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Slide 1

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Transcription and Translation
By phil…read more

Slide 2

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Transcription 3. One of the DNA strands
(known as the anti-
sense/template strand) is used
1. Takes place on the by the mRNA molecule to
nucleus determine the sequence of the
cloned strand
4. mRNA is a strand made
from RNA polymerase and
arranges its bases to pair with
the complimenting bases on
the template strand
2. The DNA double helix
unwinds 5. When pairing the bases
together, the mRNA does not
pair thymine with adenine
instead it uses its own base
called uracil
6. The mRNA strand exits
through pores in the
nuclear envelope after
transcription has completed…read more

Slide 3

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1. Translation takes 2. A tRNA (transfer RNA) 3. the amino acid
place on ribosomes molecule with 3 bases attached to the tRNA
(these are made of (known as an anti codon) molecule forms a
ribosomal RNA and attaches to the appropriate peptide bond with 2
proteins) in the codon (triplets of bases) on other amino acids
cytoplasm the mRNA attached to the tRNA
molecules on either side…read more

Slide 4

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Base Pairing
Base Complimentary base Complimentary base on
mRNA strand
A ­ Adenine T ­ Thymine U - Uracil
T ­ Thymine A ­ Adenine A ­ Adenine
G ­ Guanine C ­ Cytosine C ­ Cytosine
C ­ Cytosine G ­ Guanine G ­ Guanine…read more


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