Why do we perform the osmosis across the plasma membrane experiment in RBC, not in the WBC? Why is membrane permeability important to the cell? How do water molecules use osmosis to enter cells when polar molecules can't diffuse through the cell membrane? Why do cells need selectively permeab...
Question: Why do cells experience adecreasein entropy while the universe isincreasingin entropy? Laws of Thermodynamics: Excluding the zeroth law, there are three fundamental laws of thermodynamics. The first law deals with the eternality of energy, that energy cannot be created...
What is homeostasis? Learn about what homeostasis means, how homeostasis is maintained and examples of homeostasis in the body and other biological systems. Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question ...
Why is diffusion important to cells? Moving Molecules: If you've ever sprayed an air freshener, lit a scented candle, or made a glass of Kool-Aid, you've experienced diffusion in action. This process of moving molecules from high concentration to low concentration is all around us. It is...
triggered deep inside your cells. 而以出汗回应 As you increase your pace, your muscles work harder, 当你加快步伐时你的肌肉会更努力工作 increasing their demand for energy. 增加对能源的需求 A process called cellular respiration 这是个细胞呼吸的过程 ...
Soap solution is of higher concentration (hypertonic), due to this water moves out of finger skin cells due to the phenomenon of exosmosis and it leads to shrinkage of finger skin.
The best way to make your own colloidal silver generator at home is with simple supplies and a bit of DIY knowledge. You don’t need an expensive machine or any specialized knowledge to do it, and the best part is that there are no expiration dates. In this article, I will show you ...
Liu Hui: Do I need to pay for a TV license if I only watch TV online in the UK? Gordon: Yes, indeed. You need to be covered by a TV license if you watch or record programs as they're being shown on TV or live on an online TV service. ...
Why does the cell nucleus need a double membrane? 1. Explain how CDKs regulate cell division. 2. Explain the role of transposable elements in eukaryotes. Why is it advantageous that animal cells don't have cell walls but bacteria do?
Most culture media must have a neutral pH (~7.0). Why is this the case? Clue: What conditions do cells need? Why? What does pH mean? Why is water a good solvent and what determines how acidic a substance actually is? What are the benefits of having a low pH in the stomach?