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You are studying an oligopeptide composed of eight amino acids.The four amino acids nearest the C terminus are nonpolar.The two amino acids nearest the N terminus are charged.The middle two amino acids are polar.Which amino acid is likely to be labeled as number 2?
Rock Strata
Layers of sedimentary rock that are arranged in a chronological sequence, each layer typically representing a period of geological time.
Erosion
The process by which natural forces such as water, wind, ice, and gravity wear away soil, rock, or land.
Origination Rate
The speed at which new species or genetic variations appear within a given lineage or ecosystem over time.
Extinction Rate
The rate at which species or other taxa disappear from Earth, an important factor in studying biodiversity and the effects of human activities and natural events on ecosystems.
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