Exam (elaborations)
TRANSCRIPTION AND TRANSLATION AQA BIOLOGY A-LEVEL(14 QUESTIONS AND ANSWERS)
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TRANSCRIPTION AND TRANSLATION AQA BIOLOGY A-LEVEL(14 QUESTIONS AND ANSWERS)
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TRANSCRIPTION ANDTRANSLATION AQA BIOLOGY A-
LEVEL(14 QUESTIONS AND
ANSWERS)
RNA - answer A type of nucleic acid consisting of
nucleotide monomers with a ribose sugar and the
nitrogenous bases adenine (A), cytosine (C),
guanine (G), and uracil (U); usually single-
stranded; functions in protein synthesis and as the
genome of some viruses.
Transcription - answer The production of pre-mRNA
from DNA template sequencing.
Transcription process- - answer RNA polymerase
moves along the DNA double helix unzipping a
portion of the DNA at a time. the RNA nucleotides
join to complimentary bases and are joined by RNA
polymerase. mRNA is displaced by DNA molecules
becoming rejoined. the mRNA leaves through the
nuclear pores.
mRNA - answer A type of RNA, synthesized from
DNA, that attaches to ribosomes in the cytoplasm
and specifies the primary structure of a protein.
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