The antibody molecule consists of _ polypeptide chains.
Correct answer: B. Four
- A. Eight
- B. Four
- C. Six
- D. Two
Explanation
An Antibody molecule is made up of 4 polypeptide chains i.e. two heavy chains and two light chains. (PTB page:326)
This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Specific Defense Mechanism
Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.
Practise Immunity
139 free Immunity MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Specific Defense Mechanism questions
A type of blood cell that produces heparin is _.
Variable amino acid sequences in antibody molecules are found in:
B-cells release antibodies in blood plasma, tissue fluid, and lymph. This kind of immune response is called
_ cells survive for a few days and secrete a huge no. of antibodies in blood, tissue fluids or lymph.
The intermediate protection from infection of snake bite can be obtained by:
_ proteins are produced by WBC in response to _ and provide immunity?