Other Biology Answers

1.what is mean by reflex arc?

2.what components are involved in reflex arc?

3.Write the path way of reflex arc?

4.what is mean by knee jerk reflex?

5.The existence of the knee jerk was first noted in which year?

14. Which of the following is not involved in specific immunity?
1. Neutrophil.
2. T-cell.
3. Complement.
4. B-cell

16. The chronic inflammation of a delayed hypersensitivity reaction is mediated by .
1. Lymphokines
2. Histamine
3. Bradykinin
4. Complement

9. What characteristics does not distinguish septic shock from hypovolemic and cardiogenic
shock?
1. Septic shock patients will present with cool skin due to vasoconstriction.
2. Patients with septic shock will have a bluish colour to their skin.
3. Vasodilation will lead to warm flushed skin in septic shock patients.
4. Septic shock patients present with pulsus paradoxus.

6. Which of the following is not associated with disordered cell growth?
1. Hyperplasia.
2. Adenocarcinoma.
3. Telomerase.
4. Atrophy

4. Which of the following cell types cannot be eliminated through apoptosis?Cell infected with viruses.
Cell with DNA damage.
Cancer cells.
Immune cells.

why are phospholipids amphipathic

basic structure of a phospholipid

Explain the dynamic instability of microfilaments and microtubules.