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DNA Unit Review

Total questions: 40

Worksheet time: 51mins

Name
Class
Date
1.

What part of the nucleotide is the genetic information (genetic code)

a)

Sugar

b)

Phosphate

c)

Base

2.

Going from DNA to mRNA is known as what ?

a)

Replication

b)

Transcription

c)

Translation

d)

Mitosis

3.

What is the complementary DNA strand for AGT?

a)

UGA

b)

TCA

c)

TGA

d)

UCA

4.

True or False: All our cells for our organs have the same DNA?

a)

True

b)

False

5.

A pairs with what in DNA?

(a)  

6.

The structure of DNA is a ______________

a)

Double Helix

b)

Single Helix

c)

Circular Helix

d)

Nucleotide

7.

DNA is so big that it CANNOT leave the nucleus.

a)

True

b)

False

8.

For DNA replication to occur something must help to open up the DNA what is it that helps this process?

a)

Sugar

b)

RNA

c)

Enzyme

d)

Lipids

9.

Translation involves which list of items?

a)

mRNA, DNA, Enzymes

b)

tRNA, mRNA, Ribosome

c)

Nucleus, mRNA, rRNA

d)

DNA, Nucleus, mRNA

10.

The process of starting with mRNA and making proteins is known as what?

a)

Replication

b)

Transcription

c)

Translation

d)

Mutation

11.

DNA Replication in Interphase must happen before a cell ....

a)

Divides

b)

makes mRNA

c)

makes enzymes

d)

Multiplies

12.

Transcribe the following DNA - TCA

a)

AGT

b)

TGA

c)

UGU

d)

AGU

13.
The information about an organism’s heredity is stored in its DNA. DNA is located in the cell’s _____________________. 
a)
mitochondria
b)
lysosomes
c)
nucleus
14.
The base Uracil is only found in which molecule?
a)
DNA
b)
RNA
c)
Carbohydrates
15.
The process where DNA is transcribed to mRNA happens in what part of the cell?
a)
Nucleus
b)
Mitochondria
c)
Cytoplasm
d)
Endoplasmic Reticulum
16.
The process where mRNA is read and made into an amino acid chain.
a)
Transcription
b)
Translation
c)
Transportation
d)
Transient
17.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
18.
Which of these nitrogenous bases is NOT in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
19.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
20.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
21.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

22.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

23.

What is DNA Replication?

a)

DNA deleting parts of itself

b)

DNA making a copy of itself

c)

DNA forming into a different shape

d)

None of the answers are correct

24.

What is DNA?

a)

It is the "blue print" for life

b)

It is the "building block" of life

c)

Carries out certain functions that help us live

d)

It is made of nucleotides A, U, C, G

25.

What are genes?

a)

Coiled up DNA

b)

They hold DNA

c)

Segments of DNA

d)

Building blocks of life

26.

Make the other DNA strand that matches this one:

TTACGT

a)

TTACGT

b)

AAGCA

c)

AATGCA

d)

TTTGCT

27.

What is the scientific name for DNA?

a)

Ribonucleic Acid

b)

Deoxygenated Accumulation

c)

Deoxyribonucleic Acid

d)

Dristoxynucis Acid

28.

In Eukaryotes DNA can be found in....

a)

Free floating in the cytoplasm

b)

The Nucleus

c)

The upper region of the cell

d)

The lower region of the cell

29.

What is the shape of DNA?

a)

Double helicase

b)

Double polymerase

c)

Double helix

d)

Double amino

30.

True or False: All living things have DNA

a)

True

b)

False

31.

True or False: nucleotides can be paired up randomly

a)

True

b)

False

32.

What are the three (3) components of a nucleotide?

a)

Phosphate, Sugar, (Nitrogenous) Base

b)

Chromosome, Nucleus, Helix

c)

Hydrogen, Phosphate, Sugar

d)

Sugar, Adenine, Lipid

33.

DNA is made of _______ strand(s), creating a _______ shape.

a)

one ; circular

b)

two ; double helix

c)

four ; ladder

d)

Too many ; complicated

34.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
35.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
36.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
37.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
38.

Mutations always have a very good or a very bad effect.

a)

True

b)

False

39.

Transcription occurs in the ribosome.

a)

True

b)

False

40.

Each nucleotide triplet in mRNA that specifies a particular amino acid is called

a)

Peptide Bond

b)

Anticodon

c)

Codon

d)

Helicase

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