Read this article to get information about the Structure, Functions and Types of Mature Sperm! The spermatozoa of different groups of animals exhibit great variety of form. Those of chordates, however, show a remarkable uniformity of structure. The spermatozoon, which performs the function of carrying genetic material from the male to the oocyte, consists of two principal parts= head and [...]
The two important types of Plastids are as follows: The plastids contain the pigments which may be of various types. Sometimes pigments are absent. On the basis of presence of pigments, the plastids are of two types: (i) the chromoplasts (chromatophores) having pigment, and (ii) the leucoplasts which are colourless plastids. Image Courtesy : www.ck12.org/ck12/images?id=346038 Chromoplasts: The chromoplasts [...]
Useful notes on the Origin of Lysosomes! They have multiple origins depending upon the tissue in which they are located or on their function in a specific cell. 1. Extracellular origin: Lysosomes may be the vacuoles absorbed into cell by the process, pinocytosis. Pinocytic vacuole may later become cytoplasmic particle and thereon enzymatic activity becomes developed. Image Courtesy : [...]
