Thylakoids are membrane-bounded structures that contain chlorophyll.
Space is filled with nothing.
Space is the absence of matter.
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the answer is d. break down matter from dead plants and animals
Answer:
Peptide bonds and Amino Acids
Explanation:
Primary structure. The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the process of protein biosynthesis.
