Which of the following is true about operons? o operons afford the organism the opportunity to simultaneously regulate transcription of multiple genes, whose products are active in the same process. o promoters and repressors as parts of operons serve as information integrating units, thereby affording more flexible response to the environmental changes. o operons significantly increase the rate of dna replication, thereby ensuring the required rate of bacteria reproduction. o operons provide redundancy in proofreading the most essential parts of genetic code, thereby reducing the susceptibility of the organism to lethal mutations.

Operons afford the organism the opportunity to simultaneously regulate transcription of multiple genes, whose products are active in the same process.

Explanation:

Operon is the group of related genes and the operator and promoter sequences that regulate their expression. All the genes in an operon are expressed together and are under the regulation of the same promoter and operator sequences.

Operons consist of the genes that are involved in related metabolic pathways. For example, the genes that code for the enzymes of lactose catabolism are expressed together as lac operon. It allows simultaneous expression of the genes of lactose catabolism only when lactose is present in the medium. Similarly, these genes are inhibited simultaneously in absence of lactose by binding of repressor protein to the operator sequence.

preservation because he preserves part of the land and preserves means save

explanation:

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