Through the translocation phenomena, the sap passes through the phloem, which is the transportation of dissolved materials. Phloem is involved in... View Article
Peptidoglycan is a polymer of amino acids and sugars making up the cell walls of bacteria. This basic unit of the cell wall in bacteria presents... View Article
Gram staining is a common procedure to differentiate two large groups of bacteria on the basis of their different cell wall constituents.... View Article
Enzymes are pH-sensitive. Modification in the pH results in the ionization of amino acids molecules and atoms, altering the structure and shape... View Article
In the mitochondria, the activity of the electron transport chain generates proton potential. The ATP synthase utilizes this potential by... View Article
There are several factors affecting the rate of diffusion in the lungs, some are - Thickness of the membrane - rate of diffusion is faster... View Article
Usually, Pulmonary oedema is due to congestive heart failure. Blood backs up into veins which take blood through the lungs when the heart is... View Article
Activation energy can be lowered by enzymes in the following ways - Bonds in reactants can be stretched when they bind with enzymes making it... View Article
Enzymes accelerate chemical reactions, they are biological catalysts. They do so by reducing the amount of activation energy required for a... View Article
The avian respiratory system is different, physically from the mammalian respiratory system, both in its ability to exchange gas as efficiently... View Article
In order to prevent dessication (water loss), insects have an impermeable exoskeleton and an internal gas exchange system. As this exoskeleton is... View Article
Nematodes have an unsegmented body whereas annelids are metamerically segmented. Nematodes are pseudocoelomate, whereas annelids have a true... View Article
Annelids possess a closed circulatory system. Blood is circulated through blood vessels, capillaries and the heart. Blood glands are present on... View Article
Reflexes are involuntary responses to peripheral nerve stimulation. A reflex that is mediated by cranial nerves is called cranial reflex such as... View Article
Yes, knee jerk is a reflex action. It is also known as the patellar reflex. A tap on the patellar tendon causes contraction of the quadriceps... View Article
Flatworms are hermaphrodites, i.e. sexes are not separate. They have both male and female sexual organs. Also Check: Do Flatworms Have A... View Article
Planaria is a free-living freshwater flatworm. Planaria belongs to the class Turbellaria, which mostly contains free-living species. Most of the... View Article
Some of the flatworms such as planaria possess high regeneration capacity. They can regenerate the damaged parts. Also Check: Do Flatworms... View Article
