Which of the following types of DNA damage would be hardest to repair using the DNA repair pathways? A. Complete removal of three nucleotides in the middle of one strand. B. A covalent bond between a base on one strand and a base on the complementary strand. C. Incorporation of a sugar other than deoxyribose into one strand. D. Covalent attachment of a short polypeptide to a single base. E. A covalent bond between a base and a deoxyribose on the same strand.
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.
Which of the following types of DNA damage would be hardest to repair using the DNA repair pathways?
A. Complete removal of three
B. A covalent bond between a base on one strand and a base on the complementary strand.
C. Incorporation of a sugar other than deoxyribose into one strand.
D. Covalent attachment of a short polypeptide to a single base.
E. A covalent bond between a base and a deoxyribose on the same strand.
Please explain why it's B
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