Biotic. A term that describes a living or once-living organism in an ecosystem. (Have a good day!)
Answer:
Hi, there the answer is
C.It is a frameshift mutation that changes many amino acids.
Explanation:
Due to the triplet nature of gene expression by codons, the insertion of the single Adenine nucleotide will disrupt the reading frame of the gene (frameshift mutation), such that it is no longer evenly divisible by three.
Thus, resulting in a completely different translated protein from the original.
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Explanation:
Aerobic respiration is more efficient than anaerobic respiration because the former produces a net of 34 ATPs while the latter produces a net of 2 ATPs in one cycle. Therefore with enough oxygen supply, most cells with both options opt will utilize aerobic respiration.
However, occasionally, the cell's energy demands are usually higher than the oxygen supply (such as during an athlete's short fast sprint), hence, in this case, the cells shift to anaerobic respiration to power the cell activities.
Anaerobic respiration evolved first because the first cells had to live in earth whose atmosphere was mainly carbon dioxide and methane. However after the Great Oxygenation event, organisms evolved to utilize oxygen in cellular respiration.
Learn More:
For more on anaerobic and aerobic respiration check out;
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Sterile powdered agar with nutrients can be mixed with water, heated and then poured into empty petri plates or ready-to-use dishes can be purchased. The undigestible agar is a gelatin-like substance with a semi solid surface on which the bacteria can grow while they consume the added nutrients (like sheep's blood).