Explanation:
The endosperm is a triploid tissue in angiosperm seeds that stores starch, proteins, and lipids to nourish the embryo during germination. It is formed by double fertilization. In some seeds (e.g., legumes) the endosperm is absorbed and the cotyledons become storage organs. The seed coat protects.
Explanation:
ELISA (enzyme-linked immunosorbent assay) uses enzyme-linked antibodies to detect and quantify specific antigens or antibodies in a sample. PCR amplifies DNA, Northern blotting detects RNA, Southern blotting DNA.
Explanation:
Acetobacter aceti oxidizes ethanol to acetic acid under aerobic conditions, used in vinegar production. Lactobacillus produces lactic acid, Streptomyces produces antibiotics, E. coli is used in genetic engineering but not vinegar.
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