The Monomer Subunit of Immunoglobulin Molecules Has All the Following

question 51

Multiple Choice

The monomer subunit of immunoglobulin molecules has all the following, except

• A)two identical heavy polypeptide chains.
• B)two identical light polypeptide chains.
• C)disulfide bonds between polypeptide chains.
• D)four antigen binding sites.
• E)a variable and constant region on each polypeptide chain.

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Definitions:

Seminal Vesicles

Glands that open into the vas deferens near its junction with the urethra, where they secrete many of the components of semen.

Bulbourethral Glands

Small glands in the male reproductive system that produce a pre-ejaculate fluid to lubricate the urethra for sperm to pass through.

Oogenesis

Formation and development of a secondary oocyte or ovum.

Spermatogenesis

The process of sperm cell development, occurring in the male reproductive organs.