Observe the morphology and primordial structures of common plant stems with the naked eye and microscope. The stem is the central axial part of the plant body.
Aims and Requirements: To learn the basic morphological structures and types of seeds and types of seedlings. Learn the methods of seed germination and understa
Observe the secondary structure of common plant stems through a microscope, the structural characteristics of the secondary protective tissue peridermis, the st
Grasp the basic principles of quantitative determination of reducing sugar and total sugar, learn the basic operation of colorimetric determination of sugar met
Understand the activating and inhibiting effects of enzymatic reactions; learn the methods and principles by which activators and inhibitors affect enzymatic re
When a branch with leaves is inserted in a burette filled with water, the leaves are still constantly undergoing transpiration. The strength of transpiration va
The root system of plants is the main organ of fertilizer and water absorption, as well as the organ of assimilation, transformation and synthesis of many subst
The amount of wounding is an important indicator of plant root vigor. When the amount of wounding is high, the volume can usually be measured directly, while fo
When barley (or wheat) seeds germinate, the seed embryo produces GA3 that diffuses into the endosperm's pasteurized cells (known as the "target cells" of the GA
The water status of plant tissues can be expressed in terms of water potential (representing the energy level of water). The lower the water potential of a plan
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