<h2>Answer with Explanation </h2>
The elements that are required for the human body are in fixed percentages Whatever the weight of a person the percentage remains the same. Like 70-90% water is present in the human body whatever the weight of a person but the percentage of water remains the same in the body. There are six main elements present in the body which are basic and necessary for the human body are oxygen, nitrogen, carbon, phosphorus, calcium, and hydrogen.
<span>the conversion process of inorganic carbon (carbon dioxide) to organic compounds by living organisms. The most prominent example is photosynthesis where plants turn carbon dioxide into oxygen and water.</span>
Answer: C. Humans have avoided animal habitats.
Explanation:
Emerging diseases are those diseases which occur frequently after a single tenure of infection. These disease poses a serious challenge over the immune system of the body and it becomes incapable of recovery and can also be lethal.
Humans have avoided animal habitats. is the correct option this is because of the fact that on rare instances the association of animals was proven to be infectious to humans. Thus animal habitat avoidance cannot prove to be the concern for the re-emergence of a disease.
It is A. Aloe Vera
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Answer:
The best answer to the question: What proportion of DNA molecules will contain radioactivity after two rounds of replication, would be: about 1/2 of the total molecules now produced through replication will still present some forms of radioactivity. This proportion will lower the more replications the DNA undergoes and as the number of radiactive nucleotides available reduces through DNA corrective mechanisms.
Explanation:
DNA is a pretty versatile molecule in that it is constantly undergoing replication and synthesis of new molecules to ensure the production of enough genetic material so that subsequent generations of daughter cells may also have copies of the genetic material. However, with particular traits, due to DNA replication and correction mechanisms, when these traits do not appear in nucleotides to be copied, or their appearance starts to diminish, the new strands that come out of replication will start to either display less of the trait, or stop displaying it completely. In this case, as the original sample of DNA cultures with radioactive nucleotides starts to be paired with samples in which this trait is absent, during replication the presence of the trait starts to diminish as well, until it disappears completely or becomes recessive.
