What percentage of rainfall does a desert receive compared to the total amount of rainfall in a rainforest? 10% 20% 30% 75%

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What type of specimens where you able to see under each of the microscopes in the microscope activity