The centriole undergoes duplication during:

The biosynthesis of ribosomal RNA occurs in:

Match the following columns and select the correct option :

Match List I with List II


Choose the correct answer from the options given below:

The DNA present in chloroplast is:

Match List I with List II :

Choose the correct answer from the options given below :

Given below are two statements:
Statement I: Mitochondria and chloroplasts are both double membrane bound organelles.
Statement II: Inner membrane of mitochondria is relatively less permeable, as compared to chloroplast.
In the light of the above statements, choose the most appropriate answer from the options given below :

Which of the following are not membrane – bound?

The function of the gap junction is to:

The Golgi complex plays a major role :

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?