I think it’s the first one
Carboxyl group + amino group + side chain. (https://www.coursehero.com/file/p628ngj/Question-3b-of-10-1-Proteins-560559-Maximum-Attempts-1-Question-Type-Multiple/)
Hope this helps
Answer: Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Explanation:
Flowers, blood, and skin are made of cells. I hope this helps.