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Explain California sea lions, also known as Zalophus Californianus, inhabit the west coast of North America, from the sea of Cortez in the south to the southern end of British Columbia in the north. The population of sea lions on a given island during the year continues to fluctuate, due to […]

PLASTIDS Q200. Term Plastid was first used by- (a)    Haeckal (b)   Schimper (c)     Mayer (d)   Erera Q201. Coloured plastids- (a)    Aleuroplast (b)   Amyloplast (c)    Chromoplast (d)   Chloroplast Q202. Red colour of chillies and red tomatoes is due to the – (a)    Anthocyanin (b)   Anthochor (c)    Lycopene (d)   Carotene Q203. Anthocyanin […]

Name three muscles or, muscle groups used as sites for intramuscular injections. Which is most often used in babies? Tom was advised by his doctor to lose weight and start jogging. He began to jog daily. On the sixth day, he was forced to jump out of the way of […]

2. a. At what rate does glucose enter a cell by passive diffusion alone? Estimate a typical cell as an ideal sphere with a diameter of 20 ?m. Remember that the surface area of a cell is 4?r2. The permeability coefficient (P=KD/x) for glucose is 3×10-8 cm/sec. For normal, steady-state […]