the transfer RNA?
a)
ATG
b)
AUC
c)
AUG
d)
ATT
29.
The nucleotide sequence of a DNA molecule is 5'-C-A-T-A-3'.  A mRNA molecule with a complementary codon is transcribed from the DNA in the process of protein synthesis a tRNA pairs with a mRNA codon.  What is the nucleotide sequence of the tRNA anticodon?
a)
5'-G-T-A-3'
b)
5'G-U-A-3'
c)
5'-C-A-U-3'
d)
5'-U-A-C-3'
30.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
31.
What is tRNA role during translation?
a)
To bring the amino acids to the ribosome
b)
Positioning the ribosome
c)
Carries the instructions on how to make a protein.
d)
None of the above
32.
Proteins are made of chains of______
a)
Nucleotides
b)
Monosaccharides
c)
amino acids
d)
Fatty acids
33.

Using the table what does the codon CUG code for?

a)

alanine

b)

Proline

c)

Leucine

d)

Methionine

34.

Using the codon identify the amino acid sequence:

AUG-GGC-ACC-UCA-UGA

a)

MET-GLU-VAL-TYR-STOP

b)

MET-GLY-THR-SER-STOP

c)

MET-SER-THR-GLY-STOP

d)

MET-LYS-ASN-STOP

35.

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

36.
If a hydrophobic amino acid sequence is placed in water the amino acids will
a)
fold in half
b)
unfold
c)
bunch up
d)
spread out
37.

A hydrophilic amino acid does this when in water:

a)

moves toward the water on the outside of the protein

b)

moves away from the water to the inside of the protein

c)

moves towards negative amino acids

d)

moves toward positive amino acids

38.
What is the monomer of a protein?
a)
amino acid
b)
monosaccharide
c)
fatty acid
39.
Which stage is it where all of the amino acids are in a straight line?
a)
1
b)
2
c)
3
d)
4
40.
The name of the initial chain of monomers in a protein is called.....
a)
polypeptide
b)
polysaccharide
c)
polyester
d)
polynucleotide
41.
Which is not a use or function of protein?
a)
forms enzymes and hormones
b)
forms transport channel in cell membrane
c)
forms structural proteins in the body
d)
quick energy
42.
Alpha helix and beta pleated sheets are part of what level of protein structure?
a)
primary
b)
secondary
c)
tertiary
d)
quaternary
43.
How many different amino acids are there?
a)
15
b)
20
c)
25
d)
30
44.
When a protein unfolds, it is
a)
Denatured
b)
Building
c)
Adding amino acids
d)
Making food
45.
Which letter corresponds to an alpha helix?
a)
A
b)
B
c)
C
d)
D
46.
Which letter corresponds to an beta sheet?
a)
A
b)
B
c)
C
d)
D
47.
Which letter corresponds to the primary protein structure?
a)
A
b)
B
c)
C
d)
D
48.
Which letter corresponds to the tertiary protein structure?
a)
A
b)
B
c)
C
d)
D
49.
Does the structure (shape) of a protein affect the function (what it does)?
a)
Yes
b)
No
50.

Normal-

GAG-CTC-GAC-AGA

Mutant

GAG CTC-CAC-AGA

a)

no mutation

b)

substitution

c)

insertion

d)

deletion

51.
Are all mutations bad?
a)
Yes
b)
No
52.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
53.
Identify the DELETION mutation from the following DNA sequence: 
ATG CCA AAT
a)
ATG TCA AAT
b)
ATG CCT AAA T
c)
ATC CA  AT
d)
ATG CCA AAT
54.

Identify the SUBSTITUTION mutation from the following DNA sequence:

ATG CCA AAT

a)

ATG TCA AAT

b)

ATG CCT AAA T

c)

ATC CA AT

d)

ATG CCA AAT

55.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse

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