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15
×
What parts are removed from the primary transcript when producing the mature RNA transcript?
Introns
Coding regions
Exons
Bases
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seesaw
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fairy
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25
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rocket
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lifesaver
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15
×
Which of the following barriers would not be involved in an example of sympatric speciation?
Ecological
Behavioural
Geographical
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15
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Which type of mutation would affect only one amino acid in the polypeptide produced?
Substitution
All of the above
Deletion
Insertion
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15
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Which of the following are required in a polymerase chain reaction (PCR)?
RNA polymerase, ligase and primers
RNA polymerase, template strand and primers
DNA polymerase, template strand and primers
DNA polymerase, template strand and ligase
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monster
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seesaw
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rocket
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lifesaver
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15
×
What stage of protein synthesis occurs in the nucleus?
Cutting and combining
Formation of the final 3D protein shape
Translation
Transcription
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15
×
What word describes the process by which a cell develops more specialised functions?
Transcription
Replication
Differentiation
Translation
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lifesaver
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fairy
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fairy
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banana
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15
×
When part of a chromosome becomes attached to another chromosome it is known as what?
Translocation
Inversion
Duplication
Deletion
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15
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Which type of RNA carries a copy of the genetic code from the nucleus to the ribosome?
rRNA
mRNA
tRNA
zRNA
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15
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Which of the following is true of RNA?
All of the above
Possesses the base uracil
Contains deoxyribose
Is made up of 2 strands
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15
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Which of these enzymes is required for DNA replication?
Ligase
Restriction endonuclease
Amylase
Dehydrogenase
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seesaw
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gift
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rocket
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baam
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15
×
Normal DNA - ATTTTTTACG. Mutated DNA - ATTTATTTACG. Which type of mutation has occurred?
Deletion
Substitution
Insertion
Inversion
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15
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Substitution, insertion or deletion of a single nucleotide in a DNA sequence is known as:
Chromosome structure mutation
Translocation mutation
Single gene mutation
Polyploidy
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