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(b)
Complete digestive tracts in (a) Earthworm and (b) Salmand..
(b)
(a) Axonal membrane showing distribution of ions and ion channels(b) Recording of nerve action potenti..
(b)
Difference in the local circuits produced in (a) non-myelinated axon (continuous) (b) myelinated axon (saltatory) Once the impulse is generated at a particular point on the membrane, that point becomes depolarized. The cations diffuse from the electropositive depolarized region to the el..
(b)
A typical action potential in an axon (a) Potential distribution across the axonal membrane (b) Relationships between membrane potentials All along the nerve fibre, it is surrounded by a fluid called the extracellular fluid (ECF). There is a differential distribution of sodium and potassi..
At 'B'
- observe the angles ABP and ABQ Now, in D le PAB, we know that values of and AB. \ AP can be determined. In D le QAB, we know the values of and AB. \ AQ can be determined. In D le PAQ, we know the values of AP, AQ and \ PQ can be determine..
- observe the angles ABP and ABQ Now, in D le PAB, we know that values of and AB. \ AP can be determined. In D le QAB, we know the values of and AB. \ AQ can be determined. In D le PAQ, we know the values of AP, AQ and \ PQ can be determine..Preparation
Plaster of Paris is prepared from gypsum (calcium sulphate dihydrate, CaSO 4 .2H 2 O). When gypsum is heated to 120 o C, it loses 75% of its water of crystallization to form plaster of Paris. Note:- The temperature should not exceed 130 degrees ,because the setting property of plaster of p..
Plaster of Paris is prepared from gypsum (calcium sulphate dihydrate, CaSO 4 .2H 2 O). When gypsum is heated to 120 o C, it loses 75% of its water of crystallization to form plaster of Paris. Note:- The temperature should not exceed 130 degrees ,because the setting property of plaster of p..Uses
Plaster of Paris is used to set fractured bones due to its setting property on hydration. It is used as a sealant in laboratories. Can be used to make casts for toys, statues, ornaments and decorative items. It is used as a fire proofing material. Used in the manufacture of black-boar..
Uses
Calcium hydroxide is used for: Testing carbon dioxide (CO 2 ) in laboratories. It turns milky when carbon dioxide is passed into it due to the precipitation of calcium carbonate (CaCO 3 ). White washing buildings. This reacts slowly with carbon dioxide (CO 2 ) in the air to form calcium carbonate (..
Biochemistry
This branch deals with the chemical changes going on in the bodies of living organisms; plants and animal..
Line
A line has one dimension i.e., length only. It can be extended in both directions indefinitely. or 'l' is a li..
A line has one dimension i.e., length only. It can be extended in both directions indefinitely. or 'l' is a li..See what our Users say :
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