Stanley Cohen and Herbert Boyer constructed the first artificial recombinant DNA. They inserted antibiotic-resistant genes in the plasmid of... View Article
Yes, pineapple is a CAM plant. CAM plants show Crassulacean acid metabolism, which is a carbon fixation pathway during photosynthesis. It is... View Article
Fruits develop from the mature and ripened ovary after fertilisation. Parthenocarpic fruits develop without fertilisation of the ovary. An... View Article
Auxin induces parthenocarpy in tomatoes. Auxin is a plant growth hormone, which is mostly synthesised in the growing apices of roots and stems.... View Article
Auxin is the plant growth hormone present at the tip of the coleoptile. Auxin was first isolated from the coleoptile of oats seedlings. Also... View Article
In rose, the gynoecium is situated at the centre and other parts of the flower are located at the same level on the rim of the thalamus. This... View Article
Proteins and lipids secreted from the endoplasmic reticulum are modified and packaged in the Golgi apparatus and transported to different parts... View Article
Kingdom is the largest taxonomic group, which contains the largest number of species. The kingdom is followed by phylum. Also Check: What... View Article
Polysome or polyribosome is an association of several ribosomes on mRNA, as a bead on the thread. They perform translation of mRNA to a... View Article
Anabaena is a genus of cyanobacteria or blue-green algae. It belongs to the kingdom Monera. They have the nitrogen-fixing capability. Also... View Article
Taxon is a unit of classification and represents a category or rank in the hierarchy of classification. The largest taxon is the kingdom, which... View Article
Polysome is a single mRNA attached to many ribosomes involved in protein synthesis. It is found in the cytoplasm or attached to the endoplasmic... View Article
Commensalism refers to the interaction between animals, where one species is benefitted and the other is neither harmed nor benefited. E.g.... View Article
Endoplasmic reticulum does not contain DNA. DNA is primarily present in the nucleus and also present in the mitochondria and chloroplasts.... View Article
Placentation refers to the arrangement of ovules in the ovary of the flower. Types of placentation are parietal, marginal, axile, central, basal,... View Article
Glucocorticoids are steroid hormones secreted from the adrenal cortex and are involved in the regulation of carbohydrate metabolism. E.g.... View Article
Trypsin and chymotrypsin are digestive enzymes that break down proteins. They are secreted as a zymogen (trypsinogen and chymotrypsinogen) from... View Article
