wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 5 CB

Total questions: 81

Worksheet time: 1hrs 29mins

Name
Class
Date
1.

What process is steps 1-3 referring to?

a)

DNA Replication

b)

Transcription

c)

Translation

d)

Nucleus

2.

What is 11. pointing to?

a)

Cytoplasm

b)

Ribosome

c)

mRNA

d)

Nucleus

3.

What is 2. pointing to?

a)

Cytoplasm

b)

Ribosome

c)

mRNA

d)

Nucleus

4.

What process is step 12 referring to?

a)

DNA Replication

b)

Transcription

c)

Translation

d)

Nucleus

5.

What does tRNA carry to the ribosome?

a)

Nucleus

b)

Codons

c)

Amino Acids

d)

None of the Above

6.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

7.

Why must transcription occur where DNA can be found?

a)

because DNA can't leave

b)

because ribosomes are in the nucleus

c)

because DNA polymerase is found there

d)

because helicase unzips the DNA

8.

Which of the following is a codon?

a)
b)

ATG

c)

AUG

d)

AUT

9.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

10.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

11.

On which molecule can an anticodon be found?

a)

mRNA

b)

DNA

c)

tRNA

d)

rRNA

12.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

13.

How do you know when to begin translating a strand of mRNA?

a)

look for AUG

b)

start at the beginning

c)

look for ATG

d)

when the teacher says so!!!

14.

TRANSLATE this RNA sequence: AUGCAAUGA

a)

Met-Glu-Stop

b)

Met-His-Stop

c)

Thr-Glu-Stop

d)

Thr-Pro-Stop

15.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
16.

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

17.
One human disease is caused by a change in one codon in a gene from GAA to GUA. The disease is a result of 
a)
a mutation
b)
crossing-over
c)
a meiosis error
d)
polyploidy
18.

Another name for a point mutation is:

a)

Substitution

b)

Frameshift

c)

Insertion

d)

Deletion

19.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.
a)
Base Substitution
b)
Base Insertion
c)
Base Inversion
d)
Translocation
20.
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
21.
Which best describes the role of free floating nucleotides (A, C, G, & T) in the illustration?
a)
They are recycled when the DNA is composed. 
b)
They are molecular machines the tare used to read ATP. 
c)
They are enzymes that are produced when the DNA is read. 
d)
They are the building blocks that are used to make new strands.
22.
Which type of bond, denoted by the arrows, allows DNA to be readily replicated?
a)
ionic bond
b)
peptide bond
c)
covalent bond
d)
hydrogen bond
23.
Which explains how the second strand of DNA compares with the first strand of DNA?
a)
The second is a complement of the first strand.
b)
The second has more nucleotides than the first strand.
c)
The second strand is a double helix, and the first strand is a double helix. 
d)
The second strand is coded to produce a different protein than the first strand. 
24.
During replication, the DNA template was exposed to show the sequence ACG. How will the complementary strand be arranged? 
a)
ACG
b)
CAT
c)
GTA
d)
TGC
25.
What are the primary components of a nucleotide? 
a)
base, phosphate, and sugar
b)
acid, base, and phosphate 
c)
base, oxygen, and phosphate
d)
acid, chlorine, and hydrogen
26.
Which nucleotide is complementary to adenine?
a)
adenine
b)
cytosine
c)
guanine
d)
thymine
27.
What is the complementary base to cytosine in DNA?
a)
uracil
b)
thymine
c)
guanine
d)
adenine 
28.
Which best describes the shape of a DNA molecule? 
a)
single helix 
b)
double helix
c)
single strand
d)
t-shaped strand
29.
What statement best describes the role of DNA in protein synthesis? 
a)
DNA carries the amino acid to the ribosomes. 
b)
DNA forms the structural parts of the ribosomes.
c)
DNA joins the chains of amino acids to form a protein. 
d)
DNA contains the information for building individual proteins. 
30.
The DNA sequence ACTCG produces which mRNA sequence during transcription? 
a)
TGAGC
b)
UGAGC
c)
ACTCG
d)
ACUCG
31.
During transcription, the genetic information for make in protein is rewritten Which molecule is formed during transcription? 
a)
transfer RNA
b)
ribosomal RNA
c)
messenger RNA
d)
transcriptional RNA
32.
What is the function of transfer RNA?
a)
It is a part of the ribosome. 
b)
It delivers the correct amino acid to the ribosome. 
c)
It bonds to other RNA molecules, leading to their destruction. 
d)
It carries the information coding for the amino acid sequence of a protein. 
33.
Which best describes the process of translation? 
a)
Translation occurs within he nucleus. 
b)
Translation involves copying a DNA strand. 
c)
An mRNA strand is produced by the process of translation. 
d)
A growing protein chain is produced by the process of translation. 
34.
What is a possible DNA sequence for the amino acid sequence phenylalanine-glycine-threonine? 
a)
UUU GGG ACC
b)
AAA CCC UGG
c)
TTT GGG ACC
d)
AAA CCC TGG
35.
Which of these shows the correct order for the central dogma of molecular biology?
a)
DNA to protein to RNA
b)
RNA to DNA to protein
c)
protein to DNA to RNA
d)
DNA to RNA to protein
36.
Transcription of the sequence TTAAG produces which sequence? 
a)
TTAAG 
b)
UUAAG
c)
AAUUC
d)
AATTC
37.
During protein synthesis, the RNA sequence UAC GAU CUA, is produced from then DNA sequence ATG CTA GAT. Which process is occurring? 
a)
translation
b)
transcription
c)
transmutation
d)
transformation
38.
Which best describes the information contained in genes? 
a)
instructions for assembling pyrimidines
b)
instructions for assembling purines
c)
instructions for assembling proteins
d)
instructions for assembling plasmids
39.
Which part of the DNA molecule determines an organism's traits? 
a)
hydrogen bond
b)
phospholipid group
c)
sugar-phosphate backbone
d)
complementary base pairing
40.
Which type of RNA delivers the genetic code to the ribosome?
a)
rRNA
b)
mRNA
c)
tRNA
d)
tmRNA
41.
Which best describes the role of mRNA in protein synthesis? 
a)
mRNA brings amino acids to the ribosome where they are connected to construct a protein.
b)
mRNA forms the peptide bonds connecting amino acids together to construct a protein 
c)
mRNA decodes the sequence of tRNA into the amino acids used to construct a protein
d)
mRNA brings the code of DNA to the ribosome where it is used to construct a protein
42.

The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.

a)

lipid, carbon

b)

sugar, phosphate

c)

nitrogen, oxygen

d)

nitrogen, sulfur

43.

What are the four nitrogen bases found in DNA?

a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
44.
The shape of the DNA molecule is a double __________________?
a)
"S"
b)
helix
c)
rope
d)
curve
45.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
46.
When DNA makes a copy of itself, the new strands are identical or different?
a)
identical
b)
different
47.
What kind of information does DNA carry?
a)
genetic
b)
nuclear
c)
cell structure
d)
it doesn't carry any info
48.

DNA makes a copy of itself in a process called ________________________________?

a)

translation

b)

replication

c)

transcription

d)

division

49.
What are the building blocks for DNA?
a)
carbohydrates
b)
nucleotides
c)
lipids
d)
proteins
50.

Which of the following are the bases for RNA?

a)

adenine, uracil, thymine, and guanine

b)

adenine, uracil, guanine, and cytosine

c)

adenine, thymine, guanine, and cytosine

d)

adenine, uracil, thymine, and cytosine

51.

Which statement is true about RNA?

a)

RNA is usually single stranded and contains the base uracil

b)

RNA is usually double stranded and contains the base thymine

c)

RNA is made in the nucleus and stays there to carry out its function

d)

All of the above are true.

52.

True or False: RNA uses deoxyribose sugar.

a)

True

b)

False

53.

True or False: Transcription is the process by which the information in a strand of DNA is copied into a messenger RNA (mRNA).

a)

True

b)

False

54.

Transcribe the following DNA strand:

ATAGC

(a)  

55.

Transcribe the following DNA strand:

ACT GTA CCA

(a)  

56.

RNA and DNA have different structures. Which of the following statements are correct?

a)

RNA is double stranded and DNA is single stranded.

b)

RNA and DNA are both single stranded.

c)

RNA is single stranded and DNA is double stranded.

d)

RNA and DNA are both double stranded.

57.

RNA and DNA are composed of different sugars. Which of the following statements are true?

a)

RNA uses ribose and DNA uses deoxyribose.

b)

RNA uses deoxyribose and DNA uses ribose.

c)

DNA and RNA both use ribose sugars.

d)

DNA and RNA both use deoxyribose sugars.

58.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
59.
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
60.
What is a Gene?
a)
A segment of RNA that encodes for a protein
b)
A chromosome
c)
A segment of DNA that encodes for a protein
d)
Your genome
61.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
62.
Are all mutations bad?
a)
Yes
b)
No
63.
What pairs with Adenine (A)? 
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine (T)
64.
What pairs with Thymine (T)?
a)
Adenine (A)
b)
Thymine (T)
c)
Guanine (G)
d)
Cytosine (C) 
65.
What pairs with Guanine (G)?
a)
Adenine (A)
b)
Thymine (T)
c)
Cytosine (C)
d)
Guanine (G)
66.
What pairs with Cytosine (C)?
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine
67.
What are the three types of mutation? 
a)
Insertion, Deletion, Subsitution
b)
Deletion, Newstion, Subsitution 
c)
Newstion, Deletion, Insertion 
d)
Insertion, Newstion, Substitution 
68.
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
69.

Mutations are__________

a)

Harmful

b)

Harmful or beneficial

c)

Neutral

d)

Harmful, neutral, or beneficial

70.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
71.
Original DNA: CAT GAT
New DNA: CAT AT
What mutation occurred?
a)
deletion
b)
substitution 
c)
tranverse
d)
insertion
72.

Can DNA mutations(changes) be passed on to offspring?

a)

yes

b)

no

73.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
74.

Some mutations are beneficial for the organism.

a)

True

b)

False

75.

A mutation where a base is left out of a genetic sequence is a _______________.

a)

translocation

b)

deletion

c)

insertion

d)

substitution

76.

A mutation where a base is added is called a ____________.

a)

deletion

b)

insertion

c)

translocation

d)

substitution

77.

A mutation where a different base is used in the place of another is a ______________.

a)

deletion

b)

insertion

c)

translocation

d)

substitution

78.

For the original code CTGGAG what type mutation is CTGGTGGAG?

a)

deletion

b)

insertion

c)

substitution

d)

translocation

79.

For the original code CTGGAG, what type mutation is CTAG?

a)

deletion

b)

insertion

c)

substitution

d)

translocation

80.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
81.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus

Similar Resources on Wayground

9 Weeks Test Review

77 questions

9 Weeks Test Review

quiz

Worksheet

•

9th - 10th Grade

Quiz #3 Review

85 questions

Quiz #3 Review

quiz

Worksheet

•

12th Grade

Physics Definitions and formulae

80 questions

Physics Definitions and formulae

quiz

Worksheet

•

9th - 10th Grade

CP First Semester Final Review

80 questions

CP First Semester Final Review

quiz

Worksheet

•

8th - 10th Grade

Evolution Unit Review

78 questions

Evolution Unit Review

quiz

Worksheet

•

9th - 12th Grade

Medicine - Medieval to Industrial

76 questions

Medicine - Medieval to Industrial

quiz

Worksheet

•

11th Grade

BIO Unit 2 Cell Structure Review

85 questions

BIO Unit 2 Cell Structure Review

quiz

Worksheet

•

9th - 10th Grade

Science Test Review

79 questions

Science Test Review

quiz

Worksheet

•

8th Grade - University