The movement of water through a semipermeable membrane is called osmosis. Water moves from dilute to concentrated solution in osmosis. It is... View Article
All the cells including plant cells require ribosomes for protein synthesis. They are involved in the translation of mRNA to polypeptide chains.... View Article
All living organisms perform cellular respiration to derive energy from the breakdown of organic molecules. Cellular respiration can be... View Article
Veins of leaves primarily contain vascular bundles and have xylem and phloem surrounded by bundle sheath cells. The size of the vascular bundles... View Article
The cell wall is present in fungi, plants and bacteria, so kingdom Monera, Fungi and Plantae contain cell walls. Animal cells do not have cell... View Article
Prokaryotes are unicellular organisms. They are devoid of the nucleus and other membrane-bound cellular organelles. Also Check: What Are 2... View Article
Blood cells are produced in the bone marrow. It is called hematopoiesis. All the blood cells are derived from stem cells in the bone marrow known... View Article
DNA and RNA are polynucleotides. Nucleotides are made up of nitrogenous bases attached to pentose sugar and phosphate. The four types of... View Article
Maize is a C4 plant. C4 plants use the C4 pathway or Hatch Slack pathway for carbon fixation during photosynthesis. Oxaloacetic acid (OAA), a 4... View Article
There are three types of nephridia present in earthworms. They are septal nephridia, integumentary nephridia and pharyngeal nephridia. Nephridia... View Article
Waste is removed from the body in various ways. Kidneys filter out metabolic waste, excess fluid and eliminate it in the form of urine. Lungs... View Article
Long-distance transport in vascular plants occurs through vascular tissues of xylem and phloem. It allows water and minerals absorbed by roots to... View Article
Yes, genetic drift leads to random changes in allele frequencies of a population over a short period of time due to chance events. Also Check:... View Article
Gene expression is the process by which information present in a gene is used to synthesise a functional product or proteins. Genes contain a... View Article
Introns are the noncoding regions of mRNA transcript, which are spliced from hnRNA before translation or protein synthesis. Also Check:... View Article
The three theories of evolution are: Theory of inheritance of acquired characters - Lamarck Theory of natural selection - Darwin Mutation... View Article
The three stages during embryonic development in humans are: Germinal stage - 1-2 weeks Embryonic stage - 3-8 weeks Foetal stage - from... View Article
Biodiversity increases as a result of adaptive radiation. Multiple species emerge rapidly from a single lineage and occupy various available... View Article
The most common form of lipid is triglycerides. Triglycerides are esters of glycerol with three fatty acids. Fatty acids in a triglyceride can be... View Article
Sarcoplasmic reticulum stores calcium ions and releases them into the sarcoplasm on the generation of action potential during muscle contraction.... View Article
