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12 Cards in this Set
- Front
- Back
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What would be the mRNA transcribed from this DNA sequence? For how many amino acids does this mRNA code? 3' T-A-C-A-T-A-A-G-G-A-A-T-T-C-T-A-C-T 5' |
5' A-U-G-U-A-U-U-C-C-U-U-A-A-G-A-U-G-A 3' 5 amino acids (stop codons are not amino acids) |
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The RNA molecule is: A) a double helix B) single stranded C) double stranded D) none of the above |
B) Single stranded |
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mRNA is produced by? A) replication B) transcription C) translation |
B) transcription |
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The five carbon sugar found in RNA is: A) glactose B) ribose C) deoxyribose D) glucose |
B) ribose |
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The loading of mRNA into an intact ribosome occurs during: A) translation B) transcription C) transcript processing D) none of the above |
A) translation |
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True or false, the enzyme used during transcription is DNA polymerase |
False, RNA polymerase is used instead |
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True or false, a codon is a double nucleotide on mRNA |
False, a sequence of 3 adjacent bases on an mRNA is called a codon |
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The first tRNA carrying methionine binds ribosomes and mRNA |
Initiation |
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tRNA molecules carrying amino acids add to the growing polypeptide chain |
Elongation |
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Stop codon is reached |
Termination |
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Start codon |
AUG |
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Stop codons |
UAA UAG UGA |
