can cell shape influence the rate of difusion of nutrients and waste?how will a thin flat cell compare to a cu
821335
A thin flat cell will diffuse faster than a cube shaped cell.\n\nIt all depends on it's surface area to volume ratio. The higher the ratio is, the higher the rate of diffusion.
747065
60 seconds per cell, 120 seconds total? are they in the same cup? Give me the answer!!!
739654
The first and most important thing is for the surface area to volume ratio. The smaller the ratio, the more efficient the cell.\n\nAlso, cells are building blocks of something bigger. If we had huge cells, imagine how big we'd have to be in order to hold trillions of them. ;)\n\nThat's about it in the nutshell.
445105
damn! i should know this...i'm a science chem/bio student\n\ngimme some time...they are basic and acidic in nature. so in solution, there's the [H] ions for reaction in/around cells
490738
cells lose water and become placid??
965419
Yes; think of the cell as a sack filled with stuff surrounded by a semipermeable membrane. Water diffuses through the pores based on its concentration. That is, water goes from an area of great to less concentration. Since the distilled water by definition has no solute and is 100 per cent pure and since the concentration of the water in the cell is diluted by the presence of small particles (almost one percent), water flows from the outside to the inside very quickly. The membrane is stretched so much by the infusion of water that it bursts.
760371
1. The ratio of h to r is not dependent on the can being made of aluminium. The surface area is just a concept - it cannot be aluminium.\n\n2. Is a cube (assuming that no aluminium is used in forming the edges) \n\n3. You need to do this bit.\n\nFurther Investigation  - you need to do this bit , it looks as though if you limit your investigation to regular prisms that will be O.K., investigating cones would be impressive. \n\nIn so far as the wastage is concerned. If you find out what the area+wastage is for the optimally sized circular cylinders and compare with optimally sized hexagonal prisms then this may be sufficient?
1120574
Basically the body derives energy by stripping electrons off the food you eat and using those electrons to generate a tiny electrical charge to run the tiny electric pumps that keep you alive and moving. Animal cells are essentially just tiny electrochemical motors.\n\nThe catch is that those stripped electrons have to go somewhere, they have to be moved to a lower energy state and disposed of in order to derive that energy. Oxygen is ideal for disposing of electrons because it is extremely electron hungry. It will accept electrons from almost anything. Because of that electron affinity we can take the electrons we strip off food run them down to a very low energy state, sucking almost all the energy from them, and then we can dump them onto oxygen which still accepts them. In comparison other elements are pretty lousy electron acceptors. Once the electrons cease being very high energy those other compounds simply won’t accept them. As a result running anaerobically requires that the electrons be disposed of while they still have a lot of energy in them, so the organism gets less usable energy for each calorie eaten.\n\nYou might compare it to a battery recycler. One place will accept batteries for disposal that are totally dead and another will only accept batteries if they have a few hours life left in them. Obviously the place that will accept the dead batteries will be more efficient to use. Oxygen vs. other electron acceptors is very much like that. Oxygen allows us to suck every last little bit of juice out of our food, other electron acceptors require us to discard the food with quite a bit of potentially usable juice left.
355307
It isn't a very good control if your cells die before the experiment is complete.  More info is needed to get a more specific answer.
169049
In a way, yes. \n\nZinc, as a metal, is actually one of the components of a dry cell/battery, along with lead (and, well...batteries are global sources of energy...in one sense). This supports the fact itself that all metals are potential energy providers...^_^\n\nZinc, as a mineral, is also taken by the body as, again, one of the components on milk and vitamins (you noticed commercials saying milk and vitamins contain Zinc? ^_^). These minerals do help in providing the body with optimum energy. The bodies of the people contributing to the "globalness" of our planet made Zinc a contributing factor in global energy... ^_^\n\nSo, either a mineral or a metal, Zinc has a contribution to global energy. Thank you. ^_^
785969
Lets see, \n2. the cell of a  univellular organism is more simpler than a cell of a multicellular organism because the single cell performs all life functions\n5.depends\n3. it may be digests?? because ingests means to take in food . . . not really to break the food down\n6.Changes
846058
yup it does to give copper oxide, water and carbon dioxide\n\nCu(HCO3)2======> CuO +H2O +2CO2
138885
it depends on your body demand for water. generaklly water can be absorbed completely by alimentary system
371493
to carry nutrients, oxygen, wastes to/away from body cells.
517457
Cells are not all of the same size, but average size is close to 15 micrometers.
356130
im studying the digestive system right now, so i'll have a go at this question (u may want to chec accuracy).\nthe cell gets the carbon it needs via the blood supply. when we eat, all the nutrients are broken down and molecules such as hydrogen, oxygen and carbon are filtered into the blood stream so that they can be passed on to all the cells in th body.\n\ndoes that help?
196785
the answer can vary greatly depending on the type of cell that you are looking for.  High efficiency cells can have outputs more than 10 times that of cheap hobby cells.  The easiest way to find the specs is the website of your supplier, they should quote full efficiencies of all of their products