Keratin
Protecting the skin is one of its main responsibilities as a protein in epidermis.
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<span>Prokaryotic cells reproduce by</span> binary fission , which includes the chromosomes splitting into two equal parts.
Yes because we're taking away from mother earth but at the same time
Answer:
c
Explanation:
a and b are fossil fuels Wich are almost gone. and d seems unlikely
Why is it important?
- Because when bacteria converts ammonia into nitrate and nitrite, producers need them to make proteins and then consumers eat the producers and reuse the nitrogen to make their own proteins.