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Term 4 1

Protein Synthesis

QuestionAnswer
Genes are made up of ........ DNA
DNA contains information in ....... .....? coded form
The arrangement of the 4 different bases along the DNA strand will determine what type of .......... is made? protein.
Sections of DNA containing bases are called .......? genes
genes tell the body what type of ....... to make protein
DNA is made inside the ......... but proteins are made outside the ....... nucleus, nucleus
What 3 nucleotide bases are present in both DNA and RNA? Adenine (A), Cytosine (C), Guanine (G)
What base is only in DNA Thymine (T)
What base is only in RNA Uracil (U)
Protein synthesis is the ......... of proteins? making of proteins
In Protein synthesis ......... ....... line up to form ....... amino acids line up to form proteins.
What are the two processes involved in protein synthesis? Transcription and Translation
What is Transcription and where does it take place? When the code contained on the DNA molecule is rewritten into a mRNA molecule. Takes place in the nucleus.
The mRNA molecule is ......... mobile
The mRNA leaves the ........ and enters the ........... leaves the nucleus and enters the cytosol.
How does the mRNA move into the cytosol? via the nuclear pores
The RNA e........ p........... causes the 2 strands of ........... to ............ The RNA enzyme polymerase causes the 2 strands of DNA to unwind.
What does one of the chains act as? A template
What is this template for? A guide the construction of an RNA molecule.
The RNA enzyme polymearse moves along the ......... template. As it moves c........ n.......... are brought into place to make ...... ........ DNA template complementary nucleotides are brought into place to make an RNA chain.
A in DNA pairs with ....... in RNA pairs with U in RNA
The enzyme ........ only a ......... length of DNA at a time Transcribes only a gene length of DNA at a time
Enzyme recognizes ....... and ...... codes START and STOP codes
Last Stage The newly formed ........ ........... moves through the ........ ........ into the ......... The newly formed mRNA molecule moves through the nuclear pores into the cytosol.
2nd stage? Translation
What is Translation? Translation is the decoding of genetic instructions to form a protein chain of amino acids.
The information in mRNA is coded as sets of three bases or triplets called........ codons
These triplet code for a specific ........ ........ and also code for ........... and .......... translation instructions/codes code for specific amino acids and also cod for START and STOP translation instructions/codes.
What happens when mRNA leaves the nucleus and enters the cytosol? It becomes attached to ribosomes
What happens in the ribosomes? Protein chains are formed
What happens as the ribosome moves along the mRNA? each codon is matches with it's complimentary anti-codon.
tRNA information is coded as sets of three bases or triplets called ....... ...... anti-codons
Transfer RNA (tRNA) is attracted to the ...........? attracted to the ribosome
What happens when the tRNA molecules move into the ribosome? they bring in amino acids.
In Translation (mRNA and tRNA) A pairs with ...? U (Uracil)
In Translation (mRNA and tRNA) G pairs with ...? C (cytosine)
These amino acids join together to form a ....... .... ....... ........ or a polypeptide. a chain of amino acids or a polypeptide
Ribosomes are made up of ......... and ...........? rRNA and proteins
Created by: zarap103
 

 



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