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Central Dogma & Protein Synthesis Unit Review

Total questions: 35

Worksheet time: 35mins

Name
Class
Date
1.

Which of the following statements is true?

a)

DNA is single-stranded

b)

RNA is single-stranded

c)

DNA contains uracil

d)

RNA contains deoxyribose

2.

The Process of creating RNA from DNA is called...

a)

Transcription

b)

Translation

c)

Replication

3.

DNA contains the base T. What replaces T in RNA?

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.

Carries the amino acid used to make a protein

a)

mRNA

b)

rRNA

c)

tRNA

10.

Factory for making a protein

a)

mRNA

b)

rRNA

c)

tRNA

d)

Ribosome

11.

What do we call the shape a DNA molecule takes?

a)

double-stranded

b)

double helix

c)

sugar-phosphate backbone

d)

pentagon

12.

Which of the following tells the Ribosome to STOP?

a)

UAC

b)

UGG

c)

UGA

d)

UCA

13.

Which of the following tells the Ribosome to START?

a)

AUG

b)

UGG

c)

UGA

d)

UCA

14.

What is the genetic code and how does it work?

a)

The genetic code is the set of rules by which information encoded in genetic material is translated into proteins.

b)

The genetic code is a type of password used to access DNA information

c)

The genetic code is a system of symbols used to represent genetic information

d)

The genetic code is a set of instructions for building DNA molecules

15.

What are the components of a DNA molecule?

a)

Amino acids

b)

Nucleotides

c)

Lipids

d)

Carbohydrates

16.

Explain the role of mRNA in protein synthesis.

a)

mRNA is responsible for breaking down proteins in the cell

b)

mRNA has no role in protein synthesis

c)

mRNA carries the genetic information from DNA to the ribosomes, where it serves as a template for translation into a protein.

d)

mRNA acts as a storage unit for excess genetic material

17.

What is the relationship between the genetic code and the sequence of amino acids in a protein?

a)

The sequence of amino acids in a protein is determined by random chance

b)

The genetic code is not involved in determining the sequence of amino acids in a protein

c)

The genetic code determines the sequence of amino acids in a protein through the process of transcription and translation.

d)

The sequence of amino acids in a protein is determined by the environment

18.

Describe the process of protein synthesis in a cell.

a)

Protein synthesis is the process of converting lipids into energy in a cell.

b)

Protein synthesis involves the production of DNA in a cell.

c)

Protein synthesis is the process by which cells make proteins.

d)

Protein synthesis is the process of making carbohydrates in a cell.

19.
Code of RNA transcribed from a DNA gene sequence
a)
Codon
b)
DNA
c)
tRNA
d)
mRNA
20.

Which of these is the correct DNA base pairing rule

a)

C pairs with A

A pairs with T

T pairs with G

G pairs with C

b)

C pairs with G

G pairs with C

A codes for U

T pairs with A

c)

T pairs with A

A pairs with T

C pairs with G

G pairs with C

d)

C pairs with T

T pairs with C

C pairs with A

A pairs with C

21.

A codes for U

T codes for A

C codes for G

G codes for C

a)
RNA base pairing rule
b)
RNA polymerase
c)
Ribosome
d)
DNA base pairing rule
22.

Unit of both DNA and RNA, they consist of a sugar-phosphate backbone and a nitrogen-containing base

a)
Ribosome
b)
Enzyme
c)
Nucleotide
d)
Protein
23.
DNA codes for RNA which codes for Proteins, synthesis only goes in one direction
a)
Codon
b)
Enzyme
c)
Central Dogma
d)
Ribosome
24.
Long chain polymer of amino acids, folding into a specific 3D structure determining its activity
a)
Codon
b)
mRNA
c)
Protein
d)
tRNA
25.
Special class of proteins that speed up chemical reactions, ending in -ase
a)
tRNA
b)
Ribosome
c)
Enzyme
d)
DNA
26.
Protein enzyme that reads a gene on DNA and transcribes it into complementary mRNA sequence
a)
RNA polymerase
b)
Enzyme
c)
Complementary
d)
Ribosome
27.
Proteins attaching at the beginning of a gene sequence to be transcribed by RNA polymerase
a)
Regulatory Proteins
b)
Protein
c)
RNA polymerase
d)
Translation
28.
Process of translating mRNA codons by a ribosome to make a protein
a)
tRNA
b)
Translation
c)
Transcription
d)
Protein
29.

What are the building blocks of proteins?

a)

Amino acids

b)
mRNA
c)
Ribosome
d)
Translation
30.

Which of the following is the complementary mRNA sequence to this DNA strand: AAA TCG TTG CCC

a)

AAA TCG TTG CCC

b)

TTT AGC AAC GGG

c)

UUU AGC AAC GGG

d)

UUU TGC TTC GGG

31.

What amino acid is represented by the codon UUA?

a)

Phe

b)

Tyr

c)

Leu

d)

Stop codon

32.

Which codon can code for Trp?

a)

U G G

b)

A G U

c)

C A A

d)

A U G

33.

Units of 3 nucleotide bases in mRNA which code for a single

amino acid.

a)

Mitosis

b)

Base Pairing

c)

Anti codon

d)

Codon

34.

What was the complementary mRNA sequence for this strand of DNA?

TGC ACG CAT

a)

ACG TGC GTA

b)

ACG UGC GUA

c)

TGC ACG CAT

d)

ACG TCG CUA

35.

Which of these is true about RNA Polymerase?

a)

It is a protein

b)

all of these

c)

It is an enzyme

d)

It copies DNA into RNA