With the help of a flow diagram explain the function of female hormones in humans. How is it regulated?

Indicate whether the following statements are true (T) or false (F):

a) Vitamins are inorganic compounds.

b) TPP participates in the carboxylation reactions.

c) Thiazole ring is present in the niacin vitamin

What is activation energy?

Match the following:

    Column A                        Column B

a) Proteins                            i) lipid peroxidation

b) Lipids                                ii) thymine dimmers 

c) Nucleic acids                       iii) oxo acids

Write a note on amino acid biosynthesis.

Write down the steps that take place when an action potential arrives in a presynaptic axon terminal and the generation of another action potential in the post synaptic neuron.

 Write the function of following in male reproductive system.

a) Seminiferous tubules

b) Leyding cells

c) Epidydmis

d) Androgen