2564545
Pregunta 1
Pregunta
Which one comes first, Translation or transcription?
Respuesta
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Transcription
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Translation
Pregunta 2
Pregunta
What happens in transcription?
Respuesta
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mRNA is made
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tRNA is made
Pregunta 3
Pregunta
Fist stage of transcription- The Gene unwinds and unzips by dipping into the ...
Respuesta
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Nucleus
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Nucleolus
Pregunta 4
Pregunta
The hydrogen bonds break. 2nd stage- Activated RNA nucleotides bind to exposed complementary bases on the template strand. What does U, G and A bind with? (in order)
Respuesta
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C , T , A
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T , C, A
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A , C, T
Pregunta 5
Pregunta
The process of complementary base pairing is catalysed by the enzyme...
Respuesta
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RNA polymarise
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RNA polymerase
Pregunta 6
Pregunta
Stage 3 of transcription) 2 extra phosphate groups are released, which releases energy for bonding ( ) nucleotides. (Fill in the missing word)
Respuesta
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Opposite
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Adjacent
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Surrounding
Pregunta 7
Pregunta
The coding strand is what to the base sequence of the new mRNA?
Respuesta
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A copy
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Complementary
Pregunta 8
Pregunta
The last stage of transcription; the mRNA is released from the DNA through a pore in the...
Respuesta
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Ribosome
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Nuclear envelope
Pregunta 9
Pregunta
What is the first stage of translation?
Respuesta
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mRNA binds to a tRNA, attached to the small subunit and is exposed to the large subunit.
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mRNA binds to a ribosome, 3 codons are attached to the large subunit and are exposed to the small subunit.
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mRNA binds to a ribosome, 2 codons attached to the small subunit and are exposed to the large subunit.
Pregunta 10
Pregunta
The first mRNA codon is always...
Respuesta
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AUG
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AUU
Pregunta 11
Pregunta
tRNA brings the anticodon, then a second tRNA brings a second anticodon. What bonds form between the two adjacent amino acids?
Respuesta
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Covalent
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polypeptide
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peptide
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Chemical
Pregunta 12
Pregunta
Ribose now moves along the mRNA reading the next codon. The polypeptide chain grows until something is reached. What is this something?
Respuesta
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Stop anticodon
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Stop codon
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Stop amino acid
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