Answer:
B
Explanation:
I don't really know to be honest. I would guess it's B because it mentions the impacts, such as increased population in the mussels and decrease in zooplankton and phytoplankton.
The correct answer is an Arachnid.
Answer:
A.) It has two cell layers.
Answer:
The correct answer is - The tryptophan operon shows C. negative regulation.
Explanation:
Tryptophan is an amino acid, excessively synthesized by the organism, it regulates its transcription through “trp Operon.” In this operon, the corepressor of the tryptophan binds to the repressor protein and gets activated.
This activated repressor now binds to the operator site, and prevents the binding of RNA polymerase enzyme and inhibits the protein synthesis.