The prostate gland ,the bulbo-urethral gland and the seminal vesciles are the glands which provide secretions that nourish and protect sperm cells.
The style is the long tube that attaches the stigma to the ovary. Sperm from the pollen will travel down this tube to the ovules. The ovules, or eggs, are stored in the ovary until they are fertilized. Plants can only fertilize eggs of the same species.
The amino acid sequence of a protein which is referred to as its primary structure determines the structure or folding pattern of that protein
