When will natural selection occur? A. When there is no competition B. When a population reaches carrying capacity C. When there are plenty of resources D. When there is no variation in a species

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

2. what process do mrna and trna work together to complete? (3 points)

How can you tell the difference between rough er from smooth er?