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CBA 8 Review

Total questions: 60

Worksheet time: 42mins

Name
Class
Date
1.
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
2.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
3.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
4.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
5.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
6.
Which component of DNA determines the traits of an organism? 
a)
Nitrogen Bases
b)
Sugar-Phosphate Backbone
c)
Hydrogen bonds
7.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
8.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
9.

Translation is the process where

a)

mRNA is created in the Nucleus

b)

mRNA is decoded to form a protein at the ribosome

c)

glucose molecules are made

d)

is where lipids are synthesised

10.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
11.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
12.

How many amino acids are coded for by this sequence of nucleotides:

ATG GGA ACT CCA

a)

4

b)

2

c)

6

d)

12

13.
Which of the following is true of DNA?
a)
It can sometimes leave the nucleus
b)
It never leaves the nucleus
c)
It is portable
d)
It is temporary
14.

WHY must we use RNA if we already have genetic code in DNA? (multiple)

a)

RNA is portable and can be read by the ribosome

b)

RNA is more accurate than DNA

c)

DNA cannot leave the nucleus because it is unsafe

d)

DNA and RNA can be used interchangeably

15.
What happens to the RNA code when it leaves the nucleus?
a)
It remains as RNA forever
b)
It finds a ribosome and is read
c)
It leaves the cell
d)
It returns to the nucleus
16.

Why do we care so much about making proteins properly in our cells? (multiple answers)

a)

Proteins are responsible for constructing or producing EVERYTHING in our cells

b)

If a protein is made incorrectly it will not work

c)

Proteins determine all of our expressed traits

d)

Proteins are an important source of energy for the cell

17.

Why do we care so much about making proteins properly in our cells? (multiple answers)

a)

Proteins are responsible for constructing or producing EVERYTHING in our cells

b)

If a protein is made incorrectly it will not work

c)

Proteins determine all of our expressed traits

d)

Proteins are an important source of energy for the cell

18.
Which of the following is the correct order of molecules?
a)
DNA -> RNA -> Proteins
b)
Proteins -> DNA -> RNA
c)
RNA -> DNA -> Proteins
d)
There is no specific order of these molecules
19.
Transcription produces RNA by copying the:
a)
Coding Strand
b)
Template Strand
20.
tRNA molecules match the mRNA codons with a(n):
a)
Codon
b)
Anti-Codon
c)
Intron
d)
Methylated Cap
21.
When the Ribosome reaches ________________ the process of translation stops
a)
Stop Codon
b)
Okazaki Fragment
c)
Terminator
d)
taq Polymerase
22.

Which of the following best explains why a cell in the human stomach lining only manufactures a certain type of protein?

a)

The cell contains the entire human DNA sequence.

b)

The cell has limited access to amino acids in the region it is located.

c)

Acids in the stomach have mutated in the cell's DNA, causing it to only make one type of protein.

d)

Even though the cell contains all of a human's genes, it only expresses some and these code for a specific protein.

23.

What is the correct order of protein synthesis?

a)

tRNA (transcription) -> mRNA (translation)

b)

mRNA (transcritpion) -> tRNA (translation)

c)

tRNA (translation) -> mRNA (transcription)

24.

DNA is controlled and only certain genes in the DNA are "turned on" in specific cells. This regulated process is known as-

a)

Gene expression

b)

Differentiation

c)

the Cell Cycle

d)

Mutation

25.

The correct amino acid sequence for this molecule is...


Template Strand: ATCGCTAAA

a)

STOP-Arginine-Phenyl-Alanine

b)

STOP-Arginine-Leucine

c)

Isoleucine-Alanine-Lysine

d)

Isoleucine-Lysine-Alanine

26.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

27.
What part of protein synthesis does this diagram represent?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA
28.
Where do cells get the information to make proteins?
a)
RNA
b)
DNA
c)
phosphate group
29.
This is the triplet of bases on the end of a tRNA molecule
a)
Anticodon
b)
Codon
c)
Protein
30.
The function of ______ is to combine with proteins to form ribosomes.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
31.
What is the mRNA strand that would result from the DNA template strand CCTA?
a)
GGAT
b)
CCAT
c)
GGAU
d)
CCAU
32.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
33.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

34.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
35.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
36.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
37.

What process is occurring in this image?

a)

translation

b)

transcription

c)

transcontinental

d)

translocation

38.
Using the codon identify the amino acid sequence:
AUG-CCA-GUA-GGG-UAA
a)
MET-HIS-ALA-GLY-STOP
b)
MET-PRO-GLY-VAL-STOP
c)
MET-PRO-VAL-GLY-STOP
d)
MET-THR-SER-ASP-STOP
39.
What is this a picture of?
a)
mRNA
b)
tRNA
c)
rRNA
d)
pRNA
40.
The process of making proteins on the ribosome based on instructions from messenger RNA is called
a)
transcription
b)
transformation
c)
translation
d)
molecular biology
41.

Which process does this picture show?

a)

Transcription

b)

Translation

c)

Replication

42.

WHAT IS #3 (ITS CARRYING AND AMINO ACID)

a)

T RNA

b)

M RNA

c)

R RNA

43.

WHAT IS #2( #2 MATCHES UP WITH #1)

a)

CODON

b)

TRIPLET

c)

ANTI-CODON

44.

#2 IS A RIBOSOME READING THE MRNA CODE AND ASSEMBLING AMINO ACIDS AT THE TOP, THIS PROCESS IS CALLED

a)

REPLICATION

b)

TRANSLATION

c)

TRANSCRIPTION

45.

AMINO ACID AT THE TOP, ANTI-CODON AT THE BOTTOM, TRANSPORTS AMINO ACIDS TO THE RIBOSOME-WHAT IS IT?

a)

DNA

b)

MRNA

c)

TRNA

d)

RRNA

46.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
47.
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
48.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
49.
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
50.

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

51.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
52.

What process is occurring in this picture?

a)

DNA Replication

b)

DNA Transcription

c)

DNA Translation

d)

DNA Synthesis

53.

What process is occurring in this image?

a)

DNA transription

b)

DNA replication

c)

DNA translation

d)

Mitosis

54.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
55.

Environmental factors can influence the regulation of gene expression.

a)

True

b)

False

56.

Gene expression is solely determined by genes and is not impacted by the environment.

a)

True

b)

False

57.

Understanding the influence of genetic variation and environmental factors on gene expression is essential for studying human health and disease.

a)

True

b)

False

58.

Which amino acid matches with the following codon:

GAU

a)

GLU

b)

SER

c)

ASP

d)

ILE

59.
tRNA is involved in
a)
carrying amino acids 
b)
carrying ribosomes
c)
carrying glucose
d)
carrying lipids
60.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast

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