Why does a cell perform fermentation if it does not produce any ATP energy for the cell? Describe how ATP synthase produces ATP via chemiosmosis. What is the net ATP yield for bacteria? How do cells use the ATP cycle? a. Cells use the cycle primarily to generate heat. b. Cells use th...
How does a decomposer get energy?Living Things Need Energy:Everything that is alive needs energy in order to survive. That energy comes from the sun, and organisms either take it in directly and make their own food through photosynthesis or receive it in another way....
它能降低心跳频率和血压,减缓呼吸,平复脑电波,更快恢复身心平稳,防止在压力下身体的免疫能力下降。 When we are stressed, the fastest way to get back is to take a deep breath and think about what eases us. Deep breathing al...
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There are hundreds or millions of copies of each different type of enzyme, depending on how important a reaction is to a cell and how often the reaction is needed. These enzymes do everything from breaking glucose down for energy to building cell walls, constructing new enzymes and allowing ...
How much energy can we get from the Sun? What are solar cells? How are solar cells made? How do solar cells work? How efficient are solar cells? Types of photovoltaic solar cells How much power can we make with solar cells? Power to the people Why hasn't solar power caught on yet?
What is a vitamin, and why do we need to take them every day? How do poisons work? What does it mean to be alive, at least at the cellular level? All of these questions have obvious answers once you understand how cells work -- so let's get started!
Central Energy Plant / Spillman Farmer Architects. Image © Parham Taghioff Just as fashion designers use pins, needles and textiles to bring their creations to life, architects rely on materials to shape our built environment. From steel and glass to wood and concrete, these form the artistic...
What is a ciliated epithelial cell? What is the function of cheek epithelial cells? Are keratinocytes epithelial cells? How does smoking affect ciliated epithelial cells? How do B-cells differentiate into plasma cells? How do cells use energy? Are hepatocytes epithelial cells? How do small intes...
How do PV cells work, and what do they do? PV cells, or solar cells, generate electricity by absorbing sunlight and using the light energy to create an electrical current. The process of how PV cells work can be broken down into three basic steps: first, a PV cell absorbs light and...