Answer:
It's C. Plants produce oxygen and nutrients via a process known as photosynthesis using water and carbon dioxide
Answer:
Negative regulation
Explanation:
In the trp operon, tryptophan binds to the repressor protein, then this complex binds to operator effectively blocking gene transcription preventing the production of enzymes that aids in the synthesis of tryptophan. This happens when high levels of tryptophan is detected. This, it is a repressible/negative type of regulation.
The internal process of HOMEOSTASIS enable living things to survive changing conditions. Homeostasis refers to the process by which living organisms maintain constant internal environment. Human body maintains homeostasis through temperature regulation, pH regulation, regulation of glucose concentration, regulation of blood pressure, etc.
Without backbone or having no backbone is considered as INVERTEBRATES.
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--kcirejay:♥)