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15
×
The main components of a ribosome are:
mRNA and tRNA
rRNA and protein
mRNA and protein
mRNA and rRNA
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15
×
Which of the following is true of RNA?
Possesses the base uracil
Is made up of 2 strands
Contains deoxyribose
All of the above
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15
×
Name the trio who won the 1962 Nobel Prize in Medicine for their discovery of DNA's structure.
Diamond, Yauch and Horowitz
Best, Law and Charlton
Watson, Crick and Wilkins
Rowland, Knowles and Williams
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15
×
The process of editing a primary transcript to produce a mature RNA transcript is called what?
Transcription
Translation
RNA splicing
Modification
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15
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Which of the following barriers would not be involved in an example of sympatric speciation?
Ecological
Geographical
Behavioural
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15
×
Which type of mutation would affect only one amino acid in the polypeptide produced?
All of the above
Deletion
Substitution
Insertion
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15
×
The insertion of an extra nucleotide into a DNA sequence results in what?
Missense mutation
Neutral mutation
Frameshift mutation
Nonsense mutation
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15
×
When part of a chromosome becomes attached to another chromosome it is known as what?
Deletion
Translocation
Inversion
Duplication
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15
×
Which type of chromosome structure mutation is important for evolution?
Duplication
Deletion
Translocation
Inversion
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thief
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rocket
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rocket
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thief
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thief
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fairy
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rocket
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banana
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15
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Which of the following is the correct order of evolution?
cells > prokaryotes > animals > eukaryotes > land plants
cells > prokaryotes > eukaryotes > land plants > animals
cells > prokaryotes > eukaryotes > animals > land plants
prokaryotes > cells > eukaryotes > animals > land plants
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heart
Other team wins 15 points!
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rocket
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shark
Other team loses 25 points!
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thief
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15
×
The genetic material in human mitochondria is arranged as:
Linear plasmids
Circular chromosomes
Circular plasmids
Linear chromosomes
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15
×
Natural selection of human babies of medium rather than low or high mass is an example of?
Directional selection
Disruptive selection
Stabilising selection
Sexual selection
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heart
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shark
Other team loses 25 points!
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shark
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lifesaver
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