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The first astronomer to show that spiral nebulae (today called spiral galaxies) have large Doppler shifts was
N-terminus
The end of a protein or polypeptide chain that has a free amine group (-NH2).
Pentapeptide
A peptide made up of five amino acids linked together by peptide bonds, often involved in biological signaling processes.
Monosaccharide
The simplest form of carbohydrates, consisting of a single sugar molecule such as glucose or fructose, and serving as a fundamental energy source for living organisms.
Glucose
A simple sugar with the formula C6H12O6 that is an important energy source in living organisms and a component of many carbohydrates.
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