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WorksheetsProtein Synthesis
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
nucleic acids
c)
lipids
d)
proteins
2.
Which of the following is the template for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
3.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
4.
When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?
a)
the base increases rate of translation
b)
the base causes DNA to be transcribed in opposite direction
c)
the inserted base causes the codons in the sequence to be incorrect for the desired protein
d)
the base signals enzymes to translate DNA rather than RNA
5.
What molecules do both DNA and RNA contain?
a)
uracil
b)
nucleotides
c)
thymine
d)
deoxyribose
6.
The genetic material of an organism is composed of
a)
lipids
b)
proteins
c)
deoxyribonucleic acids
d)
complex carbohydrates
7.
Which of the following best describes how DNA and RNA are similar?
a)
they both contain A and T
b)
They both have a double helix
c)
They are both composed of 5 different nucleotides
d)
they both have C and G
8.
The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
9.
A scientist puts nucleotide chains of UUUUUU in a test tube under conditions allowing protein synthesis. Soon they are only amino acids chains of phenylalinine. What does the experiment indicate?
a)
phenylalanine is composed of uracil
b)
UUU codes for phenylalanine
c)
protein synthesis malfunctions in test tubes
d)
proteins contain one kind of amino acids
10.
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
11.
DNA sequence is ACAGTGC. How would this be coded on mRNA?
a)
TGTCACG
b)
UGUCACG
c)
GUGACAU
d)
CACUGUA
12.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
13.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
14.
Which process?
a)
mutation
b)
transcription
c)
respiration
d)
translation
15.
An RNA polymer is composed of subunits known as
a)
polysaccharides
b)
ribose molecules
c)
nucleotides
d)
uracil molecules
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