Dr. Zahoor 1. Lecture 1: Homeostasis Lecture 4: Inter Cellular Communication & Signal Transduction 2.

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Presentation transcript:

Dr. Zahoor 1

Lecture 1: Homeostasis Lecture 4: Inter Cellular Communication & Signal Transduction 2

Q.1 What is Physiology? Q2. What is Homeostasis? Q3. What are Cell Functions? 3

Q4. Name 4 types of tissues. Q5. What is function of Cardiac Muscle? Q6. What is difference between central and peripheral neurons system? 4

Q7.What is difference between Endocrine and Exocrine gland? Q8. What is internal environment of cell? Q9. What is extra-cellular fluid? 5

Q10. For Homeostasis, what factors should be maintained constant? Q11. What is function of Immune System? Q12. What are two control/regularity systems of body? 6

Q13. What is negative feedback mechanism? Give one example. Q14. What is positive feedback mechanism? Give one example. 7

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Q1. How cells communicate with each other A. Direct Communication (give 2 methods) B. Indirect Communication (give 4 methods) Q2. Define paracrine way of communication and draw diagram to show. Q3. What is the way of communication between nerve and muscle? 9

Q4. What is the hormone? How hormone act on the target cell? Q5. What is Neuro Hormone? Q6. Define Signal Transduction. Q7. How signal transduction occurs? 10

Q8. Name two important second messengers activated by G-protien. Q9. In what way drugs are acting on the cell membrane? Q10. Name the protein which is activated by second messenger Ca 2+ inside the cell. 11

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Q1. What is composition of Cell membrane? Q2. What is Diffusion? Is it Passive or Active process? Q3. What factors affect the Diffusion? Q4. What is facilitated Diffusion? Is it Active or Passive Process? 13

Q5. What is difference between Diffusion and Facilitated Diffusion? Q6. Name the Passive processes of transport across the cell membrane. Q7. Give the characteristics of Primary Active Transport. Q8. What is Secondary Active Transport? 14

Q9. What is chemical gradient? Q10. What is electrical gradient? Q11. What is Electro chemical gradient? Q12. What is Osmosis? 15

Q13.Define Isotonic Solution Hypotonic Solution Hypertonic Solution Q14. If you put RBC (red blood cell) in hypotonic solution, what will happen to RBC? Q15. If you put RBC in hypertonic solution, what will happen to RBC? 16

Q16. What is Osmolarity of Plasma? Q17. What is Vesicular Transport [Endocytosis, Exocytosis] ? Q18. Does vesicular transport require carrier? Q19. Is Vesicular transport active or passive process? 17

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