If sodium and potassium are both ions with a positive charge, how can they make something negative?.Answer and Explanation: There are several reasons cells have a negative charge. First, large molecules inside the cell, such as proteins and DNA have a negative...
In a rechargeable lithium battery including inter alia a lithium anode, a lithium ion reducible cathode bonded with a polymer, as well as a polymer electrolyte, potassium ions are introduced either in the cathode or in the electrolyte, or in both of them at the same time, so that potassium...
An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed, because AMore potassium ions enter the axon as compared to sodium ions leaving it BMore sodium ion enter the axon as compared to potassium...
ferritinophagy regulates the distribution and utilization of iron ions in cells. A certain degree of ferritinophagy and iron ions will also promote mitochondrial respiration [114]. The presence of excess iron ions has been demonstrated to damage mitochondria and activate associated death pathways. How...
studies, our cautious hypothesis is that the more critical factor determining potassium buffering may not be passive conductance per se, but rather a much larger role of Kir4.1, which keeps the membrane potential more negative and provides a driving force for cations such as potassium ions. We...
Potassium ions are secreted from the blood into the urine through the regulation of the aldosterone hormone. As aldosterone is released, it increases...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer you...
Ions are atoms that have different numbers of protons and electrons.Ionsindicated using a superscript after the element symbol that states whether thecharge on the atomis positive (more protons) or negative (more electrons), and the quantity of the charge. ...
What are the dominant ions in rivers? A. Na and sulfate (钠和硫酸盐) B. Potassium and chloride (钾和氯化盐) C. Ca and Hydrocarbonate (钙和碳酸氢盐) D. Mg andchloride (镁和氯化盐) 相关知识点: 试题来源: 解析 C 反馈 收藏
Pronuclear-stage mouse embryos were prepared by thawing frozen embryos (CLEA Japan), then culturing them in potassium simplex optimized medium (KSOM, ARK Resource). For electroporation, 100–150 embryos (1 h after thawing) were placed into a chamber with 40 μl of serum-free medium (...
perhaps due to intestinalflu viruses. When children vomit or have diarrhea, they lose electrolytes. Again, these electrolytes and the fluids must be replaced to prevent dehydration and seizures. Therefore, drinks such as Pedialyte have sodium and potassium in them like the sports drinks do. However...