Explanation:
Importance of Pre-marital counselling
Premarital counselling helps to improve the communications between the partners and set realistic goals for marriage. It also helps to develop conflict-resolution skills. A positive attitude is established between the couples with the help of premarital counselling.
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<span>Primate females give birth to fewer offspring than do many other mammals. Many other mammals give birth to full litters, sometimes as many as 20 at a time, where primates typically give birth to between one and two offspring at a time, and rarely to three, without medical intervention. Mammals tend to give birth to fewer offspring than they have teats/nipples to allow for feeding.</span>
The cell membrane is also called selectively permeable membrane for the sole reason being it is selective in nature.
It forms a physical barrier and as a barrier between the cell and the external environment as it allows only selected necessary molecules to pass through it and at the same time prevents entry of unwanted / unnecessary substances.
It also regulates the entry and exit of molecules into and out of the cell.
The cell membrane permits the entry of vital molecules like
<span>water, oxygen, amino acids and glucose into the cell as they are crucial for various life processes and at the same time metabolic waste products are expelled through the cell membrane.</span>
Because bile contains salts and digestive compounds and lipase is a digestive enzyme, you might create a simple qualitative experiment to test the action of bile and lipase. Bile is first used to emulsify and break down food entering the small intestine, and lipase is used afterwards by the pancreas to break down fats. With this information, I suggest this experiment:
1) Label 4 test tubes A, B, C, and D. Divide the fat solution equally into the 4 tubes.
2) In tube B, add an x amount (but not the whole volume) of the bile solution.
3) in tube C, add a y amount (but not the whole volume) of lipase solution.
4) in tube D, add the x amount of bile and the y amount of lipase solution.
5) Swirl/mix until everything looks homogenized/settled.
6) tube A is your control. Compare the 3 other tubes to it and write observations. You should be able to make conclusions about the role of bile in digesting a fatty solution, and the extent of digestion with and without the additional lipase.
Hope this is helpful!~ There are certainly many other possible experiments.
The part of the atom which is involved in chemical bonding with other atoms is called Valence Electrons. Hope this helps :)
