Which is a true statement about respiration. It burns sugar taken up by the root

Question

Which is a true statement about respiration. It burns sugar taken up by the roots to make energy It burns CO_2 from the air to make energy It burns sugar from photosynthesis or consumed in the diet to make heat It burns sugar made by photosynthesis or consumed in the diet to make energy (ATP) Which is a true statement about respiration. only animal cells respire and plant cells photosynthesize plant cells and animal cells respire all the time using stored carbohydrate because respiration is essential for making energy and many other essential biomolecules plant cells respire only during the night when photosynthesis shuts down plant cells respire only when photosynthesis is occurring because this is the only time when sugar is available In the 2012 heat wave in Lincoln, crabgrass became the dominant species in a lawn while the turfgrass became dormant or died back. Based on this result: Turfgrass is a C_3 plant and crabgrass is a C_4 plant Turfgrass is a C_4 plant and crabgrass is a C_3 plant Both the turfgrass and crabgrass are C_3 plants Both the turfgrass and crabgrass are C_4 plants

Explanation / Answer

19. Option 4

20. Option 3

21. Option 1

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