<span>A. A nucleic acid has alternating base pairs. A protein has alternating peptides.</span>
Answer:
A tissue.
Explanation:
A group of similar cells organized to perform a particular function is a <u>tissue</u>.
Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
Answer:
DNA is made up of molecules called nucleotides. Nucleotides are attached together to form two long strands that spiral to create a structure called a double helix. If you think of the double helix structure as a ladder, the phosphate and sugar molecules would be the sides, while the bases would be the rungs.
Explanation:
I hope this helps:)
