Name any cell organelle which is nonmembranous.

Why is endocytosis found in animals only?

A person takes concentrated solution of salt. After sometime he starts vomiting. What is the phenomenon responsible for such a situation? Explain.

We eat food composed of all the nutrients such as carbohydrates, proteins, fats, vitamins, minerals and water. After digestion, they are absorbed in the form of glusoce, amino acids, fatty acids, glycerol, etc. What mechanisms are involved in the absorption of digested food and water?

If you are provided with some vegetables to cook, you generally add salt into vegetables during cooking process. After adding salt, vegetables release water. What mechanism is responsible for this?