Question

The nucleotide sequence of a certain gene specifies that it is expected to encode a protein with the following amino acid sequence: Met-[80 aa]-Gly-Lys-Pro-[100 aa]-Ser-His-Trp-[200 aa]-Ile However, when the protein product was isolated from cells and its actual amino acid sequence was determined, the following protein was found: Met-[80 aa]-Gly-Lys-Trp-[200 aa]-Ile This isolated protein was tested and found to be fully functional. What is the likely explanation for the discrepancy between the nucleotide sequence of the gene and the amino acid sequence of the protein. Answer options: Stop codon Missense mutation Frameshift mutation Deletion mutation Intron splicing Intron skipping Ribozyme degradation 3. With reference to Question 2, the amino acids of the protein are held together by [word1]. 4. The name of the reaction referred to in Question 3 is: Answer options: Glycolysis Dehydration synthesis Esterification Hydrolysis Protein synthesis 5. The products of the reaction referred to in Question 4 are: Answer options: CO2 Peptide bonds Ester bonds CH4 molecules Hydrogen bonds H2O molecules 6. The bonds referred to in Question 3 are strong because they are _ , which means the atoms involved in each bond _ electrons 7. How many nucleotides are represented by the gene described in question 2? How many molecules of water were formed during the synthesis of the protein from question 2?

          The nucleotide sequence of a certain gene specifies that it is expected to encode a protein with the following amino acid sequence:
Met-[80 aa]-Gly-Lys-Pro-[100 aa]-Ser-His-Trp-[200 aa]-Ile

However, when the protein product was isolated from cells and its actual amino acid sequence was determined, the following protein was found:

Met-[80 aa]-Gly-Lys-Trp-[200 aa]-Ile

This isolated protein was tested and found to be fully functional. What is the likely explanation for the discrepancy between the nucleotide sequence of the gene and the amino acid sequence of the protein.

Answer options:
Stop codon
Missense mutation
Frameshift mutation
Deletion mutation
Intron splicing
Intron skipping
Ribozyme degradation

3. With reference to Question 2, the amino acids of the protein are held together by [word1].

4. The name of the reaction referred to in Question 3 is:

Answer options:
Glycolysis
Dehydration synthesis
Esterification
Hydrolysis
Protein synthesis

5. The products of the reaction referred to in Question 4 are:

Answer options:
CO2
Peptide bonds
Ester bonds
CH4 molecules
Hydrogen bonds
H2O molecules

6. The bonds referred to in Question 3 are strong because they are _______ , which means the atoms involved in each bond _______ electrons

7. How many nucleotides are represented by the gene described in question 2?
How many molecules of water were formed during the synthesis of the protein from question 2?

Added by Miguel S.

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