A specific protein called a receptor
Answer:
Background Information: A cladogram is a diagram that shows evolutionary relationships among groups. It is based on phylogeny, which is the study of evolutionary relationships. ... Each letter on the diagram points to a derived character, or something different (or newer) than what was seen in previous groups.
Ionic bonding?
the bonding between non-metals and metals
non-metals form negative ions, so they are attracted to metals, which form postive ions
Answer: There is a teacup orbiting the Milky Way galaxy.
Explanation: Hello!
To find the correct answer, you need to find a hypothesis that cannot be proven wrong. All but one can indeed be proven wrong. The correct answer is there is a teacup orbiting the Milky Way galaxy because there is no way anyone can tell if there is a teacup orbiting the Milky Way galaxy or not. We know that it can be proven wrong because there is no life on Mars, the human species started in Africa and that humans cannot live without a certain amino acid. The only thing that really can’t be proven wrong is the one about a teacup.
Answer:
carbon
Explanation:
carbon is NOT a macromolecule.