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Bio Test Review (1.5, 6.2, 8.1)

Total questions: 91

Worksheet time: 1hrs 29mins

Name
Class
Date
1.

A nucleotide is composed of

a)

A phosphate, sugar and nitrogenous base

b)

A protein, sulfur and Guanine

c)

A phosphate, something and a base

d)

A protein, sugar and nitrogenous base

2.

The weak bonds between base pairs is a ___

a)

Covalent Bond

b)

Polar Bond

c)

Non Polar Bond

d)

Hydrogen

3.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
4.

What would the other side of this strand of DNA be:  AATCATGGA

a)
AATCATGGA
b)
TTAGTACCT
c)

AGGTACTAA

d)
GGATAUCUA
5.

What is true of RNA? (select all that apply)

a)

Single Strand

b)

Contains uracil

c)

Ribose Sugar

d)

Deoxyribose Sugar

6.

What is true of DNA?

a)

Double Helix

b)

Contains Thymine

c)

Deoxyribose Sugar

d)

Ribose Sugar

7.

Which amino acid will be added to a protein chain if the codon is UAA?

a)

Ser

b)

Lys

c)

Ala

d)

STOP

8.

Which of the following are differences in the structure between RNA and DNA

a)

DNA uses deoxyribose sugar, RNA uses sugar ribose

b)

DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

c)

DNA is a double helix, RNA is a single helix

d)

DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

9.

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

10.

There are a total of ____ different amino acids

a)

20

b)

1

c)

4

d)

unlimited

11.

How many amino acids are found on one tRNA?

a)

20

b)

4

c)

1

d)

3

12.
The process where mRNA is read and made into an amino acid chain.
a)
Transcription
b)
Translation
c)
Transportation
d)
Transient
13.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
14.
This is the triplet of bases on the end of a tRNA molecule
a)
Anticodon
b)
Codon
c)
Protein
15.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
16.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
17.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

18.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

19.

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

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

20.
What is occurring in this picture?
a)
Translation
b)
DNA Replication
c)
Polymerase is unzipping the DNA
d)
Transcription
21.
This diagram shows the process of 
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
22.
What does Letter C indicate?
a)
Polypeptide Chain
b)
Anticodon
c)
Codon
d)
Amino Acid
23.
What process is occurring in the diagram?
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
24.
Which codon can code for Serine?
a)
U G G 
b)
A G U
c)
C A A
d)
A U G
25.

Which best explains why DNA replication in the human body is significant?

a)

it is needed for cell division

b)

it is necessary for protein synthesis

c)

it replaces any damaged DNA cells

d)

it produces RNA strands

26.

What aspect of the DNA molecule encodes hereditary information concerning an organism’s traits?

a)

the molecular mass

b)

the sequence of base pairs

c)

the distribution of electrical charges

d)

the folded three-dimensional shape

27.

How is the DNA sequence AATTA replicated in a new strand during semiconservative replication?

a)

AATTA

b)

AATAA

c)

TTATT

d)

TTAAT

28.

During semiconservative replication, the DNA sequence ACT results in which sequence on the new strand?

a)

ACT

b)

TCA

c)

TGA

d)

UGA

29.

A DNA strand undergoing replication contains the bases TACGTT. Which complementary strand does it produce?

a)

AUCGAA

b)

ATGCAA

c)

ATCGAA

d)

AUCGTT

30.

In living things, smaller substances are linked to make up larger substances. Which of the following correctly describes a larger substance made by linking smaller substances?

a)

Nucleotides are linked to make up DNA.

b)

Amino acids are linked to make up DNA.

c)

Proteins are linked to make up nucleotides.

d)

Nucleic acids are linked to make up proteins.

31.

The enzyme that is responsible for adding the correct nucleotides to a replicating strand of DNA.

a)

Okazaki Fragments

b)

DNA Polymerase

c)

DNA Nuclease

d)

DNA Peptidase

32.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
33.

Which enzyme is responsible for unwinding the DNA helix?

a)

DNA Ligase

b)

DNA Helicase

c)

DNA Polymerase

d)

RNA Primase

34.

During which phase of the cell cycle does DNA replication occur?

a)

G1 phase

b)

S phase

c)

M phase

d)

G2 phase

35.

Which nucleotides pair together in DNA?

a)

Adenine with guanine, and cytosine with thymine

b)

Adenine with cytosine, and guanine with thymine

c)

Adenine with thymine, and cytosine with guanine

d)

All nucleotides pair randomly

36.

What does it mean when we say that the two strands of DNA are complementary to each other?

a)

They have the same sequence of nucleotides

b)

They have no relation to each other

c)

They are identical in structure

d)

They have sequences that match up such that adenine pairs with thymine and cytosine pairs with guanine

37.

What does "antiparallel" mean?

a)

Two lines that intersect at a right angle

b)

Two lines that never intersect

c)

Two lines that are parallel and run in the same direction

d)

Two lines that are parallel but run in opposite directions

38.

What does the semi-conservative model of DNA replication imply about the new double strands formed after replication?

a)

Each new double strand consists of two new daughter strands.

b)

Each new double strand consists of two original template strands.

c)

Each new double strand consists of one parental strand and one new daughter strand.

d)

Each new double strand is completely new and does not contain any of the original template strands.

39.

What is the role of Helicase in DNA replication?

a)

It is the builder enzyme.

b)

It makes the primer.

c)

It is the glue.

d)

It is the unzipping enzyme.

40.

What is the role of Ligase in the DNA replication process?

a)

It unzips the DNA strands.

b)

It synthesizes the new DNA strands.

c)

It creates the primer for DNA polymerase.

d)

It acts as the glue.

41.

What is the function of DNA polymerase in DNA replication?

a)

It unwinds the DNA helix

b)

It seals the gaps between the Okazaki fragments

c)

It adds free nucleotides to the new DNA strand

d)

It cuts the DNA strand to initiate replication

42.

Which enzyme is responsible for unwinding the DNA helix?

a)

DNA ligase

b)

DNA polymerase

c)

Helicase

d)

Primase

43.

Where do we receive DNA from?

a)

Only mom

b)

Only dad

c)

Both mom and dad

d)

The environment.

44.

What is DNA made up of?

a)

nucleic acids

b)

RNA

c)

nucleotides

d)

cells

45.

What are the three parts of DNA?

a)

deoxyribose

b)

phosphate group

c)

nitrogenous bases

d)

oxygen

46.

Where do the DNA strands unzip at during replication?

a)

Oxygen bonds

b)

Hydrogen bonds

c)

Carbon bonds

d)

Phosphate bonds

47.

How many DNA molecules exist after replication?

a)

1

b)

2

c)

3

d)

4

48.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
49.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
50.
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
51.
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
52.
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
53.
The DNA is found in the nucleus of what type of organisms?
a)
Bacteria
b)
Eukaryotes
c)
Prokaryotes
d)
Viruses
54.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
55.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
56.

Which type of mutation is MOST LIKELY to cause the greatest disruption?

a)

Frameshift

b)

Silent

c)

Point

57.
What is the definition of DNA mutation? 
a)
The original DNA strand
b)
The strand with four pairs 
c)
A change in the DNA strand
d)
The strand in a double helix 
58.
In a point mutation, this would have the worst effect on the function of the protein 
a)
an insertion or deletion near the end of a gene
b)
an insertion or deletion at the beginning of the gene
c)
an insertion at the middle of the gene
d)
a base substitution
59.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
60.

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred? (one has been added)

a)

deletion

b)

substitution

c)

tranverse

d)

insertion

61.
Restriction enzymes are used to ___ DNA.
a)
glue together
b)
cut
c)
reconnect
d)
exchange
62.

An enzyme that cut DNA molecules at a specific “recognition site” is called

a)

Restriction enzyme

b)

DNA polymerase

c)

RNA polymerase

d)

Taq polymerase

63.

Millions of Individuals have identical DNA profiles

a)

True

b)

False

64.

A hospital had three babies born on the same day. Unfortunately, they had a mixup during bathing the babies and the identification bracelets were lost. Determine which Baby belongs to which family

a)Baby 3
b)Baby 2
c)Baby 1
1
2
3
1)
2)
3)
65.

To make a DNA Fingerprint, you use ​ (a)​ ​ ​ (a)     to cut a DNA sample into fragments, and then use ​ (b) ​ (b)   _   to separate the fragments by size

Choose from the below words
restriction enzymes
Gel Electrophoresis
66.
Mr. Jones was killed in a car accident.  Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate.  Which sample of DNA would have to be from Mr. Jones if he were the child’s father? 
a)
2
b)
3
c)
4
d)
5
67.
Bob was found dead in his home.  Crime scene analysis showed signs of a struggle.  Blood was collected from the crime scene, the victim, and three suspects.  Which suspect likely committed the crime? 
a)
Sue
b)
Lisa
c)
John
d)
None of these
68.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
69.

DNA fingerprinting may be used to do which of the following?

a)

Identify gender

b)

Identify criminals

c)

Identify parents and offspring

d)

Identify genetic disorders

70.

Gel electrophoresis separates fragments of DNA by:

a)

Size/weight

b)

Genes

c)

Base pairs

d)

Electromagnetic charge

71.

In a DNA fingerprint, lighter-weight fragments can be found at the:

a)

Top

b)

Bottom

c)

Middle

d)

Front

72.
Mr. Jones was killed in a car accident.  Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate.  Which sample of DNA would have to be from Mr. Jones if he were the child’s father? 
a)
2
b)
3
c)
4
d)
5
73.
A boy moves to another country to live with his father.  Years later, the boy decides to move back to live with the woman who raised him.  Immigration officials suspected that the boy was the woman’s nephew, not her son, and therefore not legally entitled to residency.  Based on the DNA fragments, is it possible that she is the boy’s mother?
a)
Yes
b)
No
74.
Bob was found dead in his home.  Crime scene analysis showed signs of a struggle.  Blood was collected from the crime scene, the victim, and three suspects.  Which suspect likely committed the crime? 
a)
Sue
b)
Lisa
c)
John
d)
None of these
75.
Which male is the father of this child?
a)
Male 1
b)
Male 2
c)
Neither could be the father
d)
Either could be the father
76.
Which man is the father of this baby?
a)
Father 1
b)
Father 2
c)
Father 3
d)
None of them
77.
Whose blood was found at the crime scene?
a)
John
b)
Lisa
c)
Bob
d)
Sure
78.
Which man is the father of the child?
a)
1
b)
2
c)
3
d)
4
79.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
80.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
81.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
82.
Which is the likely 'sire' (dog's dad) of the given puppy?
a)
Sire A
b)
Sire B
c)
Sire C
d)
Sire D
83.
Which man is the father of child #2 (5th Column)?
a)
Male #1
b)
Male #2
c)
Neither Is likely
84.
Which male is the likely father?
a)
Male 1
b)
Male 2
85.
DNA is recovered from a suspected dead soldier.  Which Parents are the likely parents of the soldier?
a)
Parents C and D
b)
Parents E and F
c)
Parents A and B
d)
Parents G and H
86.
What is the relationship between this child and parents?
a)
Biological to mom
b)
Biological to dad
c)
Biological to both
d)
Biological to neither
87.
Which suspect’s DNA matches the felon’s DNA left at the crime scene?
a)
Suspect 1
b)
Suspect 2
c)
Suspect 3
88.

DNA fingerprinting works because....

a)

Most genes are dominant

b)

All organisms contain RNA

c)

The most important genes are different among most people

d)

No two people, except identical twins, have exactly the same DNA

89.

A method of separating molecules, such as DNA, according to their size and electrical charge.

a)

Electrophoresis

b)

DNA Fingerprint

c)

DNA Probe

90.

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

a)

DNA is negatively charged so attracted to the positive end of the unit

b)

DNA is positively charged to attracted to the negative end of the unit

c)

the agarose gel in negatively charged

d)

the agarose gel is positively charged

91.
In gel electrophoresis, the largest DNA fragment will appear
a)
closest to the starting wells
b)
farthest from the starting wells
c)
three quarters away from the starting wells
d)
it depends on how many fragments there are

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