11 How does water enter root hair cells? A from high to low water potential by active transport B from high to low water potential by osmosis C from low to high water potential by active transport D from low to high water potential by osmosis 相关知识点: 试题来源: 解析 B 反馈 收...
To keep cells in optimal culture conditions and actively growing, it is necessary to renew the growth medium and to subculture them at regular intervals. Change of culture medium can take place several times in the log phase dependent on the cell type. The best time to subculture cells is be...
How do water molecules use osmosis to enter cells when polar molecules can't diffuse through the cell membrane?Osmosis:Osmosis is the movement of water molecules from an area of high water concentration to an area of low water concentration. If a cell...
What all baleen whales have in common is filter feeding, but the rorqual, right and gray whales all go about this practice in a different way. We'll take a closer look at their different feeding methods on the next page. What Do Baleen Whales Eat? The humpback whale shows off its expan...
Why do cells perform mitosis? How does metabolism process in a cell? Provide at least one example. How do cells form tissues? How do cells store energy? What is the importance of cell differentiation? How does gas exchange take place at the cellular level?
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In this article, we will take a close look at how your lungs work and how they keep your body's cells supplied with oxygen and get rid of the carbon dioxide waste. We will explain some of the conditions and diseases that make breathing harder and cause the lungs to fail. We will also...
life. Water is an important component of all kinds of cells and body fluids. Water in the human body accounts for about 60% of the body weight. Water is one of the most important chemicals in the human body. Many physiological activities of the human body must be carried out by water,...
in protein, such as milk, eggs, soybeans and so on. In addition, we should also eat more vegetables and fruits for a balanced diet, which can make the body indicators in the normal range. Further, water is the sou...
Drinking water is one of the best things you can do for your health. It helps prevent sickness and speeds up recovery if you do fall ill. Considering the importance water plays in your overall health, it’s essential for you to make sure the water you drink is filtered to minimize harmfu...