Proteins contain ___ different amino acids, whereas DNA
and RNA are composed
of different ___ nucleotides.

Protein contain of 4 different amino acids whereas dna and rna composed of 4 nucleotides.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.