a. What polypeptide is coded for by the mRNA sequence: 5'-GCU-GAA-GUC-GAG-GUG-UGG-3'? N-terminus - b. What polypeptide is coded for by the mRNA sequence: 5'-CAU-UAU-CUC-AGA-CCC-GGA-3'? N-terminus - C-terminus C-terminus c. How many unique amino acids are in the polypeptide coded by the mRNA sequence 5'-UUA-CGC-AAC-CUU-CGG-CUA-3'? O₁ O 2 O 3 04 O5 O 6

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### Genetic Code Table

This table represents the genetic code where each codon (a sequence of three nucleotides) corresponds to a specific amino acid or a stop signal during protein synthesis. The rows and columns represent the different possible combinations of the nucleotide bases Uracil (U), Cytosine (C), Adenine (A), and Guanine (G).

#### Key for Understanding the Genetic Code Table:
- The first position (5'-end) of the codon is listed along the vertical axis.
- The second position of the codon is listed across the top horizontal axis.
- The third position (3'-end) of the codon is listed along the vertical axis on the right.

Each cell in the table shows the three-base codon sequence and the corresponding amino acid or stop signal it codes for.

| First Position (5'-end) | Second Position               | Third Position (3'-end) |
|-------------------------|--------------------------------|-------------------------|
|                         | U             | C             | A              | G          |              |
|                         |---------------|---------------|----------------|------------|--------------|
| **U**                   |UUU - Phe      |UCU - Ser      |UAU - Tyr       |UGU - Cys   | **U**        |
|                         |UUC - Phe      |UCC - Ser      |UAC - Tyr       |UGC - Cys   | **C**        |
|                         |UUA - Leu      |UCA - Ser      |UAA - Stop      |UGA - Stop  | **A**        |
|                         |UUG - Leu      |UCG - Ser      |UAG - Stop      |UGG - Trp   | **G**        |
| **C**                   |CUU - Leu      |CCU - Pro      |CAU - His       |CGU - Arg   | **U**        |
|                         |CUC - Leu      |CCC - Pro      |CAC - His       |CGC - Arg   | **C**        |
|                         |CUA - Leu      |CCA - Pro      |CAA - Gln       |CGA - Arg   | **A**        |
|                         |CUG - Leu      |CCG - Pro      |CAG - Gln       |CGG - Arg   | **G**        |
| **A
Transcribed Image Text:### Genetic Code Table This table represents the genetic code where each codon (a sequence of three nucleotides) corresponds to a specific amino acid or a stop signal during protein synthesis. The rows and columns represent the different possible combinations of the nucleotide bases Uracil (U), Cytosine (C), Adenine (A), and Guanine (G). #### Key for Understanding the Genetic Code Table: - The first position (5'-end) of the codon is listed along the vertical axis. - The second position of the codon is listed across the top horizontal axis. - The third position (3'-end) of the codon is listed along the vertical axis on the right. Each cell in the table shows the three-base codon sequence and the corresponding amino acid or stop signal it codes for. | First Position (5'-end) | Second Position | Third Position (3'-end) | |-------------------------|--------------------------------|-------------------------| | | U | C | A | G | | | |---------------|---------------|----------------|------------|--------------| | **U** |UUU - Phe |UCU - Ser |UAU - Tyr |UGU - Cys | **U** | | |UUC - Phe |UCC - Ser |UAC - Tyr |UGC - Cys | **C** | | |UUA - Leu |UCA - Ser |UAA - Stop |UGA - Stop | **A** | | |UUG - Leu |UCG - Ser |UAG - Stop |UGG - Trp | **G** | | **C** |CUU - Leu |CCU - Pro |CAU - His |CGU - Arg | **U** | | |CUC - Leu |CCC - Pro |CAC - His |CGC - Arg | **C** | | |CUA - Leu |CCA - Pro |CAA - Gln |CGA - Arg | **A** | | |CUG - Leu |CCG - Pro |CAG - Gln |CGG - Arg | **G** | | **A
### Amino Acids and Polypeptides

Understanding the relationship between mRNA sequences and the polypeptides they code for is essential in the study of molecular biology. Below are problems designed to test your knowledge of this process and your ability to decode mRNA sequences into polypeptide chains.

#### a. What polypeptide is coded for by the mRNA sequence: 5’-GCU-GAA-GUC-GAG-GUG-UGG-3’?

- **N-terminus** - [       ] - [       ] - [       ] - [       ] - [       ] - [       ] - **C-terminus**

#### b. What polypeptide is coded for by the mRNA sequence: 5’-CAU-UAU-CUC-AGA-CCC-GGA-3’?

- **N-terminus** - [       ] - [       ] - [       ] - [       ] - [       ] - **C-terminus**

#### c. How many unique amino acids are in the polypeptide coded by the mRNA sequence 5’-UUA-CGC-AAC-CUU-CGG-CUA-3’?

- 1
- 2
- 3
- 4
- 5
- 6
Transcribed Image Text:### Amino Acids and Polypeptides Understanding the relationship between mRNA sequences and the polypeptides they code for is essential in the study of molecular biology. Below are problems designed to test your knowledge of this process and your ability to decode mRNA sequences into polypeptide chains. #### a. What polypeptide is coded for by the mRNA sequence: 5’-GCU-GAA-GUC-GAG-GUG-UGG-3’? - **N-terminus** - [ ] - [ ] - [ ] - [ ] - [ ] - [ ] - **C-terminus** #### b. What polypeptide is coded for by the mRNA sequence: 5’-CAU-UAU-CUC-AGA-CCC-GGA-3’? - **N-terminus** - [ ] - [ ] - [ ] - [ ] - [ ] - **C-terminus** #### c. How many unique amino acids are in the polypeptide coded by the mRNA sequence 5’-UUA-CGC-AAC-CUU-CGG-CUA-3’? - 1 - 2 - 3 - 4 - 5 - 6
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