Find out the false sentences
A. Golgi apparatus is involved with the formation of lysosomes

B. Nucleus, mitochondria and plastid have DNA; hence they are able to make their own structural proteins

C. Mitochondria is said to be the power house of the cell as ATP is generated in them.

D. Cytoplasm is called as protoplasm

Why does the skin of your fingers shrink when you wash clothes for a long time?

How are chromatin, chromatid and chromosome related to each other.

What is the gene? Give its functions.

Medical science took a giant step forward when it declared its capability to store stem cells. Stem cells can be used later on to treat certain diseases if need arises. Along with many Western countries. India also has the facility for storage of stem cell and for use of the same for therapy. Scientists’ are trying their best to maximize the benefit from storage of stem cells.

(i) What is the main source of stem cells?

(ii) What are the diseases that can be treated by storing stem cells?

(iii) What value is shown by the scientists?

Which functions are performed by cell wall in plant cells?

Which structure of animal cell forms the asters of spindle?

Name two factors on which shape of the cell depends.

What is endosmosis?

Plasma membrane is permeable to water. How does a cell show endosmosis or exosmosis?