Protein Synthesis 1
What is one difference between DNA & RNA?
RNA is a copy of DNA.
What mRNA bases would pair with this DNA strand (G-G-A-T-C-G-C-C-T-T-A-G-A-A-T-C)?
C-C-U-A-G-C-G-G-A-A-U-C-U-U-A-G
Where does translation occur?
the cytoplasm (on a ribosome)
What is the difference between an amino acid and a protein?
Amino acids are what a protein is made of.
There are 3 STOP codons, what are they?
UGA, UAA, and UAG
What are the two steps of protein synthesis called? Both start with T
Transcription and Translation
Transcription (the first half of protein synthesis) creates what?
mRNA
Transfer RNA
What type of bond is formed between amino acids?
Peptide bonds
What would be the complementary MRNA strand to:
A-T-G-G-C-C
U-A-C-C-G-G
What happens to the chain of Amnio Acids at the end of Protein synthesis
It folds up on its self to create a protein.
What do tRNA molecules carry to the mRNA strand
Amino Acids
What is located at each end of the tRNA molecule?
Anti-codon or code and amino acid
How many amino acids are there?
20
What mRNA would be created from this strand: A-T-G-G-C-C-T-G-G-A-C-T-T-C-A
UAC CGG ACC UGA AGU
The mRNA leaves the ____________ and goes to the _______________.
Nucleus; cytoplasm
Using a mRNA codon wheel what amino acid does AUG code for?
Methionine
Where must an mRNA attach before a protein can be made?
mRNA must attach itself to a ribosome
Using a codon wheel what amino acid is UUG?
Leucine
What would the amino acids be in this strand of mRNA
AUG GCC UGG ACU UCA
Met(methionine), Ala(Alanine),Trp(Tryptophan), Thr(Theroline), Ser(Serine)
What does DNA stand for?
de oxy ribo nucleic acid
deoxyribonucleic acid
Where does transcription take place?
In the nucleus
A codon is a sequence of how many bases?
3 bases
What tRNA anticodons would pair with this mRNA sequence: U-A-G-C-U-A-U-C-A-A-A-U
A-U-C-G-A-U-A-G-U-U-U-A
What are 3 types of RNA?
mRNA, tRNA and rRNA