grade 6 biology

According to this theory, the accumulation of cross linked proteins damages cells and tissues and slows down bodily processes resulting in ageing. In a process called non-enzymatic glycosylation, glucose molecules attach themselves to proteins resulting in a chain of chemical reactions. This causes..

Our people are not aware of the importance of wild life, of the possible consequences of the destruction of wild life and of the methods to protect wild lif..

1. It is associated with calcium in the hardening of bones and teeth kidney 2. It helps in maintaining constant composition of the body fluids 5. Iron 25mg(boys) 35mg(girls) Liver, kidney, egg, yolk, whole meal, bread, bajra, ragi, apple, banana, and other gre..

PSI PSII Is located on the outer surface of non appressed parts of grana thylakoids & tret channels. Is located on the inner surface of appressed parts of grana thylakoids. Comprises of about 200 - 400 chlorophylls, 50 carotenoids, one molecules of P 700 Comprises of about..

Nature and Scope of Biology..

Nature and Scope of Biology..

Discontinuous variations are large and prominent. They are due to mutations. For example, six digits in man, tailless kitten, hornless calf, et..

i) Vaccination - DPT (Diphtheria, Pertussis and Tetanus) vaccination is given to infants within six months of birth. ii) Isolation of infected babi..

i) Vaccination - DPT (Diphtheria, Pertussis and Tetanus) vaccination is given to infants within six months of birth to prevent diphtheria. It is also called triple antigen. ii) Isolation of infected babi..