Powers Advanced Unit 4 Cell Energy (Higher Level)

Hector performs an experiment to determine the rates of photosynthesis in corn plants and bean plants. The graph shows the results of his experiment. What inference is best supported by the data in the graph?

• A. CO2 concentration is closely related to light intensity.
• B. Plants reach their maximum rate of photosynthesis at a CO2 concentration of about500 ppm.
• C. At a CO2 concentration of 1250 ppm, corn and beans will have the same rate of photosynthesis.
• D. For these plants, rates of photosynthesis at CO2 concentrations of 1250 ppm and 750 ppmare very similar.

Tags

NGSS.HS-LS2-5

Hector performs an experiment to determine the rates of photosynthesis in corn plants and bean plants. The graph shows the results of his experiment. Which conclusion best matches the trends shown on the graph?

• F. Bean plants produce more ATP than corn plants.
• G. Corn plants require more oxygen than bean plants.
• H. Corn plants release more carbon dioxide than bean plants.
• I. Corn plants produce sugars at a faster rate than bean plants.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

The diagram shows the steps of the light-dependent reactions of photosynthesis.

• Light-independent reactions.
• Electron transport
• Sugar production
• Calvin cycle

Tags

NGSS.HS-LS1-5

What is a key difference between carbohydrates and proteins?

• Carbohydrates contain carbon; proteins do not.
• Proteins contain nitrogen; carbohydrates do not
• Carbohydrates are macromolecules; proteins are simple molecules
• Proteins contain covalent bonds; carbohydrates do not.

The diagram show the reactants and products of photosynthesis and cellular respiration. Which of the following is a valid conclusion?

• The water produced by photosynthesis is used in cellular respiration
• The oxygen released by photosynthesis is used in cellular respiration.
• The sugars produced produced by cellular respiration are used in photosynthesis.
• The light energy captured by cellular respiration is used in photosynthesis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Which products of glycolysis are used in other processes of cellular respiration?

• Glucose
• Oxygen
• Carbon Dioxide
• Pyruvic Acid

Cellular respiration is a process in organisms that releases energy by breaking down sugar molecules. The chemical equation for cellular respiration is show below: Using the equation, which best compares cellular respiration are the chemical reactants of photosynthesis.

• The two processes have the same products.
• Both are cellular processes that store energy.
• Photosynthesis releases the energy used in cellular respiration
• The chemical products of cellular respiration are the chemical reactants of photosynthesis.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

What information could be added to make this diagram a more complete model of osmosis in red blood cells?

• Information about the temperatures of the cell and the solution
• The relative concentrations of solute inside and outside the cell.
• Show that the energy is required for the osmosis to occur.
• Show the cell holding its shape as osmosis occurs.