Biology

1.What are the main thermodynamic characteristics of an anabolic pathway?

2.Why is ATP the most commonly used molecule in the cell for energy?

3.What is the function of coenzymes in redox reactions?

4.Explain how a glucose molecule is broken off the glycogen chain.

5.What functions does the inner mitochondria membrane perform?

6.What is gained from one pyruvate in Krebs cycle?

7.Give a definition of photosynthesis.

8.List the main light-dependent reactions in photosynthesis.

9.What is the most abundantenzyme on Earth? What reaction does it catalyze?

10.Which factors influence the cell membrane potential? List and explain.

11.How is the resting membrane potential established?

12.What changes in neuronal membrane potential are triggered by physiological responses? Explain.

13.Which type of synapse would work better for synchronization of neuronal activity? Why? Explain.

14.What are the mainmechanisms of removingcalcium from the cytoplasm?

Why is this process important?

15.What are the main elements of the cytoskeleton? What are their functions?

16.Explain the stages of microtubule assembly.

17.Where in a moving cell would you find a parallel bundle of actin filaments? Explain.

18.What is the repeating element of a myofibril? Explain.

19.What is the function of the troponin complex?

20.How is the directionof vesicular movement in the cell determined?

21.What functions do cilia perform? Give examples.

22.Will the size of A band change during muscle contraction?Explain.

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