Question

Certain meteorites have been examined and found to carry samples of which molecules? Select all that apply. lipids nucleotides polypeptides amino acids monosaccharides

Answer 1

The correct answer as to which molecules some examined meteorites contain would be lipids, nucleotides, amino acids, and monosaccharides.

Meteorites are considered to be pieces of rocks or metals that fall into the earth from outer space. These rocks/metals have been extensively studied/analyzed by some researchers, especially those seeking to prove/disprove the Panspermia theory that life originates from other planets.

• Several studies conducted found compounds such as lipids, DNA, RNA, and amino acids.
• There has been no evidence for monosaccharides for a long time until 2019 when an international team discovered sugars such as xylose and arabinose in certain meteorites.
• No polypeptide has been discovered in meteorites, but its precursor, amino acids, have been discovered.

Therefore, the correct answer to the molecules that have been found in some meteorites would be lipids, nucleotides, amino acids, and monosaccharides.

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