7,344inches ÷ 12 inches= 612ft
(12in/1foot)
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
The answer u r looking for is-Hypothesis. Hope I’ve helped ;)
Answer:
What can be noticed about the ligands and their receptor is that the configuration of both coincide, as a key would with its lock, which demonstrates the specificity of a receptor by its ligand.
Explanation:
A <u>ligand</u> corresponds to a molecule considered a signal or a messenger, while the <u>receptor</u> is a protein on the cell surface, with the capacity to accept a ligand.
Ligands and receptors constitute pairs that complement each other, so that <u>each receptor can bind to a specific ligand</u>, similar to what happens with a key and a lock.
Once the ligand-receptor complex is formed, changes occur inside the cell, which define a certain effect.