Which is not a classified form of conjugated proteins?

Which of the following is not a classified form of conjugated proteins? (a) Lipoproteins (b) Glycoproteins (c) Metalloproteins (d) Complete proteins Sol: (d) Complete proteins A. Lipoproteins Lipoproteins are complex particles that transport fats (lipids) throughout the body in the bloodstream. They are made up of a combination of proteins, cholesterol, and triglycerides, and are … Read more

Which of the following vitamins is synthesized in the body by intestinal bacteria_______?

Which of the following vitamins is synthesized in the body by intestinal bacteria_______? A. Vitamins B1 B. Vitamins B12 C. Vitamins E D. Vitamins K A. Vitamins B1 B. Vitamins B12 C. Vitamins E D. Vitamins K Vitamins K Vitamins k is a supplement that helps to improve the health of your body. It is a natural product that has been … Read more

Molluscs (Phylum Mollusca)

Molluscs (Phylum Mollusca) The molluscs, or soft-bodied animals The molluscs are also invertebrate The molluscs having  (80,000 species) The molluscs include oysters, mussels, slugs, snails, squids and cuttlefishes. Body form of Molluscs We can divide molluscs into four regions; A dorsal visceral mass which is coiled in the gastropods and in which the internal organs … Read more

Mollusca Nervous, Reproductive, Excretory system

Nervous system and sense-organe The most primitive nervous system occurs in the monoplacophorans and amphincurans (e.g. chitons, where it consists of a central nerve ring round the anterior oesophagus with pleurovisceral and pedal cords running back, the former encircling the margin of the mantle, the latter running down the foot, with cross connections between the … Read more

Circulatory system of mollusca

Circulatory system The heart lies within the pericardium which represents part of the much reduced coelom or body cavity. It consists of a single muscular ventricle into which open usually one pair, but in a few cases two pairs, of auricles. Contractions of the ventricle force blood into anterior and posterior aortae; it then circulates … Read more

jellyfish Class Scyphozoa

In the large jellyfishes or Scyphozoa the medusoid phase is dominant, the polyp, known as the hydra tuba or scyphistoma, being a small tubular organism resembling Hydra. The class comprises five orders as follows: Semaeostomeae, Rhizostomeae, Coronatae. Cubomedusae and Stauromedusae The most noticeable external feature of the class is its four-rayed symmetry. The bell of … Read more