Answer: The receptor site is the location that a drug binds to, altering the function of a biomolecule.
Explanation:
The drug receptors site, are the sites where the sites where the drug molecules bind. Basically, a low number of receptors exists and the extent to which the molecules occupy their sites differ with the concentration of drug. The receptor site changes the conformation and function of the binding molecule of the drug.
Answer:
The answer is Haploid. Human reproductive cells contain a single set of chromosomes and are known as haploid.
Hope that helped! :)
14C (carbon-14) can be used to date a 20,000 year old skeleton
Probably B would be the right answer