Almost all of the organic material in compost, manure etc is of little use to plants – they simply can not get the molecules into the roots. 植物不可能使用多数有机分子! 几乎所有有机材料在天然肥料,肥料等有微不足道的作用对植物-他们不可能简单地让分子进入根。[translate]...
aPlants get almost all nutrients through their roots. You can think of the outside wall of the root as having small holes or pores. These holes are used to let certain molecules into the root. The process is more complex than this, but it is not a bad analogy 植物通过他们的根得到几乎...
The carbon dioxide travels to chloroplasts, special cells in the bodies of green plants. This is where photosynthesis takes place. Chloroplasts contain the chlorophylls that give plants their green colour. The chlorophylls are the molecules (分子) that trap light energy. The trapped light energy ...
This compartmentalization enabled cells to create and perceive changes in the concentration of specific molecules. Some of those molecules evolved to widespread second messengers that transmit information by changes in their intracellular concentration2. The function of calcium (Ca2+) ions as ubiquitous ...
1. What do plants detect through scent? A.Injuries of other plants. B.Saliva of nearby insects. C.Odor molecules in the air. D.Threats from their environment. 2. Why did Wang and his team turn to study baby leaves? A.Baby leaves were easier to study. ...
Ginseng root extract is a natural plant-based extract derived from the roots of the ginseng plant, which is traditionally used in Chinese medicine for its reported health benefits, such as boosting energy, reducing stress, and improving cognitive function. The extract is usually standardized to cont...
Small molecules and proteins can inhibit topoisomerase activity at different stages of the topoisomerase catalytic cycle. Inhibition of topoisomerases has been exploited in therapeutics and in nature. Abstract Topoisomerases are complex molecular machines that modulate DNA topology to maintain chromosome super...
Define atoms, molecules, and ions and give an example of each. Which of the following atoms has the highest electronegativity? a. sulfur b. oxygen c. hydrogen d. nitrogen e. carbon Factors that are critical for the light reaction in plants are: A. photons (light ...
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Plant Photosynthesis Explained: Sun, Water, and Carbon Dioxide (CO2) Key Requirements for Plant Growth and Energy January 28, 2024 Photosynthesis converts sunlight, water, and carbon dioxide into sugars, like glucose. These molecules serve as primary fuel sources. They’re the powerhouse, driving...