21) 22)_ 23) 24) have -35 & -10 promotor regions upstream of the start of transcription. have operons. have multiple transcription factors including the TATA box promotor. have circular DNA known as plasmids.
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.
21-24
In bacteria a typical promoter sequence is present at both -35 and -10 regions upstream of the start of transcription. The sequence present in the -35 region is typically TTGACA. This controls the rate of transcription and the binding of the RNA polymerase to the promoter sequence. Thus, the answer is prokaryotes.
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