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DNA and Protein Synthesis

Total questions: 47

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Which shows the correct complementary DNA strand of ATG?

a)

ATG

b)

TAC

c)

TAG

d)

CGC

2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
4.
The sides of the DNA “Ladder” are made up of:
a)
Alternating phosphates and sugars
b)
Nitrogen bases
c)
Hydrogen bonds
d)
Protein chains
5.

Which molecule uses DNA as a template to carry instructions out of the cell?

a)

tRNA

b)

mRNA

c)

rRNA

d)

DNA Polymerase

6.
What is the process of turning DNA into mRNA?
a)
Central Dogma
b)
Transcription
c)
Translation
d)
Trapezoid
7.
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
8.

mRNA is analogous to

a)

the original blueprints

b)

a copy of the blueprints

c)

the finished house

d)

the building site

9.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
10.

What kind of bonds form between adenine and thymine and glutamine and cytosine?

a)

ionic bonds

b)

covalent bonds

c)

H bonds

11.

Which of the following is the correct order from small to big?

a)

Nucleotide --> gene --> DNA ---> Chromosome

b)

Nucleotide --> Chromosome --> DNA ---> gene

c)

Nucleotide --> DNA --> gene ---> Chromosome

d)

DNA --> Nucleotide --> gene ---> Chromosome

12.

The definition of gene is

a)

DNA that codes for an amino acid

b)

Chromosomes that code for a trait

c)

DNA that codes for a nucleotide

d)

DNA that codes for a protein

13.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
14.
Which RNA bases would pair with TAC  in transcription? 
a)
AUG
b)
ATG
c)
GCA
d)
GCA
15.
A triplet (3 bases)  of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
16.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
17.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA  ACT
a)
4
b)
3
c)
6
d)
2
18.
Translation happens in the - 
a)
Nucleus
b)
Ribosome
c)
Chloroplast
d)
Smooth Endoplasmic Reticulum
19.
Amino acids are joined together in order to form
a)
DNA
b)
ribosomes
c)
proteins 
d)
RNA
20.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
21.
Which two processes are involved in protein synthesis?
a)
Replication and Transcription
b)
Replication and Translation
c)
Transcription and Translation
22.
Which of the following molecules is made during transcription?
a)
DNA
b)
tRNA
c)
protein
d)
mRNA
23.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
24.
Which form of RNA carries amino acids from the cytoplasm to the ribosome?
a)
amino RNA
b)
ribosomal RNA
c)
transfer RNA
d)
messenger RNA
25.
What are the three base segments of mRNA called?
a)
anticodons
b)
codons
c)
triplets
26.
Transcribe the following sequence of DNA into RNA:
AAG   CTT   TGC
a)
TTC  GAA  ACG
b)
UUC  GAA ACG
c)
TTC  GUU  UCG
d)
UUC  GUU  UCG
27.
What is the monomer of DNA and RNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
monosaccharide
28.
Which of the following would be a DNA nucleotide?
a)
phosphate, deoxyribose, uracil
b)
phosphate, deoxyribose, thymine
c)
phosphate, ribose, uracil
d)
phosphate, ribose, thymine
29.
What type of bond holds together the two strands of the DNA double helix?
a)
Hydrogen Bond
b)
Peptide Bond
c)
Ionic Bond
d)
Disulfide Bond
30.
What would be the complementary DNA strand for the following nucleotide sequence?
TCG ATA CGA
a)
AGC ATA GCT
b)
AGC TAT GCT
c)
AGC UAU GCU
d)
UGC TUT GCT
31.

What process is shown in the picture?

a)

commensalism

b)

deletion

c)

passive transport

d)

DNA replication

32.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
33.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
34.
In DNA, Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
35.
What is the difference between the sugars found in DNA and RNA?
a)
RNA contains glucose
b)
RNA contains sucrose
c)
RNA contains deoxyribose
d)
RNA contains Ribose
36.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
37.
RNA has how many strands?
a)
one
b)
two
38.
DNA and RNA belong to the biomolecule class of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
39.
Which of the following is not a difference in DNA and RNA?
a)
DNA uses Deoxyribose and RNA uses Ribose
b)
DNA is double stranded and RNA is single stranded
c)
DNA uses Uracil and RNA uses Thymine
d)
DNA uses Thymine and RNA uses Uracil
40.

RNA stands for

a)

robot nucleic acid

b)

root nucleic acid

c)

ribonucleic acid

d)

nucleic acid

41.

The nitrogen base pairs for RNA are

a)

A-T C-G

b)

A-U C-G

c)

A-C T-G

d)

T -U G-C

42.

The sugar in the backbone of ribonucleic acid is

a)

deoxyribose

b)

ribose

c)

dextrose

d)

sucrose

43.

RNA carries a copy of the DNA blueprint (instructions) from the nucleus to the ___

a)

nucleus

b)

cell membrane

c)

vacuole

d)

ribosome

44.

There are three types of RNA

a)

False

b)

True

45.

Give the correct base pairing for this strand of RNA

AAUUGGCCUU

a)

AAUUGGCCUU

b)

TTAACCGGAA

c)

UUAACCGGAA

d)

UAUACGCGAT

46.
True or false:  RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
47.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A

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