Some proteins may be phosphorylated by enzymes called kinases. Which of the following statements best describes this type of post-translational modification (PTM)? Phosphorylation is an irreversible modification of an amino acid side chain in the protein. Phosphorylation is a reversible modification of an amino acid side chain in the protein. Phosphorylation is an irreversible modification of the peptide backbone. Phosphorylation is a reversible modification of the peptide backbone.
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Some proteins may be phosphorylated by enzymes called kinases. Which of the following statements best describes this type of post-translational modification (PTM)?
- Phosphorylation is an irreversible modification of an amino acid side chain in the protein.
- Phosphorylation is a reversible modification of an amino acid side chain in the protein.
- Phosphorylation is an irreversible modification of the peptide backbone.
- Phosphorylation is a reversible modification of the peptide backbone.
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