Question
Describe secretion in cell.

Answer

Cell is the structural and functional unit of life. Many cells secrete proteins in their surrounding extracellular fluid which regulates various functions of our body. Some cells, for example secrete regulatory molecules such as hormones. Whereas other secrete digestive enzymes, mucus, antibodies.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Three different atoms of oxygen are represented as:$^{16}_{\ 8}\text{O},\ ^{17}_{\ 8}\text{O}\text{ and }^{18}_{\ 8}\text{O}$
  1. What do the subscripts $($lower figures$)$ and superscripts $($upper figures$)$ represent?
  2. What factor is responsible for the change in the superscripts $16, 17$ and $18,$ though the element is the same$?$
  3. What is the usual name for such atoms of an element?
  4. Give the nuclear composition of $​​^{18}_{\ 8}\text{O}$
Define the terms ‘frequency’, ‘wavelength’ and ‘velocity’ of a sound wave. What is the relation between them?
A boy of mass $50\ kg$ runs up a staircase of $50$ steps in $10s.$ If the height of each step is $15\ cm,$ then find the his power. $($Take, $g = 10^{-2}ms)$
What are (i) metals (ii) non-metals, and (iii) metalloids? Give two examples each of metals, non-metals and metalloids.
Give any two functions performed by epithelial tissue.
When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.
How will you separate water from mustard oil?
Define plant breeding? Describe the various methods of plant breeding.
State three reasons why you think air is a mixture and water is a compound.
Potassium chlorate decomposes, on heating, to form potassium chloride and oxygen. When 24.5g of potassium chlorate is decomposed completely, then 14.9g of potassium chloride is formed. Calculate the mass of oxygen formed. Which law of chemical combination have you used in solving this problem?