"<span>Chelicerae" is the mouth appendage in which these venom glands of the spider are located. The correct option among all the options that are given in the question is the second option or option "B". The other options given in the question are incorrect. I hope that this answer has come to your help.</span>
Spiders that inject venom into their prey in order to kill it, have the venomous glands located in the chelicerae. The chelicerae are fangs that act as hypodermic needles that inject the venom. All spiders have them but not all of them are used to inject venom.
Explanation: DNA isolated after one generation produced a single band which was a higher and intermediate in density between the heavy and light Nitrogen isotopic DNA used, showing that the first generation was a hybrid DNA. This observation fit with the dispersive and semi-conservative models only. And so at this generation, the conservative model was discarded.
A protein is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds. Proteins are present in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.
