Activators are proteins that bind to regions of DNA and increase the rate of transcription of specific genes. Repressors, on the other
hand, are proteins that decrease the transcription of specific genes.
Activators and repressors are examples of factors a cell can use to
Achange the genetic code of an organism.
B. assemble amino acids into proteins,
C. regulate gene expression.
D. replicate DNA sequences
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humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

airlines i think? or a cruise boat? does this work out for u? ?