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Questions in biology

[Homework Help] What is the primary role of the respiratory system in living organisms?

[Homework Help] What organelle causes a plant to wilt or stand upright?

[Homework Help] How does a cell keep an organism alive and healthy?

[Homework Help] Which are the best examples of types of molecules used for energy storage by organisms? Choose all answers that are correct. A. carbohydrates B. proteins C. nucleic acids D. lipids

[Homework Help] What happens before mitosis occurs? A. The cell undergoes meiosis. B. Cytoplasm from the parent cell becomes two daughter cells. C. The cell grows and makes a copy of its genetic material. D. The cell membrane disintegrates.

[Homework Help] What are the four steps of the Calvin Cycle?

[Homework Help] What organelle is the rigid outer layer of a plant cell?

[Homework Help] What is a continuous flow of electric charges called?

[Homework Help] What are the four major components of biodiversity?

[Homework Help] Why should you never use direct sunlight as a source of light for the microscope?