The photosynthetic process

The number of water molecules consumed by the formation of phosphatidyl serine are

A.	0
B.	1
C.	2	
D.	4

Long-chain fatty acids are oxidized step-wise in one carbon units starting from the

A.	carboxyl end
B.	aliphatic end	
C.	both (a) and (b)
D.	none of these

As a result of the photosynthetic process, which product is formed?

A.	Oxygen
B.	Water
C.	Carbon dioxide
D.	Both (a) and (b)