Question

D. Answer the following in short.
1. Why is a cell called the structural and functional unit of a living organism?

2. Why is the cell membrane called a selectively permeable membrane?

3. What is chromatin network?

4. Why are mitochondria called the powerhouses of a cell?

5. What are ribosomes?

6. Why is papaya yellow, spinach green and the edible part of a watermelon red?​

Answer 1

Answer:

what is called the structure and functional unit of life because it built the life blocks

Explanation:

2. cell membrane is called selectively permeable membrane because it only enters a selectively molecules into it

3. it is a cell in A nucleus contains the DNA

4. mitrochrondia is called the powerhouse of the cell because they give energy to the body .

5. ribosomes are the macular molecules found within the cell .