Question

11. What is the general name for HDL, LDL, and VLDL vesicles?

12. How many chains make up a mature IgG molecule?

13. Which lipoprotein contains the least cholesterol?

14. Name a common cell fusion agent.

15. What do you call an activated B cell? a.

Answer 1

11) the general name's for HDL (high density lipoproteins) ,LDL (low density lipoproteins) and VLDL (very low density lipoproteins) vesicles are good cholesterol vesicles bad and bad cholesterol based on their capacity to transport cholesterol to the lever from where they can be eliminated out of the body.

12)two heavy chains and two light chains of aminoacids are present in igG molecules.

13)HDL contains highly densed protein and low cholesterol, it carries cholesterol from blood stream upto the liver and steroid producing tissues.

14) most commonly used cell fusion agent (chemical fusogen) is poly ethylene glycol. It is most toxic as it fuses by dehydrating the cell membranes but it also fuses the internal membranes.

15) activated B cells are called as plasma cells which can produces antibodies.