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UNIT 6 - NUCLEIC ACID & PROTEIN SYNTHESIS

Total questions: 45

Worksheet time: 27mins

Name
Class
Date
1.

DNA makes RNA, which is in turn makes proteins.

a)

True

b)

False

2.

Protein synthesis occurs in two stages. Check all that applies below.

a)

replication

b)

transcription

c)

mutation

d)

translation

3.

This sequence from the DNA will from this pattern of mRNA. ACT --> ___

a)

TGA

b)

UGA

c)

GAU

d)

UAA

4.

The formed mRNA travels outside the nucleus and will bind with a ....

a)

mitochondrion

b)

ribosome

c)

endoplasmic reticulum

d)

golgi body

5.

Protein synthesis read in triplet codes.

a)

True

b)

False

6.

The primary structure of protein is simply the sequence of amino acids.

a)

True

b)

False

7.

The amino acid that codes for START is ....

a)

valine

b)

phenylalanine

c)

methionine

d)

none of the above

8.

How many bases are needed to form an amino acid?

a)

20

b)

2

c)

3

d)

5

9.

DNA replication is basically DNA cloning itself.

a)

True

b)

False

10.

The quarter moon shaped RBCs is an indicative of what disease?

a)

anaemia

b)

sickle cell anemia

c)

blood cancer

d)

leukemia

11.

Which of the following mainly causes the change of RBC shape?

a)

from hydrophilic, it becomes hydrophobic

b)

from hydrophobic, it becomes hydrophilic

12.

Check the boxes of the basic structure that makes up nucleotides.

a)

phosphate group

b)

nitrogenous base

c)

disaccharide sugar

d)

pentose sugar

13.

DNA and RNA are examples of macromolecules.

a)

True

b)

False

14.

Check the boxes of the polymers.

a)

proteins

b)

nucleic acids

c)

carbohydrates

d)

monosaccharides

e)

nucleotides

15.

Which is NOT a nitrogenous base of RNA.

a)

thymine

b)

adenine

c)

guanine

d)

cytosine

e)

uracil

16.

Check the boxes of pyrimidines below.

a)

cytosine

b)

guanine

c)

thymine

d)

uracil

17.

Which of the following is paired correctly?

a)

thymine - adenine

b)

cytosine - thymine

c)

thymine - guanine

18.

Purines have a double ring structure.

a)

True

b)

False

19.

An adenosine with only one phosphate group is called..

a)

AMP

b)

ADP

c)

ATP

20.

What bonds the sugar and phosphate group in a DNA helix?

a)

hydrogen bonds

b)

phosphodiester bonds

c)

antiparallel bonds

21.

Check the boxes of what makes up the backbone of a DNA helix.

a)

sugar

b)

base

c)

phospate group

22.

Which of the following is NOT found in the structure of a nucleotide?

a)

phosphate group

b)

ribose sugar

c)

hydroxyl group

d)

nitrogenous base

23.

Which is correct about the base adenine?

a)

it has hexose sugar

b)

double ring

c)

attached to the phosphate group

d)

complementary with cytosine

24.

Which of the following is bound by 2 hydrogen bonds?

a)

A and T

b)

C and T

c)

C and G

d)

G and T

25.

In DNA replication, what comes first?

a)

translation

b)

transcription

c)

hydrogen bond

d)

peptide bonding

26.

With 5 amino acids, how many bases are expected to be there?

a)

10

b)

15

c)

9

d)

25

27.

What is the tRNA anticodon of this mRNA codon, CUG?

a)

GAC

b)

ATU

c)

GTC

d)

TAG

28.
What is a codon?
a)
a sequence of 3 amino acids
b)
a sequence of three nitrogen bases
c)
a sequence of 3 enzymes
d)
a sequence of 3 proteins
29.
What is the function of transfer RNA?
a)
It is a part of the ribosome.
b)
It bonds to other RNA molecules, leading to their destruction.
c)
It delivers the correct amino acid to the ribosome.
d)
It carries the information coding for the amino acid sequence of a protein.
30.
Which of these is part of the description of protein?
a)
a folded chain of amino acids
b)
a folded chain of carbohydrates
c)
a branched chain of fatty acids
d)
a branched chain of nucleic acids
31.
Which most directly affects the sequence of amino acids in a protein?
a)
the DNA in the nucleus of the cell
b)
the amino acids found in the cytoplasm
c)
the type of cell in which the protein is made
d)
the region of the cell in which the protein is made
32.
DNA codes for __________ which determine ___________
a)
mRNA, tRNA
b)
mRNA, ribosomes
c)
proteins. traits
d)
proteins, peptide bonds
33.
Which correctly outlined the central dogma
a)
DNA --> mRNA --> rRNA
b)
DNA --> tRNA --> protein
c)
DNA --> mRNA --> protein
d)
DNA --> amino acid --> protein
34.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
35.

What will be the complementary DNA sequence resulting from the following:

GAT-TAC-AGA-TTA-CAT?

a)

CTA-ATG-TCT-AAT-GTA

b)

GAU-UAG-UGA-UUA-GUT

c)

CUA-AUG-UCU-AAU-GUA

d)

CAT-ACA-TAC-ATA-TAG

36.

mRNA codon is UAG, what is the DNA sequence?

a)

ATC

b)

AUC

c)

TAC

d)

AAC

37.

Translate the following:

TACCAAGTACGTACT

a)

Methionine-valine-glycine-alanine-stop

b)

methionine-valine-histidine-alanine-stop

c)

ATGGTTCATGCATCA

d)

ACCGUUCAUGCA

38.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
39.

Which component of DNA determines the traits of an organism?

a)

Nitrogen Bases

b)

Sugar-Phosphate Backbone

c)

Hydrogen bonds

d)

Covalent bonds

40.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
41.

What is #2?

a)

amino acid

b)

ribosome

c)

mRNA

d)

codon

42.

Proteins are made from ____.

a)

nucleic acids

b)

nucleotides

c)

fatty acids and glycerol

d)

amino acids

43.
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
44.

What are the three parts of a nucleotide?

a)

a base

b)

a protein

c)

5-carbon sugar

d)

a phosphate group

45.

What mutation type is shown in the picture?

a)

substitution

b)

deletion

c)

insertion

d)

frame shift

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