Which Is the Least Toxic Nitrogenous Waste?
Uric acid is the least toxic nitrogenous waste. Birds, reptiles and insects are uricotelic animals. They excrete uric acid in... View Article
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Which Cells Are the Main Sites of Gas Exchange?
The gaseous exchange takes place between alveoli in the lungs and blood capillaries. Squamous epithelium of alveolar wall, endothelium of... View Article
What Is the Movement of Water Through a Semipermeable Membrane Called?
The movement of water through a semipermeable membrane is called osmosis. Water moves from dilute to concentrated solution in osmosis.... View Article
Why Do Plants Need Ribosomes?
All the cells including plant cells require ribosomes for protein synthesis. They are involved in the translation of mRNA to... View Article
Who Uses Cellular Respiration?
All living organisms perform cellular respiration to derive energy from the breakdown of organic molecules. Cellular respiration can be categorised... View Article
Which Tissue Is Present in Veins of Leaves?
Veins of leaves primarily contain vascular bundles and have xylem and phloem surrounded by bundle sheath cells. The size of... View Article
Which Kingdoms Have Cell Walls?
The cell wall is present in fungi, plants and bacteria, so kingdom Monera, Fungi and Plantae contain cell walls. Animal... View Article
How Do You Identify a Prokaryote?
Prokaryotes are unicellular organisms. They are devoid of the nucleus and other membrane-bound cellular organelles. Also Check: What Are 2... View Article
How Is Blood Made in Our Bodies?
Blood cells are produced in the bone marrow. It is called hematopoiesis. All the blood cells are derived from stem... View Article
What Are the 4 Types of Nucleotides?
DNA and RNA are polynucleotides. Nucleotides are made up of nitrogenous bases attached to pentose sugar and phosphate. The four... View Article
Is Maize C3 or C4?
Maize is a C4 plant. C4 plants use the C4 pathway or Hatch Slack pathway for carbon fixation during photosynthesis.... View Article
How Many Types of Nephridia Are There?
There are three types of nephridia present in earthworms. They are septal nephridia, integumentary nephridia and pharyngeal nephridia. Nephridia are... View Article
How Is Waste Removed from the Body?
Waste is removed from the body in various ways. Kidneys filter out metabolic waste, excess fluid and eliminate it in... View Article
Why Is Long Distance Transport Important for Vascular Plants?
Long-distance transport in vascular plants occurs through vascular tissues of xylem and phloem. It allows water and minerals absorbed by... View Article
Is Genetic Drift Random?
Yes, genetic drift leads to random changes in allele frequencies of a population over a short period of time due... View Article
What Is Gene Expression in Simple Terms?
Gene expression is the process by which information present in a gene is used to synthesise a functional product or... View Article
What are Introns?
Introns are the noncoding regions of mRNA transcript, which are spliced from hnRNA before translation or protein synthesis. Also Check:... View Article
What Are the 3 Theories of Evolution?
The three theories of evolution are: Theory of inheritance of acquired characters – Lamarck Theory of natural selection – Darwin... View Article
What Are the 3 Stages of Embryonic Development?
The three stages during embryonic development in humans are: Germinal stage – 1-2 weeks Embryonic stage – 3-8 weeks Foetal... View Article
What Will Happen to Biodiversity During Adaptive Radiation?
Biodiversity increases as a result of adaptive radiation. Multiple species emerge rapidly from a single lineage and occupy various available... View Article
