Answer:
20
Explanation:
Amino Acids can be arranged in different ways. The books say there are only 20 amino acids.
Answer:
i think it's the double helix
Explanation:
<span>Answer is letter D which is “all eukaryotic cells”. The cellular respiration occur in all eukaryotic cells has a metabolic reaction and processes that happens in the cells of an organism to change it into a biochemical enegergy unlike photosynthesis it only occurs in cells having chloroplast</span>