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DNA & RNA

Total questions: 56

Worksheet time: 56mins

Name
Class
Date
1.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
2.

What are the 4 nitrogen bases of DNA?

a)

adenine, thymine, cytoplasm, and guanine

b)

adenine, thymine cytosine, and guanine

c)

adenine, thymine, cytosine, and gylcerol

d)

adenine, thymine, cytosine, and glucose

3.
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
4.
A segment of DNA that codes for a protein is called a...
a)
Enzyme
b)
Mutation
c)
Gene
d)
Complimentary
5.
mRNA is important, because it __________.
a)
Carries info from genes to ribosomes
b)
Carries amino acids to ribosomes
c)
Helps with RNA splicing
d)
Makes up ribosomes
6.

Who is credited for discovering the structure of DNA?

a)

Hershey & Chase

b)

Griffith & Avery

c)

Wilkins & Franklin

d)

Watson & Crick

7.
DNA has
a)
2 strands
b)
1 strand
c)
No strands
d)
3 strands
8.
What is the sugar for in DNA?
a)
DNA polymerase
b)
Phosphate
c)
RIbose
d)
Deoxyribose
9.
RNA stands for ________________
a)
Riboacids
b)
Ribose
c)
Ribonucleotides
d)
Ribonucleic Acid
10.
The sugar found in DNA is 
a)
Ribose
b)
Deoxyribose
c)
Glucose
d)
Lactic
11.
According to the base pairing rules, the nitrogen base guanine will always pair with 
a)
cytosine
b)
thymine
c)
adenine
d)
lytosine
12.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
13.
Which of the following bases is NOT found in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Cytosine
14.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
15.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
deoxyribose and the nucleus
d)
deoxyribose and phosphate
16.
What is at #3
a)
Sugar-Phosphate 
b)
Nitrogen Base
c)
Sugar only
d)
Phosphate only
17.
What is at #4
a)
Adenine
b)
Guanine
c)
Thymine
d)
Cytosine
18.
What is at #2
a)
Adenine
b)
Guanine
c)
Thymine
d)
Cytosine
19.
What is at #5
a)
Adenine
b)
Guanine
c)
Thymine
d)
Cytosine
20.
What is at #1
a)
Adenine
b)
Guanine
c)
Thymine
d)
Cytosine
21.
The code (message) for making proteins is carried to the ribosome by what molecule?
a)
tRNA
b)
rRNA
c)
mRNA
d)
DNA
22.
Which one is not a way RNA and DNA are different?
a)
RNA is single strand-DNA is double stranded
b)
RNA has uracil instead of thymine
c)
RNA has the sugar ribose instead of deoxyribose
d)
RNA cannot leave nucleus while DNA can
23.

A diagram of family history used for tracing a trait.

a)

Pedigree

b)

Karyotype

c)

Genome

d)

Heredity

24.

All the DNA in one cell of an organism

a)

Pedigree

b)

Karyotype

c)

Genome

d)

Heredity

25.

A picture of all the chromosomes in a cell arranged in pairs

a)

Pedigree

b)

Karyotype

c)

Genome

d)

Heredity

26.

The passing of traits from parent to offspring

a)

Pedigree

b)

Karyotype

c)

Genome

d)

Heredity

27.

The process of selecting a few organisms with desired traits to serve as the parents of the next generation

a)

Hybridization

b)

Inbreeding

c)

Cloning

d)

Selective Breeding

28.

Crossing two individuals that have identical or similar sets of genes

a)

Hybridization

b)

Inbreeding

c)

Cloning

d)

Selective Breeding

29.

Creating an organism that is genetically identical to the organism from which it was produced

a)

Hybridization

b)

Inbreeding

c)

Cloning

d)

Selective Breeding

30.

Crossing two genetically different individuals

a)

Hybridization

b)

Inbreeding

c)

Cloning

d)

Selective Breeding

31.

The insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder

a)

Hybridization

b)

DNA Fingerprinting

c)

Cloning

d)

Gene Therapy

32.

DNA from a person, crime scene, etc. that is processed to form a picture of the DNA pattern in an individual.

a)

Hybridization

b)

DNA Fingerprinting

c)

Cloning

d)

Gene Therapy

33.

Any change in a gene or chromosome of a cell

a)

Gene

b)

Mutation

c)

Cloning

d)

Gene Therapy

34.

A segment of DNA - that codes for a protein

a)

Gene

b)

Mutation

c)

Cloning

d)

Gene Therapy

35.

Which cell organelle is DNA usually found in?

a)

chloroplast

b)

vacuole

c)

nucleus

d)

ribosome

36.
What disease is characterized by abnormally shaped red blood cells?
a)
hemophilia
b)
sickle cell anemia
c)
phenylketonuria
d)
Huntington's 
37.
What does a horizontal line between a square and a circle mean?
a)
They are siblings
b)
They are cousins
c)
They are married ("together")
d)
They are the children
38.

How many generations are shown in this pedigree?

a)

1

b)

2

c)

3

d)

4

39.
How many females are colorblind?
a)
1
b)
8
c)
6
d)
14
40.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
41.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
42.
A couple that have a family history of a genetic disorder might wish to receive advice from a ___________.
a)
mutated allele
b)
genetic counsellor
c)
family dentist
d)
brother or sister
43.

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

a)

ribose sugar and base

b)

ribose sugar and phosphate

c)

nitrogen base and deoxyribose sugar

d)

deoxyribose sugar and phosphate

44.
Which of the following is not a base found in DNA?
a)
adenine
b)
thymine
c)
cytosine
d)
uracil
45.
A doctor may use a _________ to examine the chromosomes in a cell.
a)
x-ray
b)
blood test
c)
karyotype
d)
hemoglobin
46.
Which of the following is true of your sex chromosomes?
a)
I have two Y chromosomes.
b)
I have at least one X chromosomes.
c)
They aren't developed until I turn 13.
d)
They are afraid of one another.
47.
What genetic disorder is when a person's blood clots very slowly or not at all?
a)
Down Syndrome
b)
Hemophilia
c)
Cystic Fibrosis
d)
Sickle-Cell
48.

When DNA replicates (makes a copy of itself), what is the result?

a)

2 new DNA molecules each one with two new strands.

b)

2 new DNA molecules each one with original strands.

c)

2 new DNA molecules each one with one new strand and one original strand

d)

2 new DNA molecules each one with two new strands and two original strands

49.

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
50.

DNA is shaped in a:

a)

double helix

b)

tightly packed swirl

c)

twisted ladder

d)

nucleotide

51.

How many individual chromosomes do human cells have?

a)

46

b)

23

c)

2

d)

44

52.

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

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

53.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
54.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

a)

Substitution

b)

Insertion

c)

Inversion

d)

Deletion

55.

The "m" in mRNA stands for

a)

mitosis

b)

message

c)

meiosis

d)

monomer

56.

Which of the following is NOT one of the mutation types?

a)

Insertion

b)

Deletion

c)

Substitution

d)

Cloning

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