Answer:
The missing word is Repair.
Explanation:
It is known in medical parlance that if handled correctly, DNA repair can lead to correction of the diseased gene.
The known/major methods for gene repair are:
- repair of base excision
- repair of nucleotide by excision and
- mismatch repair.
Nutritionists some nutritions also claim that certain foods such as strawberries, celery, broccoli, and even lemon can help repair DNA.
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Primary consumers only eat primary producers such as herbivores and secondary consumers are carnivores and omnivores
Answer: changed by molecular oxygen
Explanation:
Biologically induced molecular oxygen (dioxygen, O2) started to accumulate in Earth's atmosphere and changed Earth's atmosphere from a weakly reducing atmosphere to an oxidizing atmosphere.
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