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15
×
Which of these enzymes is required for DNA replication?
Dehydrogenase
Restriction endonuclease
Ligase
Amylase
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15
×
The main components of a ribosome are:
rRNA and protein
mRNA and tRNA
mRNA and rRNA
mRNA and protein
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15
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Which of the following is true of meristems?
Specialised animal cells
Unspecialised animal cells
Unspecialised plant cells
Specialised plant cells
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boom
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seesaw
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rocket
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lifesaver
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15
×
Which of the following is the correct order of evolution?
prokaryotes > cells > eukaryotes > animals > land plants
cells > prokaryotes > eukaryotes > land plants > animals
cells > prokaryotes > eukaryotes > animals > land plants
cells > prokaryotes > animals > eukaryotes > land plants
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15
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Substitution, insertion or deletion of a single nucleotide in a DNA sequence is known as:
Polyploidy
Single gene mutation
Translocation mutation
Chromosome structure mutation
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15
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The process of editing a primary transcript to produce a mature RNA transcript is called what?
Translation
Transcription
Modification
RNA splicing
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gift
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rocket
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lifesaver
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15
×
What are DNA nucleotides made up of?
A deoxyribose sugar, phosphate and ATP
A ribose sugar, phosphate and base
A deoxyribose sugar, phosphate and base
A ribose sugar, phosphate and ATP
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15
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The genetic material in human mitochondria is arranged as:
Linear chromosomes
Circular chromosomes
Linear plasmids
Circular plasmids
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15
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Fragments of DNA which have been replicated discontinuously are joined together using what?
Ligase
Restriction endonuclease
Protease
DNA polymerase
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15
×
What kind of bonds form between adjacent amino acids in protein synthesis at the ribosome?
Hydrogen
Peptide
Strong chemical
Disulphide bridges
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gold
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shark
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baam
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15
×
If a protein contains 120 amino acids then how many bases were present in the original gene?
40
120
360
60
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15
×
During PCR, which of the following occurs at the highest temperature?
Primers bind
DNA polymerase adds nucleotides
Ligase joins DNA fragments
Strands separated
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baam
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gold
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rocket
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