B2- Protein Synthesis

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  • Created by: c//ana00
  • Created on: 25-10-16 18:01
What is a gene?
A gene is a section of DNA
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What do the bases in a gene code for?
Specific Proteins
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How do you make proteins?
By connecting amino acids in a specific order
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How do cells know which order to put the amino acids in?
The bases in a gene tells the cell which order to put the amino acids in
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How many bases code for an amino acid?
3- It's called a triplet
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Name 2 proteins a cell can produce
Haemoglobin and Keratin
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What makes proteins?
Ribosomes
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What are the man differences between mRNA and DNA?
mRNA is single stranded, whereas DNA is double stranded. DNA is also longer than mRNA.
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How is mRNA made?
The DNA 'unzips' and the single strands are used as templates for the mRNA as bases pair with the bases on the DNA. This is Transcription
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What is the difference between mRNA and DNA concerning bases?
DNA has the base Thymine whereas mRNA hase the base Uracil instead of Thymine
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After the DNA has been transcribed, what does the mRNA do?
It moves out of the Nucleus
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What does the mRNA molecule meet outside the Nucleus?
A Ribosome
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What brings the amino acids that match the mRNA code to the ribosomes?
tRNA
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What is the chain of amino acids called?
A Polypeptide/Protein
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What order do the amino acids follow?
The order of the mRNA base triplets
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Other cards in this set

Card 2

Front

What do the bases in a gene code for?

Back

Specific Proteins

Card 3

Front

How do you make proteins?

Back

Preview of the front of card 3

Card 4

Front

How do cells know which order to put the amino acids in?

Back

Preview of the front of card 4

Card 5

Front

How many bases code for an amino acid?

Back

Preview of the front of card 5
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