Which is the energy source used to fuel photosynthesis?
Anton thinks that glucose is a reactant of photosynthesis, but his classmate Jamila disagrees. Who is correct, and why?
Li Ming thinks that chlorophyll is a reactant of photosynthesis, but her classmate Julian disagrees. Who is correct, and why?
Which best describes the reactants and products of photosynthesis?
A scientist follows this procedure to test whether plants have been performing photosynthesis.Place Plant X in a dark closet and Plant Y on a sunny windowsill. Wait several days, then remove a leaf from each plant.Boil leaves in alcohol to remove the chlorophyll. Add a chemical indicator that detects sugars. (Dark purple = sugars are present; dark orange = sugars are not present)
Which best explains how photosynthesis is helpful to humans?
Sammy is taking notes to study for a test. He wrote out the steps that involve hydrogen during photosynthesis. The steps are shown, but they are not in the correct order.1 - Water is broken down into oxygen and hydrogen.2 - Glucose is broken down to be used by plants. 3 - Hydrogen combines with carbon dioxide to form glucose.4 - Hydrogen enters the plant as part of water.
Which describes the role of oxygen in photosynthesis?
Which substance is used by plants as a source of food?
Where in an equation for photosynthesis does glucose belong?
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