Biology wrong questions

• Describe how scientists make monoclonal antibodies using mouse lymphocyte and tumour cell

  after mouse lymphocyte and tumour cell fuse one identical hybridoma cell created. Specific hybridoma cell divides to produce cells that make same antibody. Scientists cleanse and purify monoclonal antibodies and collect them
• What happens to the break down of starch when it reaches the stomach?

  break down stops because stomach produces hydrochloric acid that has low pH. Amylase denatures at low pH
• Why does the concentration of CO2 not increase?

  pondweed takes in CO2 for photosynthesis snail and pondweed are respiring producing CO2
• Why did the death of the snail cause the carbon dioxide to increase?

  snail is being broken down by decomposers in pond water, therefore respiration of decomposers releases CO2
• If a tumour is blocking the tube leading from the gall bladder to small intestine why can't person digest fat?

  less bile released into small intestine, less bile to turn fat into droplets fats have small surface area to volume ratio and are insoluble. pH of small intestine not neutralised so lipase not at optimum pH to break down fats