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Syngamy - Reproduction
The union of gametes is known as syngamy. Generally the gametes differ from each other in structure, size and behaviour, for which reason these are known as heterogametes.
Ovum (egg) is produced by the female and the spermatozoon (sperm) is produced by the male. Ova are large, non-motile and produced in-relatively small numbers. Sperms are small, motile, and produced in enormous numbers. Syngamy takes place by a process known as fertilisation, in which a sperm penetrates an egg and donates its nucleus to the egg.
Minerals:- Selenium Food Source Sea food, organ meats, cereals (levels vary depending on soil levels) Nutritional Functional role Essential nutrient: Keshan
Why is it important to be familiar with the laboratory apparatus and their uses? If you do not use instruments or lab apparatuses correctly (or use an apparatus for something i
Marine oils These oils typically contain large amounts of long - chain omega-3-polyunsaturated fatty acids, with up to six double bonds and they are usually rich in vitamins A
Biodiversity maintains the air we breathe and the water we drink. Green plants purify our air and our water by taking in carbon dioxide, regulating water vapour, releasing oxygen,
Functional properties of protiens Immunoproteins such as C-reactive protein, Opsonin Immunoglobulins, Contractile respiratory, structural, enzymatic,
Explain Zipping of the Apical Canal a. If the preparation is continued with progressively larger and stiffer file lead to : zipping perforation or tear apical foramen.
The trp (tryptophan) operon which is shown in the figure will have five structural genes encoding enzymes for tryptophan biosynthesis with an upstream Ptrp (trp promoter)
Pollenkitt - Pollen Wall The lipoidal layer found on the outside of the mature pollen grains of many insect pollinated species is known as the pollenkitt. In addition to lipid
Arthropods - Regeneration in Invertebrates Among arthropods like insects, crustaceans, centipedes, scorpions and spiders, the capability of regeneration is low or not present.
Forests, grasslands and wetland protect landscapes against erosion floods and landslides through the binding action of plant roots. The root systems of plants hold soils in place,
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