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WorksheetsDNA/RNA/Mitosis/Meiosis
Total questions: 85
Worksheet time: 1hrs 26mins
Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
3.
Adenine bonds with ______________. (in DNA)
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
4.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
5.
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
6.
What are the 4 nitrogen bases? (in 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
7.
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
8.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
9.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
10.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
11.
In RNA, Uracil pairs with ______.
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
12.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
13.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
14.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCA
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
15.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
16.
What process is going on in this photo?
a)
Transcription
b)
Translation
c)
Replication
d)
All the above
17.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
18.
Set of nitrogen bases that are complementary to one codon
a)
peptide bond
b)
polypeptide
c)
anti-codon
d)
amino acid
19.
How many types of amino acids are there?
a)
15
b)
21
c)
22
d)
20
20.
What sugar does RNA contain?
a)
phosphate
b)
ribose
c)
fatty acid
d)
Sugra
21.
For RNA, What is thymine replaced with?
a)
Uracil
b)
mRNA
c)
tRNA
d)
Ribo
22.
What are proteins made of?
a)
Ribosomes
b)
Pedigree
c)
Amino Acids
d)
2 nitrogen bonds
23.
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
24.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
25.
Where does transcription occur?
a)
Cytoplasm
b)
Cell Membrane
c)
Nucleus
d)
Ribosome
26.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
27.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
28.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
29.
The anticodon is located on the
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
30.
When DNA is replicated, which enzyme adds base pairs following specific pairing rules
a)
DNA Ligase
b)
DNA helicase
c)
DNA polymerase
d)
DNA replicase
31.
How much Cytosine is present if the DNA consists of 21% Adenine?
a)
21%
b)
29%
c)
42%
d)
58%
32.
During DNA replication _________ breaks hydrogen bonds and unzips the original DNA molecule.
a)
DNA helicase
b)
DNA ligase
c)
DNA polymerase
d)
DNA transferase
33.
The three main types of RNA are…
a)
mRNA, tRNA, sRNA
b)
mRNA, dRNA, sRNA
c)
mRNA, rRNA, dRNA
d)
mRNA, tRNA, rRNA
34.
What are the four stages of mitosis?
a)
Interphase, Prophase, Mitosis, Anaphase
b)
Interphase, Mitosis, Cytokinesis, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Prophase, Metaphase, Telophase, Cytokinesis
35.
What regulates the cell cycle? Select all that apply
a)
DNA
b)
Growth Factors
c)
Apoptosis
d)
Cancer
36.
What is the correct order to make a protein?
a)
Protein, DNA, RNA
b)
RNA, DNA, Protein
c)
DNA, RNA, Protein
d)
Protein, RNA, DNA
37.
What enzyme does transcription use?
a)
DNA polymerase
b)
ligase
c)
RNA polymerase
d)
helicase
38.
Which RNA brings amino acids?
a)
rRNA
b)
tRNA
c)
mRNA
39.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
40.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
41.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
42.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
43.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
44.
A triplet of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
45.
How many nucleotides make a codon?
a)
1
b)
2
c)
3
d)
6
46.
Transcribe the following DNA strand: CTG AAT
a)
GAC TTA
b)
CTG AAT
c)
GAC UUA
d)
CUG AAU
47.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
48.
Which RNA bases would pair with CGTAGG in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
49.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
50.
Which of the following polypeptides is coded for by the mRNA sequence 5' AUGGUUAAA 3'?
a)
Val, Lys, Phe, Gly
b)
Met, Asp, Phe
c)
Met, Val, Lys
d)
Ile, Gln, Leu, Ser
51.
What is the correct amino acid for the following codon:
GGU
GGU
a)
Gly
b)
Met
c)
Ser
d)
Ala
52.
What is the correct amino acid for the following codon:
UGA
UGA
a)
Stop
b)
Met
c)
Asp
d)
Ala
53.
What is the correct amino acid for the following codon:
UGA
UGA
a)
Stop
b)
Met
c)
Asp
d)
Ala
54.
What is the correct amino acid for the following codon:
CAA
CAA
a)
Arg
b)
Met
c)
Gln
d)
Val
55.
What is the correct amino acid for the following codon:
AUG
AUG
a)
Val
b)
Met
c)
Tyr
d)
Gly
56.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
57.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
58.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
59.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
60.
Chromatid pairs separate and move to opposite ends of the cell
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
61.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
62.
Chromosomes duplicate, the cell grows and develops
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
63.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
64.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
65.
Which part of the Cell Cycle takes the longest?
a)
Interphase
b)
Mitosis
c)
Prophase
d)
Cytokinesis
66.
What happens in the first part of Interphase?
a)
Mitosis
b)
Cell Growth
c)
DNA Replication
d)
Anaphase
67.
What part of the cell cycle results in the splitting of the new cells?
a)
Interphase
b)
Mitosis
c)
Metaphase
d)
Cytokinesis
68.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
69.
Any substance that is known to cause cancer is called a
a)
carcinogen
b)
nicolyte
c)
pathogen
d)
retrovirus
70.
Cancer tumors result from
a)
rapid cell division
b)
rapid DNA replication
c)
slow cell division
d)
long interphase
71.
What are the three types of mutation?
a)
Insertion, Deletion, Subsitution
b)
Deletion, Newstion, Subsitution
c)
Newstion, Deletion, Insertion
d)
Insertion, Newstion, Substitution
72.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
73.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
74.
What do helpful mutations do?
a)
Increases chances of survival
b)
Decreases changes of survival
c)
Increases chances of developing cancer
d)
Decreases skills
75.
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
76.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
77.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
78.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
79.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
80.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
81.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
82.
A human body (somatic) cell usually has how many chromosomes?
a)
6
b)
22
c)
4
d)
46
83.
The enzyme that unwinds the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
84.
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
85.
Which enzyme fixes the Okazaki fragments in the lagging strand?
a)
Helicase
b)
Polymerase
c)
Ligase
d)
Primerase
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