Lipids are made up of glycerol and fatty acids with a long chain hydrocarbon. Triglycerides are the most common type of fats. They have three... View Article
Chemical digestion refers to the enzyme-mediated breakdown of larger molecules into smaller molecules and their monomer in the gastrointestinal... View Article
Plasmodesmata are intercellular connections, which connect the cytoplasm of two neighbouring plant cells. Desmosomes are adhesive protein... View Article
C3 plants are those, in which the first stable product of carbon fixation is 3-carbon compound 3-phosphoglyceric acid (3-PGA). Tomato is a C3... View Article
Antigen-presenting cells (APCs) play an important role in adaptive immunity. These are required for the functioning of T-lymphocytes. The main... View Article
Veins carry deoxygenated blood towards the heart from the different parts of the body with the exception of pulmonary veins, which carry... View Article
No, hookworm or Ancylostoma is a roundworm classified in the phylum Aschelminthes with Ascaris, Wuchereria, etc. They are pseudocoelomate and... View Article
A ganglion is a group of neuronal cell bodies found in many animals from the phylum Platyhelminthes onwards. In invertebrates, a pair of ganglia... View Article
Sea anemone or Adamsia belong to the phylum Coelenterata or Cnidaria. They have a non-centralised or diffuse nervous system made up of nerve... View Article
Yes, Platyhelminthes have a primitive brain from which one or more longitudinal nerve cord appears and forms the central nervous system. The... View Article
Worms belong to the phylum Platyhelminthes, Aschelminthes and Annelida. They are all bilaterally symmetrical. E.g. tapeworm, roundworm, pinworm,... View Article
Flatworms have a well developed muscular system, which gives them the ability to contract and elongate extensively. It consists of subcuticular... View Article
Flatworms belong to the phylum Platyhelminthes. They are called flatworms due to their dorso-ventrally flattened body. They have an organ level... View Article
Flatworms are hermaphrodites, i.e. a single organism that carries both eggs and sperms. Reproduction in flatworms occurs by both asexual and... View Article
Planarians are hermaphrodites, i.e. a single organism carries both eggs and sperms. Reproduction in planaria is by both asexual and sexual means.... View Article
The most primitive type of nervous system is the diffuse nervous system, where nerve cells are distributed below the outer epidermis throughout... View Article
Yes, Platyhelminthes have a primitive brain from which one or more longitudinal nerve cord appears. A network of coordinating sub-epidermal,... View Article
Flatworms belong to the phylum Platyhelminthes. They are mostly endoparasites in animals as well as in humans and cause various diseases. E.g.... View Article
Inflammation of the intestine is the most common disorder associated with the digestive system. It can be caused by a viral infection, bacterial... View Article
