Melanin pigment is responsible for the hair colour, and research as shown that hydrogen peroxide interferes with its functioning. With aging catalase enzyme production diminishes which regulates the breakdown of hydrogen peroxide. When there is an excess accumulation of hydrogen peroxide in tissues it will cause de-coloration or whitening of hairs.
Most fish do not sink in water because of the presence of swim bladder air bladder air sacs air in spongy bones A. I and II are correct B. II and III are correct C. III and IV are correct D. I, II, III and IV are correct
Pollination is best defined as A. transfer of pollen from anther to stigma B. germination of pollen grains C. growth of pollen tube in ovule D. visiting flowers by insects
Tell me what is ‘R’ in amino acid?
Tell me what are the different structures or shapes of protein?
Most highly intelligent mammals are A. whales B. dolphins C. elephants D. kangaroos
out of proteins, lipids and carbohydrates present in a cell membrane, what is true? A. Lipids are maximum B. Carbohydrates are minimum C. Carbohydrates are maximum D. All three are in equal proportion
Myopia is connected with A. ears B. eyes C. lungs D. None of these
Tell us what are the types of nerves you find in the foot?
For the patient, who have allergic sensitivity, would you recommend NSAID (Non-steroidal Anti-inflammatory) drugs like Nimesulide?
Tell me what is the difference between hyperthyroidism and hypothyroidism?
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