Answer:
a covalent would be the two that are nonmetals
A covalent bond is the bond formed by the sharing of a pair of electrons by two atoms.
Your answer is D: A bond between two atoms.
Answer:
2
b= they are grouped differently, but all the atoms are still there.
They are both helix it is just that DNA has two and RNA has one
The biological molecules that transport other substances are the proteins.
<h3>What are proteins?</h3>
Proteins are biological macromolecules that contains nitrogen in their molecules and are the building block of a living organism.
The proteins perform the following functions:
- they transport other substances,
- provide structural support,
- cause the movement of muscles, and
- catalyze chemical reactions in living organisms.
Learn more about protein here:
brainly.com/question/10058019
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