Gram staining distinguishes bacteria on the basis of the presence of a thick peptidoglycan layer, which retains the crystal violet stain. Also... View Article
Cyathium is a type of inflorescence. It is a cup-shaped structure formed by bracts. A single female flower is present in the middle, surrounded... View Article
Yes, leucoplasts like other plastids have their own DNA. They have circular double-stranded DNA. Further reading: Cell - The Unit of Life... View Article
The scientific name is written according to the Binomial nomenclature. The scientific name is italicised and has two components, generic name and... View Article
Cell membrane is made up of phospholipid bilayer and proteins. The hydrophobic tails of the lipid bilayer remain inside and the polar head toward... View Article
Lysosomes contain hydrolytic enzymes. When a vesicle containing the pathogen fuses with a lysosome, the pathogen gets degraded by enzymes present... View Article
Lysosomes are rich in hydrolytic enzymes such as proteases, lipases and other hydrolases. Further reading: Chromoplast Cell - The Unit of... View Article
No, centrioles are not membrane bound. Further reading: Spindle Fibres MCQs On Cytoskeleton Cell - The Unit of Life Cell Cycle and Cell... View Article
Connective tissues link and support organs or tissues. They are made up of cells, which secrete protein fibres such as collagen, elastin. They... View Article
Yes, gene editing can be done to insert, delete or modify a specific gene or DNA sequence. Further reading: Plasmid What Is EcoR1? MCQs... View Article
The three basic steps of gene therapy are identification of the gene of choice, duplication of the gene and then insertion of the gene using an... View Article
William French Anderson is known as 'the father of gene therapy'. The first gene therapy was given in 1990 to a 4-year-old girl suffering from... View Article
If the normal genes can be introduced into cells at early embryonic stages then it can be a permanent cure. Further reading: Plasmid What... View Article
In gene therapy, a normal gene is delivered to an embryo or cells to compensate for the defective gene. Further reading: Plasmid What Is... View Article
An example of gene therapy is the introduction of genetically engineered lymphocytes to cure adenosine deaminase (ADA) deficiency. Further... View Article
Golden rice is vitamin A enriched rice. It is used to prevent malnutrition in developing countries, where there is a shortage of dietary vitamin... View Article
Transgenic plants are useful in many ways. They have various qualities such as tolerance to environmental stress, pest resistance, high... View Article
