Ion gated channels are used. Usually, they are active transport , they use ATP (energy).
Answer:
1. E.coli
2. Intestinal tract
Explanation:
E.coli bacteria are useful to humans when they live in the large intestine of humans. The large intestine is an important digestive structure as it is important for the reabsorption of the nutrients.
The E.coli living in the intestine use the available digested nutrients and synthesises the vitamin B and K which are absorbed and utilised by the human body.
Thus, E.coli and Intestinal tract is correct.
Plant cells have a few additional structures : chloroplasts and vacuoles
animal cells do not have these structures
Explanation:
Glucose is stored in the liver.
<span>As stated in the given, chlorine ion is formed when the neutral atom which only has seven electrons in its valence shell, accepts additional electron. The nature therefore of a chlorine ion apart from being negatively charged is that it will take electron from the bonds or share electron when covalent bonding is done. </span>
