Diffusion causes the random movement of molecules, as a result of which there is a total flow of matter from a high concentration area to that of... View Article
Xylem is a plant structure. This compound tissue is found in vascular plants and is vital in rendering support and in the conduction of... View Article
Nucleus has a central role to play as it contains the genetic material. It regulates and controls cellular activity ranging from growth,... View Article
Emulsion test. Emulsion tests can be used to test for the presence of lipids in a sample. In this test, the sample is required to be suspended... View Article
Multiplication of viruses requires the assistance of the cells they are to infect. Viruses are dependent on their host's nucleus to locate... View Article
Plants, through the process of photosynthesis, make use of the sunlight to energise and generate glucose through the available water and carbon... View Article
Cells die as a result of damage, injury however most of the cells die by self-killing. In the body, cell death is an important process as it... View Article
The growth and development process seen in bacteria is different compared to humans or animals. Bacteria consume nutrients and division is the... View Article
B cells identify foreign recognize infectious particles by the shape of the antigens found on their surfaces. Cells that descend from a one B... View Article
Simple answer is with the help of antibodies. B-cells present in the body and part of the immune system attack and defend the body against... View Article
Chromatin is a complex of proteins and DNA forming chromosomes in the eukaryotic cell (nucleus). They exist in two structures - heterochromatin... View Article
Short answer to it is via roots. Roots are the plant structures through which plants absorb their much-required minerals and water. Root hair... View Article
Living tissues are composed of cells, many different cell types. The body has many levels of organization upon which it is built. Cells are the... View Article
On the basis of the absence or presence of biological pigments and different phases of development, plastids are of different types and exhibit... View Article
Chromosomes are composed of chromatin consisting of proteins and DNA. The main proteins in chromatin are histones. In the nucleoplasm is observed... View Article
Cells take birth from the preexisting cells through the process of mitosis. Through the cell cycle, new cells are created from the already... View Article
The short answer to it is no. Ribosomes do not contain DNA. Ribosomes are composed of 2 main sub-units - the large subunit joins together the... View Article
The short answer is yes. Mitochondria is found in plants. Plant and animal cells both have mitochondria the only difference being plant cells... View Article
Stomata, tiny openings present on the epidermis of leaves. They have a vital role in photosynthesis. In the absence of light in the night time,... View Article
