In order to illustrate in a simple way the structure of a flower, the composition, arrangement and interrelationship of its parts, the parts of a flower can be
Due to their large size and opacity, plants cannot be viewed directly under a microscope. To study the internal structure of the plant, the thickness and volume
Freehand sectioning is a method of holding a blade or razor and cutting fresh or fixed material into thin slices, which are then mounted and used for microscopi
Usually, we call a group of substances with C6-C3 C6 carbon structure as flavonoid compounds, including flavones, flavonols, flavanones, chai- cones, anthocyani
Alkaloids are natural nitrogen-containing organic compounds, but do not include amino acids, proteins, nucleic acids, chlorophyll, choline, methylamine and othe
Phenolic substances in plant tissues are oxidized to Da by polyphenol oxidase, and Da can automatically polymerize into colorful substances and browning occurs.
Under normal conditions, the free proline content of plants is very low, but when encountering adversities such as drought, low temperature, salinity and alkali
Phenylalanine deaminase is a key enzyme in plant secondary metabolism. It catalyzes the deamination of L-phenylalanine. Ammonia is released to form trans-cinnam
Drosophila has a short life history, high reproduction rate, easy rearing and other characteristics, is a good material for the study of genetics. Through this
Betaine is a widely distributed cytocompatible substance, and many plants accumulate large amounts of betaine in their cells under salinity and drought stress,
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