Answer:
Group 4
Explanation:
<em>The control group in this case would be those students in </em><em>group 4.</em><em> </em>
<u>The control group during an experiment is a group that does not receive the treatment administered to other groups and as such used as a standard for measuring the effects of the treatment on other groups. </u>Whatever differences that exist between the control group and the various treatment groups is attributed to be as a result of the treatment administered to the groups.
<em>In this case, group 4 only used warm water for washing their hands instead of the hand sanitizer/soap used by the other groups. Whatever differences found out in the bacterial count in their respective culture swabs can be attributed to the effects of the hand sanitizer/soap.</em>
Answer:
Bacteria are essential in cycling the nutrients back into the soil for plants to use, and cycling nitrogen back into the atmosphere. Nitrogen is found everywhere in the world, including animal waste, the atmosphere, and decaying matter.
the answer is are usually more rich in species biodiversity than
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Answer:
Early in the development of the embryo, specialized diploid cells, called germ cells , are produced within the gonads (such as the testes and ovaries). Germ cells are capable of mitosis to perpetuate the germ cell line and meiosis to produce haploid gametes.
Answer:
mRNA
Explanation:
There are various types of RNA. The mRNA, rRNA, and tRNA. The tRNA is transfer RNA that brings amino acids during the process of translation to ribosomes. The rRNA is ribosomal RNA and are involved in process of translation. The mRNA is messenger RNA that allows encoding of amino acid sequence from polypeptide chain.
