Ideally, to treat a failing heart, scientists could stimulate stem cells to differentiate into heart cells and inject them into the patient's damaged heart. There, the new heart cells could grow and repair the damaged tissue. Although scientists cannot yet direct stem cells to differentiate into...
How do plant cells elongate?Answer and Explanation: Plant cells are surrounded by a tough but flexible layer of cellulose and other molecules called the cell wall. The cell wall helps to counteract osmotic pressure created by diffusion of water across the plant's cell membrane; it also, ...
Ideally, to treat a failing heart, scientists could stimulate stem cells to differentiate into heart cells and inject them into the patient's damaged heart. There, the new heart cells could grow and repair the damaged tissue. Although scientists cannot yet direct stem cells to differentiate into...
Of all the cells we have floating around in our bodies, about 2 billion (roughly 5-15 percent of the total) are known as “natural killer” (NK) cells. The name makes them sound dangerous – and indeed they are, but only to cancer cells and other pathogens that can hurt the body!
Alternatively, a method for stimulating asymmetric division of at least some satellite stem cells in a patient suffering from a disorder is provided. The method comprises administering to the patient a sufficient amount of epidermal growth factor receptor (EGFR) pathway activator to stimulate asymmetric...
The ability of cells to penetrate the entire volume of the implant (adhesion to the material) is determined by bioactivity of the natural polymers [20]. Macromolecules that occur in living organisms (or are produced by living organisms) are called natural polymers [7]. A number of protein ...
All blood cells (RBCs, WBCs and platelets) come from the same type of cell, called the pluripotential hematopoietic stem cell. This group of cells has the potential to form any of the different types of blood cells and also to reproduce itself. This cell then forms committed stem cells ...
All blood cells (RBCs, WBCs and platelets) come from the same type of cell, called the pluripotential hematopoietic stem cell. This group of cells has the potential to form any of the different types of blood cells and also to reproduce itself. This cell then forms committed stem cells ...
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Explain how to stimulate cuttings to develop roots. How do phototropism and geotropism affect the development of plants? Explain seed formation in flowering plants. What is the role of auxins in plants? How are the suction forces developed in plants?