Insertion and deletion mutations are said to cause shifts in the reading frame (the sets of three nucleotides) of the mRNA. Substitution mutations do not cause these so called frameshifts. Explain why insertions and deletion and deletions are called frameshift mutations, using the terms reading frame, codons, and amino acids in your answer

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

[content deleted] - user123802726recklesschicken

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

rocks and weathering-matching