Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.

Diamond and Graphite are two allotropic forms of carbon. Both are covalent solids. These two froms have different structures and hence differ in physical properties. Both have their own importance in being used in everyday life. Diamond is popularly used in jewellery and graphite is extensively used as electrodes in many industrial processes. Answer the following questions Which of the allotropes is a good conductor of electricity.

For an n-p-n transistor in the common emitter configuration, draw a labelled circuit diagram of an arrangement for measuring the collector current as a function of colelctor emiter voltage for at least wo different vlaue sof base current. Draw the shape of the curves obtained. Define the terms outpout resistance

Amylose and cellulose are both straight chains polysaccharides containing only D-glucose units. What is the structural difference between the two ?

Give the cytological term for the following: (i)Transcriptionally active part of chromatin. (ii)Structural and functional units of chromatin. (iii)Chromosome with subterminal centromere.

Explain briefly the following : Hormones differ from enzymes both in structure and function.

Write functions of lysosome. Comment lysosome as suicidal bag.