Who first observed the plasma membrane?

A. William Seifriz

B. Schwann

C. Palade

D. None of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The two German scientists who proposed the 'cell theory' were
  2. Which of the following diseases are not bacterial?
  3. Kwashiorkar is characterised by
  4. What are the symptoms of retinal deficiency?
  5. Hormones are carried from their place of production by
  6. Valves are present inside
  7. Malaria is transmitted from one person to another by
  8. The equilibrium and co-ordination is looked after by which part of the brain?
  9. The part of the human brain concerned with sight is the
  10. The Green Revolution in India owes much to
  11. The plant cells are surrounded rigidly by
  12. Which of the following organelles is known as the 'power House' of the cell?
  13. Wallace's line is a line
  14. Which of the following plays an important part in photosynthesis?
  15. The best and easy method of control of crop pests is by
  16. Light compensation zone refers to
  17. Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by
  18. Spiders can take only
  19. The condition in which there is abnormal decrease of white blood corpuscles is known as
  20. Which one is a water-soluble vitamin?
  21. Which of the following diseases is not caused by a virus?
  22. When one gene controls two or more different characters simultaneously, the phenomenon is called
  23. Which one of the following is not caused by bacteria?
  24. The grey matter of the brain is so coloured because of the concentration of
  25. The natural defence of our body against foreign germs is formed by
  26. Total number of amino acids in plants is
  27. The hypoglossal nerves are the pairs of the spinal nerves
  28. Ecology of a population is known as
  29. Blood clotting requires vitamin
  30. The artificial kidney is a