Last seen: Jan 25, 2021
(1) Chromatin: It is a fine network of thread-like structure made up of DNA or RNA. It gets condense to form chromosomes. (2) Chromosome: The chromo...
Ribosomes are spherical organelles present in the cell which are either freely distributed in the cytoplasm or may be attached to the endoplasmic reti...
Structures: Golgi bodies consist of a system of membrane-bound vesicles arranged in stacks parallel to each other called cisterns. These membranes hav...
Yes, vacuoles also store some important substances required in life of the plant cell. These are amino acids, sugars, various organic acids and some p...
Plastids are present only in plant cells. There are two types of plastids chromoplasts (coloured plastids) and leucoplasts (white or colourless) ...
The nucleus plays a very important role in the reproduction of cells. It also helps the single cell to divide and form two new daughter cells. It p...
(i) A – Golgi body (ii) B – Mitochondria (iii) C – Endoplasmic reticulum (iv) D – Nucleus
Each kind of cell organelles performs a specific function such as making new material, clearing of the waste, transporting material, etc.
The nuclear region in some cells are poorly defined due to the absence of a nuclear membrane, it contains only nucleic acid. This undefined nuclear re...
Lysosomes contain digestive enzymes in it and helps in the cleaning of cell by digesting any foreign materials entering the cell, such as bacteria, fo...
Raisins are dry with less water inside, when they are kept in water, osmosis takes place, water flows through the cell wall, cell membrane of the rais...
Vacuoles are storage sacs for solid or liquid content. In plant cells it provides turgidity and rigidity to the cell. In single-celled organisms vacuo...
The cell membranes flexibility allows the cell engulf in food and other material from its external environment. This process is known as endocytosis. ...
Smooth Endoplasmic Reticulum 1. It looks smooth. 2. SER helps in the manufacture of fat molecules or lipids. Rough Endoplasmic Reticulum 1. It...
The cell organelles with their own DNA and ribosomes are mitochondria and plastids.
The nuclear membrane present as outer covering in the nucleus allows the transfer of material inside and out of the nucleus to cytoplasm.
The cell wall present in fungi and bacteria permits these cells to withstand very dilute external medium without bursting. The cells take up water b...
When a living plant cell loses water through osmosis there is shrinkage or contraction of the contents of the cell away from the cell wall. This pheno...
(i) The difference in the concentration of water, one should have higher concentration than the other. (ii) Semi-permeable membrane is also require...
The golgi bodies consist Of a system of membrane-bound vesicles arranged in stacks called cisterns.