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.
Answer: B. The smallest part of an atom
Explanation:
Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
Answer:
well childhood disease is diseases that happens in childhood like chickenpox and etc
I hope it helps
one species using another as a food source, typically killing it
Answer:
Goldman is a psychotherapist who follows the psychodynamic perspective. When treating a patient for a fear of spiders, Dr. Goldman <u>first has to assists the patient in identifying the unconscious roots of the fear.</u>
Explanation:
The first thing that Dr. Goldman has to do as a psychotherapist to help a patient with a fear of spiders is work with the person to try to find the reason why the patient is scare of spiders and what has provoked this fear. The cause is something that is repressed and operating on a subconscious level, if not, it would be hard for the person to deal with this fear and the cause in an everyday basis, with the help from the therapist the patient can work on this subconscious things and tolerate them.
