1.How are interstitial fluid and lymph similar, and how do they differ? 2.What are the roles of the thymus and the lymph nodes in immunity? 3.Describe the functions of the spleen and tonsils 4. What physical and chemical factors provide protection from disease in the skin and mucous membranes? 5. […]

Q1. Women’s bladders, on average, are smaller than those of men. The distribution of bladder volume in women is approximately N (400, 75) in milliliters. Find the proportion of women’s bladders with a volume between 500 and 600 ml. Q2. The hydrolysis of ATP generates 30.5 kJ of energy per […]

The inner chloroplast membrane is impermeable to large, polar and ionic compounds such as NADH and ATP. However, the membrane has an antiport protein that facilitates the passage of dihydroxyacetonephosphate or 3-phosphoglycerate in exchange for Pi. The system permits the entry of Pi for photophosphorylation and the exit of the […]

Q1. A new food additive was developed whereby fat could not be absorbed by intestines and then into the blood stream. People were supervised at how they might eat a lot of greasy food but not gain weight. Why were there complaints then about night-blindness, bone demineralization, and blood-clotting problems? […]