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Protein synthesis, mutations & meiosis

Total questions: 53

Worksheet time: 57mins

Name
Class
Date
1.
What is the product of translation?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
2.

The Process of creating RNA from DNA

a)

Transcription

b)

Translation

c)

Replication

3.

In RNA the base T is replaced with

a)

U

b)

G

c)

C

d)

A

4.

What combines together to make a protein?

a)

Amino Acid

b)

RNA

c)

Ribosome

d)

DNA

5.

What organelle is the site of translation?

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

6.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

7.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
8.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
9.

what bonds the bases together in DNA

a)

amino acid

b)

protein

c)

hydrogen bonds

d)

sugat bonds

10.
The process of creating RNA using DNA as the template is
a)
translation
b)
transcription
c)
translocation
d)
Transylvania
11.
In eukaryotes, molecule 1 is found in
a)
ribosomes
b)
chloroplasts
c)
cytoplasm
d)
the nucleus
12.
Molecule 3 is synthesized in 
a)
ribosomes
b)
chloroplasts
c)
the cell membrane
d)
the nucleus
13.

what is the product of this process

a)

DNA

b)

mRNA

c)

tRNA

d)

amino acid

14.
The diagram shows the process of
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
15.

What is made (produced) from a DNA strand during transcription?

a)

tRNA

b)

mRNA

16.
If a DNA strand reads ATT CGT CTA, what would the mRNA strand read?
a)
TAA GCA GAT
b)
CGA TGA GUT
c)
UAA GCA GAU
d)
TAA GCA GUT
17.

If a DNA strand reads ATT CGT CTA, what would the tRNA strand read?

a)

UAA GCA GAT

b)

UAU CGA GAU

c)

AUU CGU CUA

d)

ATT CGT CTA

18.

The DNA nucleotide is composed of three parts.

a)

ribose sugar and base and hydrogen bonds

b)

glucose sugar, carbohydrates and phosphate group

c)

nitrogen base, protein and deoxyribose sugar

d)

deoxyribose sugar, phosphate group and nitrogen base

19.
Which of the following best defines a gene?
a)
A diploid cell containing two sets of chromosomes
b)
A unit made up of chromosomes that control for a specific trait
c)
A segment of DNA that codes for a particular protein
d)
All the other answers are correct.
20.
The process represented in the diagram produces a molecule that is complementary to the template strand of DNA. What type of molecule is produced?
a)
New DNA
b)
Polypeptide
c)
Messenger RNA
d)
Carbohydrate
21.
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
22.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
23.

What amino acid is represented by the ATC?

a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)

stop

24.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
25.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
26.
Translate the following: 
5'-AUGCGCAAA-3'
a)
Met-Asp-Lys
b)
Met-Arg-Pro
c)
Met-Arg-Lys
d)
Arg-Pro-Lys
27.
Transcribe the following:
 3'-TACCCGTAT-5'
a)
5'-AUGGGCAUA-3'
b)
3'-AUGGGCAUA-5'
c)
5'-AUGCCGAUA-3'
d)
5'-ATGCCGATA-3'
28.
What amino acid is coded for by the DNA triplet GGG
a)
Proline
b)
Valine
c)
Serine
d)
Isoleucine
29.
Amino acids are joined together in order to form
a)
DNA
b)
ribosomes
c)
proteins 
d)
RNA
30.
Which one of the following sequences best describes the flow of information when a gene directs the synthesis of a cellular component?
a)
protein -> RNA -> DNA
b)
RNA -> DNA -> RNA -> protein
c)
DNA -> RNA -> protein
d)
DNA -> tRNA -> mRNA -> protein
31.
Which phase of which process does this picture show?
a)
Transcription
b)
Translation
c)
Replication
32.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

33.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
34.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
35.

The diagram below represents a portion of a DNA molecule. which part carries the genetic information

a)

sugar molecules

b)

nitrogen bases

c)

enzymes

d)

proteins

36.
Which change below would result in a different Amino Acid? 
3'-GCT-5'
a)
GTT
b)
TCT
c)
TCC
d)
GCA
37.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
38.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
39.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
40.
Normal-
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
a)
deletion frameshift
b)
insertion frameshift
c)
substitution
d)
nonsense
41.

A nucleotide base is inserted or deleted shifting the entire DNA sequence. Entire protein will be changed.

a)

Substitution Mutation

b)

Silent Mutation

c)

Frameshift Mutation

d)

Translocation

42.
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
43.
Identify the SUBSTITUTION mutation form the following: 
ATG CCA AAT
a)
ATG TCA AAT
b)
ATG CCT AAA T
c)
ATC CA  AT
d)
ATG CCA AAT
44.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
45.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
46.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
47.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
48.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
49.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

50.

WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING

a)

BODY CELLS

b)

MITOSIS

c)

EGG

d)

SPERM

e)

EGG AND SPERM

51.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
52.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
53.
What part of a nucleotide accounts for the genetic variation between individuals?
a)
phosphate
b)
nitrogenous base
c)
deoxyribose
d)
sugar

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