Lysosomes: Types and Functions
They were first of all observed by Christian de Duve in 1955. The lysosomes are tiny vesicles which are bounded by single membrane and are...
Mosquito and its life cycle
Introduction Mosquitoes are two-winged flying insects that suck blood from humans and other animals. They are found all over the world but are mostly common...
Lifecycle of silkworm and sericulture
Introduction The silkworm is the larva or caterpillar or imago of the silk-moth that produces silk thread. The thread is used for making silk clothes...
Properties and functions of hormones
A hormone(from the Greek participle “ὁρμῶ”, “to set in motion, urge on”) is any member of a class of signaling molecules produced by glands in multi cellular organisms that are transported by the...
Classification and characteristics of Superclass: Tetrapoda
Tetra-four, podos-feet Primarily terrestrial, some are secondarily aquatic. Two pairs of pentadactyl limbs. Body covered by an exoskeleton of epidermal hair, feathers or scales. Lungs...