Primary structure, which is simply the sequence of amino acids in a polypeptide molecule.
Answer: Mitochondria and chloroplasts.
Explanation: Mitochondria create energy for both plant cells and animal cells through cellular respiration. Chloroplasts create energy for plant cells through photosynthesis.
Answer:
chemistry is basically the study of matter and their properties. it also it also explains how and why some substances combine or separate to form different substances.
Answer:
C. Constant supplies of freshwater are needed because body water is continually being lost.
