Question

Q2) What happens when RBCs are placed in hypotonic solution?
Q3) What do you mean by membrane biogenesis?
Q4) Why is ATP known as energy currency of the cell?
Q5) Write the components of a nucleus in a eukaryotic cell.
Q6) Name the organelles which show the analogy written as under
(a)Control room of the cell
(b)Packaging and dispatching unit of the cell
(c)Kitchen of the cell
(d)Power house of the cell
(e)Storage sacs of the cell
(f) Digestive bag of the cell​

Answer 1

2. A red blood cell will swell and undergo hemolysis (burst) when placed in a hypotonic solution. When placed in a hypertonic solution, a red blood cell will lose water and undergo crenation (shrivel).

3.Membrane biogenesis is the process of formation of the biological membrane. It involves the synthesis of cell membranes with the help of proteins and lipids. Endoplasmic Reticulum is responsible for membrane biogenesis.

4. ATP is called the energy currency of the cell because it is the molecule that all living organisms use for energy.

5.in division of nucleus the chromatin forms a definite number of thread like structures called chromosome which contain heredity units in their surface,called gene. chemically chromatin consist of DNA and RNA. nucleolus: in each nucleus one or more globular bodies are present called nucleolus.

6. a)Nucleus

b)golgi complex

c) chloroplast

d)Mitochondria

e)Lysosomes

f)Lysosomes

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