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WorksheetsDNA QUIZ REVIEW
Total questions: 18
Worksheet time: 10mins
The shape of DNA is describe as a
ladder
loopy ladder
helix
double helix
The building block of DNA is called a
amino acid
nucleotide
gene
cell
Check all of the parts of a nucleotide (there are 3)from the list below
amino acid
sugar
protein
nitrogen base
phosphate
The name of the process in which DNA copies itself is ____
transcription
translation
replication
duplication
DNA's message is determined by the order of its___
proteins
nitrogen bases
amino acids
phosphates
The scientist who used X-rays to take picture 51 was ___
Francis Crick
James Watson
Rosalind Franklin
Maurice Wilkins
What is the name of the enzyme that unzips the strands of DNA during replication?
helicase
zippycase
polymerase
Bob
If one DNA strand has the base sequence AAG TCA, the complementary strand of DNA will have the base sequence
CCT GAC
UUC AGU
TTC AGT
AAG TCA
What is the first step of replication?
Free nucleotides are added to the half strand
the DNA unzips
the result is 2 identical DNA strands
What is the second step of replication?
Free nucleotides are added to the half strand
the DNA unzips
the result is 2 identical DNA strands
Which is true of BOTH DNA and RNA
they both contain phosphate
they both contain uracil
they both are double stranded
they both contain ribose
A sequence of three nitrogen bases is called a __
mutation
codon
electron
proton
If a strand of DNA has the bases ATG CAG, what is the sequence of bases on the mRNA that it transcribes?
TAC GTC
UAC GUC
CAG ATG
What is the first step of protein synthesis called?
mutation
transcription
translation
transatlantic
If an mRNA has the codon AUU, the tRNA that attaches to it has the sequence___
UAA
TAA
UTT
ATT
WHere does protein synthesis happen?
nucleus
ribosome
lysosome
protein factory
t RNA carries ____
nucleotides
amino acids
nitrogen bases
The building blocks of proteins are
amino acids
nucleotides
cells
genes
