Shoaib Q- Why are mitochondria and plastids called semi-autonomous organelles? Answer- Cell organelles such as mitochondria and plastids are called semi-autonomous organelles because both mitochondria and plastids have DNA, RNAs, 70S ribosomes and ATP so that they are capable of synthesizing protein on their own.
Q- What is Prokaryotic cell? Answer- Prokaryotic cells are the cell having diffused or false nucleus. These cells have less number of cell organelles as compared to Eukaryotic cell. Easy way to draw labelled diagram of Prokaryotic cell:
Q- What are the sources of parenchymal cells of the plants and squamous epithelial cells of man to prepare their slides? Answer- Slides of Parenchymal cells of the plants can be prepared by taking a small portion of the peel of the onion. On the other hand, the Slides of the squamous epithelial cells of … Read more
Q- Define Diffusion? Give one example of diffusion. Answer- Diffusion is the process of movement of materials from a region of higher water concentration to a region of lower concentration. For example: Exchange of oxygen of air and carbon dioxide of blood at the lung during respiration.