Which statement best distinguishes plants and animals as they relate to amino acids? Plants can synthesize all twenty amino acids. Humans must eat plants or animals to obtain twenty of these amino acids. Plants can synthesize all twenty amino acids. Humans must eat plants to obtain twelve of these amino acids. Plants can only synthesize ten amino acids. Humans synthesize the other ten amino acids. Plants and humans both synthesize all twenty amino acids. Humans must supplement a few of these by eating plants..
The correct answer is the first option - Plants can synthesize all twenty amino acids. Humans must eat plants or animals to obtain twenty of these amino acids. We cannot just create these amino acids on our own the way plants can - we get them from the food we eat, which includes both animals and plants, not just one of them. This is the main difference between animals and plants when it comes to amino acids.
Plants and bacteria can synthesize all 20 of the amino acids. Humans have to consume plants or animals for these amino acids in order to keep their body balanced. The answer is A.
