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biology module 11 review

Total questions: 64

Worksheet time: 34mins

Name
Class
Date
1.

In DNA, adenine bonds with ______________.

a)

Guanine

b)

Thymine

c)

Cytosine

d)

Adenine

2.

In DNA, guanine bonds with ______________.

a)

Adenine

b)

Guanine

c)

Cytosine

d)

Thymine

3.

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)

UAC ACU GUC

4.

Regarding eukaryotes, in what organelle is DNA usually found?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

5.

Which shows the correct complementary base pairing for DNA?

a)

C-A, T-G

b)

A-G, C-T

c)

C-G, U-A

d)

T-A, G-C

6.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
7.

The building block of nucleic acids are nucleotides. Nucleotides are composed of a sugar, a phosphate group, and a _______-containing base.

a)

oxygen

b)

hydrogen

c)

nitrogen

d)

carbon

8.

_______ is the sugar found in DNA.

a)

Sucrose

b)

Glucose

c)

Deoxyribose

d)

Ribose

9.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
10.

Which 2 molecules form the sides ("rails") of the DNA ladder?

a)

deoxyribose sugar and adenine

b)

deoxyribose sugar and a hydrogen bond

c)

deoxyribose sugar and an amino acid

d)

deoxyribose sugar and a phosphate group

11.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
12.
A long chain of amino acids is a/an
a)
protein
b)
nucleic acid
c)
tRNA
d)
mRNA
13.

If a DNA molecule consists of 29% Guanine, how much Cytosine will it contain?

a)

29%

b)

58%

c)

21%

d)

71%

14.

A nucleotide is made up of three parts: which of these is not one of those parts?

a)

sugar

b)

phosphate

c)

lipid

d)

base

15.
A strand of DNA that looks like a twisted ladder is called a _____________________
a)
triple twist
b)
corkscrew
c)
double helix
d)
chain reaction
16.

The process of DNA _______ is the exact copying of a DNA molecule.

a)

replication

b)

translation

c)

transcription

d)

translocating

17.

Which of the following best describes the shape of a DNA molecule?

a)

double helix

b)

triple helix

c)

ring-shaped

d)

single helix

18.

DNA codes for...

a)

simple sugars

b)

proteins

c)

lipids

d)

fatty acids

19.
DNA polymerase is a(n)
a)
lipid
b)
enzyme
c)
sugar
d)
starch
20.

Name this structure

a)

lipid

b)

nucelotide

c)

polypeptide

d)

amino acid

21.

Which two scientists were the first to build the double helix model of DNA?

a)

Watson and Crick

b)

Wilkins and Franklin

c)

Wilkins and Crick

d)

Watson and Franklin

22.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
23.

The enzyme that unzips the DNA to prepare for replication is known as

a)

helicase

b)

replicase

c)

polymerase

d)

synthase

24.
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
25.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
26.
Who is responsible for producing this image?
a)
Francis Crick
b)
James Watson
c)
Rosalind Franklin
d)
Watson and Crick
27.

What does this image show?

a)

the double helical structure of DNA

b)

the triple helical structure of DNA

c)

the double helical structure of RNA

d)

the triple helical structure of RNA

28.

What did Erwin Chargaff conclude from his experiments?

a)

Nitrogen bases are held together by peptide bonds

b)

A and T and C and G always occur in equal amounts

c)

Proteins are the carriers of genetic information

d)

C and G rarely occur in eukaryotic organisms

29.

What was Watson and Crick's main scientific accomplishment?

a)

Building the first accurate model of DNA.

b)

Isolating strains of pneumonia causing bacteria.

c)

Determining base pairing rules.

d)

Discovering the process of genetic transformation.

30.

From his work with mice and pneumonia-causing bacteria, Frederick Griffith discovered what?

a)

Replication

b)

Transcription

c)

Transformation

d)

Translation

31.
By using radioactive isotopes, Hershey and Chase were able to conclude that _____ is the carrier of genetic information.
a)
DNA
b)
Protein
c)
Carbohydrate
d)
Lipid
32.
The work of Erwin Chargaff allowed Watson and Crick to determine the rules of.......
a)
protein synthesis
b)
transcription
c)
hydrogen bonding
d)
nitrogen base pairing
33.

Rosalind Franklin's famous "Photo 51" allowed Watson and Crick to determine the _______ of DNA.

a)

helical shape

b)

triple backbone

c)

nitrogen bases

d)

hydrogen bond configuration

34.
Who was responsible for the model shown?
a)
Oswald Avery
b)
Watson and Crick
c)
Erwin Chargaff
d)
Rosalind Franklin
35.

What are the three main types of mutations?

a)

insertions, deletions, and substitutions

b)

deletions, segmentations, and substitutions

c)

insertions, segmentations, and substitutions

36.

What type of mutation has occurred?

Normal=GAGCTCGACAGA

Mutant= GAGCTCCACAGA

a)

segmentation

b)

substitution

c)

insertion

d)

deletion

37.

What type of mutation has occurred?

Normal=GAGCTCGACAGA

Mutant=GAGCCGACAGA

a)

substitution

b)

deletion

c)

insertion

d)

segmentation

38.
What do hurtful mutations do? 
a)
Decrease chances of survival 
b)
Increases changes of survival 
c)
Decreases likelihood of developing cancer
d)
Increases likelihood of developing cancer
39.
What do helpful mutations do? 
a)
Increases chances of survival 
b)
Decreases changes of survival 
c)
Increases chances of developing cancer
d)
Decreases skills
40.

What type of mutation has occurred?

Normal=GAGCTCGACAGA

Mutant= GAGCTCCGACAGA

a)

segmentation

b)

substitution

c)

insertion

d)

deletion

41.

Deletion and insertion mutations can cause

a)

frameshifts.

b)

replication.

c)

translation.

d)

protein synthesis.

42.

Who worked with Rosalind Franklin to publish X-ray crystallography images of DNA?

a)

James Watson

b)

Francis Crick

c)

Maurice Wilkins

d)

Alfred Hershey

43.

What scientist was trying to find a cure for pneumonia?

a)

James Watson

b)

Frederick Griffith

c)

Maurice Wilkins

d)

Oswald Avery

44.

Which scientist first determined that DNA was the transforming factor from the pneumonia bacteria experiments?

a)

Francis Crick

b)

Alfred Hershey

c)

Martha Chase

d)

Oswald Avery

45.

How does RNA differ from DNA?

a)

RNA contains uracil and deoxyribose

b)

RNA contains ribose and thymine

c)

RNA contains uracil and ribose

d)

RNA contains adenine and ribose

46.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
47.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
48.
Which of the following describes RNA?
a)
RNA is usually double-stranded and contains the base thymine
b)
RNA is usually single-stranded and contains the base uracil
c)
RNA is longer than DNA and uses five bases to encode information
d)
RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions
49.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
50.
Which of the following statements about the genetic code is true?
a)
A codon can specify more than one amino acid
b)
Every codon specifies a different amino acid
c)
Some codons specify the same amino acid
d)
Some codons have no function at all
51.

The process of making proteins in the ribosomes based on instructions from messenger RNA is called

a)

transcription

b)

transformation

c)

translation

d)

molecular biology

52.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
53.
A substance that can cause a change in the DNA code of an organism is called a 
a)
toxin
b)
mutagen
c)
nitrogenous base
d)
nucleotide
54.

If a strand of DNA contains 20% thymine, how much guanine would be present?

a)

30%

b)

20%

c)

80%

d)

10%

55.

What does this picture represent?

a)

an amino acid

b)

a lipid

c)

a nucleotide

d)

a DNA molecule

56.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
57.
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
58.

mRNA is made in the _______.

a)

nucleus

b)

ribosome

c)

mitochondria

d)

cytoplasm

59.
What type of RNA travels outside the nucleus?
a)
transfer
b)
messenger
c)
ribosomal
d)
nuclear
60.

The actual decoding of mRNA to a protein is called ?

a)

translation

b)

replication

c)

transcription

d)

nuclear fission

61.

The building blocks of proteins are _______.

a)

carbohydrates

b)

sugars

c)

lipids

d)

amino acids

62.

A sequence of three letters associated with mRNA is called a/an _______.

a)

anticodon

b)

codon

c)

tri code

d)

gene

63.

What organelle does the mRNA attach to in order to make the protein?

a)

ribosome

b)

mitochondria

c)

chloroplast

d)

lysosome

64.

During protein synthesis, an mRNA strand is transcribed from the following strand of DNA: GCG TTA CCT. What is the complementary mRNA strand?

a)

CGC UUT CCT

b)

CGC AAU GGA

c)

GCG UUA CCU

d)

CGC AAT GGA

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