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Unit 4: The Role of Nucleic Acids and Protein Synthesis Review

Total questions: 43

Worksheet time: 40mins

Name
Class
Date
1.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
2.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
3.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
4.

What brings the amino acids to the ribosome to assemble a protein?

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

5.

How many nucleotides code for 1 amino acid?

a)

1

b)

2

c)

3

d)

4

6.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
7.
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
8.
Which two processes are involved in protein synthesis?
a)
Replication and Transcription
b)
Replication and Translation
c)
Transcription and Translation
9.

Identify the Nucleic Acid that represents RNA.

A
B
10.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
11.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
12.
The central dogma of biology states that information flows in one direction from 
a)
nuclei to RNA to cytoplasm
b)
ribosomes to proteins to DNA
c)
genes to nuclei to ribosomes
d)
DNA to RNA to proteins
13.
Question Image

Match the codon with its amino acid

a)

ACC

1.

THR

b)

CCA

2.

PRO

c)

UAG

3.

stop

d)

AUG

4.

MET

e)

GAC

5.

ASP

14.

What is the amino acid sequence for the following mRNA strand:

UCG-GAA-CAU

Write your answer like this: ___-___-___

(a)  

15.

Select all the types of RNA.

a)

messenger RNA

b)

transfer RNA

c)

ribosomal RNA

d)

uracilic RNA

e)

Double Standard RNA

16.

Identify label the three components of a nucleotide.

a)Sugar (Ribose or Deoxyribose)
b)Phosphate
c)Nitrogenous Base
1
2
3
1)
2)
3)
17.

Label the diagram

a)anticodon
b)mRNA
c)tRNA
d)Ribosome
e)amino acids
1
2
3
4
5
1)
2)
3)
4)
5)
18.

The letter X in the graphic is pointing to a(n) ​ ​ (a)  

Choose from the below words
nucleotide
nucleic acid
monosaccharide
amino acid
19.

Match the following

a)

Location of transcription

1.

Inside the nucleus

b)

Location of translation

2.

In cytoplasm

(at the ribosome)

c)

Organelle that does translation

3.

Ribosome

(the organelle)

d)

Monomer of proteins

4.

Amino acids

e)

Monomer of RNA

5.

Ribo-nucleotides

(RNA nucleotides)

20.

Match the following

a)

mRNA

1.

carries the message to the ribosome

b)

rRNA

2.

part of the ribosome structure

c)

tRNA

3.

carries the amino acid to the ribosome

d)

DNA

4.

primary genetic material

21.

In protein synthesis, the gene from the DNA is ​ (a)   into RNA. mRNA leaves the nucleus and then the RNA is ​ (b)   by a ribosome to make a polypeptide.

Choose from the below words
transcribed
translated
22.

Which part illustrates transcription?

A
B
23.
What is Transcription?
a)
The making of tRNA from a DNA segment.
b)
The making of an rRNA strand from a DNA segment.
c)
The making of an mRNA strand from a DNA segment.
d)
IDK. I just want the semester to be over...
24.

Which of the following is the enzyme used in the process of transcription?

a)

DNA polymerase

b)

RNA polymerase

c)

Primase

d)

Helicase

25.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
26.
Translation happens at the - 
a)
Nucleus
b)
Ribosome
c)
Chloroplast
d)
Mitochondria
27.

When the mRNA sequence leave the nucleus, what organelle does it travel to?

a)

mitochondria

b)

smooth ER

c)

ribosome

d)

vacuole

28.

Translation is terminated when the ribosome reaches ___________.

a)

a stop codon

b)

an AUG

c)

the end of the mRNA

29.

Eye color is an example of a...

a)

Gene

b)

Allele

c)

Genome

d)

Chromosome

30.

Different variations of genes are...

a)

Genomes

b)

Alleles

c)

Chromosomes

d)

Genes

31.

Segments of DNA are called _______________________

a)

Genes

b)

Alleles

c)

Traits

d)

Chromosomes

32.
The traits of an organism are passed to its offspring on small coded strands of DNA material called
a)
meiosis
b)
recessive traits
c)
genes
d)
heredity
33.

Each gene codes for a specific _________.

a)

Protein

b)

Chromosome

c)

DNA

d)

Eye color

34.

What are the nitrogen bases found in DNA?

a)

1,2,3,4

b)

A, B, C, D

c)

A, T, C, G

d)

M, D, N, A

35.
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
36.

Identify.

a)

DNA

b)

mRNA

c)

rRNA

d)

tRNA

37.

Identify.

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

38.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
39.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
40.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

41.

Three consecutive nucleotides on a mRNA molecule

a)

Translation

b)

Transcription

c)

anticodon

d)

codon

42.

Three consecutive nucleotides on a tRNA molecule

a)

Translation

b)

Transcription

c)

anticodon

d)

codon

43.

In DNA adenine (A) bonds to thymine (T) and guanine (G) bonds to cytosine (C). What is the bonding scheme in RNA?

a)

A-C and G-U

b)

A-U and C-G

c)

A-T and C-G

d)

None of these

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