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Bulk Transport is an example of active transport. The process by which amoeba engulfs its food and secretes is a type of active transport. Amoeba forms false feet like pseudopodia and engulf food.Active and Passive transport both are related with plasma membrane. Active Transport is the transport of food across plasma membrane with expenditure of energy.

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Why is NaK incorrect?

"NaK" is incorrect because "Na" represents sodium (Na) and "K" represents potassium (K), but in reality, NaK refers to a specific alloy of sodium and potassium. When discussing them separately, it is incorrect to use them together as if they were one element.


What is the process of making Nak?

While this is a valid question that deserves a valid answer, wiki.answers.com does not allow the formulas of explosive materials to be answered for the safety of the less experienced viewers who may try this without the proper supervision or safety protocols of which it requires.


What is wrong with the chemical formula NaK?

There are several problems with it. Firstly, sodium and potassium don't really react with each other. A mixture of sodium and potassium is an alloy, not a chemical compound, and as such it doesn't really have a formula. Secondly, even if they did, potassium is the less electronegative of the two, so it should by rights be written first. Finally, assuming you could somehow force sodium to be an anion, by that formula it would only have two outer shell electrons rather than a full octet.


Why lithium use as heat transfer agent in nuclear reactors?

Its not used in any reactor designs. Most use ordinary water. A few designs use molten metals like sodium, NaK (sodium-potassium alloy), mercury, etc. because they do not slow the neutrons as water would and they want fast neutrons in these designs. These metals also transfer heat more efficiently than water does.


Is sodium used as a salt substitute?

PURE SODIUM will blow your face off. Na+H2O=explosion. Pure sodium is also very soft, and needs to be stabily kept in kerosene. A good substitute for NaCl(sodium chloride, also known as table salt) is NaK-Sodium potassium. The funniest thing about soduim and chlorine is one is a yellow gas that will choke you to death, while the other dropped in water will cause huge explosions. Also, DO NOT TRY TO MAKE YOUR OWN SALT. The reaction could burn you seriously, or an uncontrolled chlorine leak will kill you. The short answer is 'no' -- sodium is a component of salt. What we commonly think of as 'table salt' -- the stuff on french fries that makes them taste, well, salty -- is sodium chloride, or NaCl. When sodium molecules meet chlorine molecules, they form edible salt. The most common 'salt substitute' is potassium chloride, or KCl, which, you might notice, is just like table salt except that it's potassium and chlorine instead of sodium and chlorine.