An allele is a variant form of a gene. some genes have a variety of different forms,which are located at the same position, or genetic locus, on a chromosome.
Answer:
They are carbohydrates containing a terminal aldehyde or ketone group which can undergo oxidation reactions. By reacting with free amino groups in amino acids, peptides and proteins, reducing sugars can form unique compounds essential for the desirable flavor and aroma of baked goods.
Explanation:
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Oort cloud: a spherical region that surrounds the solar system, that extends from the kuiper belt to almost halfway to the nearest star, and that contains billions of comets
<h2>540 million years ago
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Paleozoic.
Era immediately follows Precambrian It lasted about 4.5 billion years.
When did abundant fossil evidence first appear in the geologic record.
540 million years ago.
