Which of the following DNA regulatory protein “motifs” consists of one a-helix and one b-sheet, linked by a zinc ion, and usually acting as a polymer of several monomers in the regulation of DNA? the homeo-domain the leucine zipper the zinc finger all of the above none of the above
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 DNA regulatory protein “motifs” consists of one a-helix and one b-sheet, linked by a zinc ion, and usually acting as a
- the homeo-domain
- the leucine zipper
- the zinc finger
- all of the above
- none of the above
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