Bioenergetics: Photosynthesis & Cellular Respiration

Which statement best describes the role of ATP in a living system?

• ATP senses and adjusts the pH in the cellular environment.

• ATP identifies and repairs weak components of cells and tissues.

• ATP measures and provides heat to increase reaction rates in cells.

• ATP captures and transfers energy released by the breakdown of glucose.

Tags

NGSS.HS-LS1-7

An organism carries out both photosynthesis and cellular respiration. Which statement describes a difference between these two processes?

• Only cellular respiration creates chemical energy.

• The processes occur in different types of animal cells.

• Only photosynthesis changes light energy into chemical energy.

• The processes occur at different times during the animal’s life cycle.

Tags

NGSS.HS-LS1-7

A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation?

• The reaction produced water.

• The reaction consumed water.

• The reaction caused an output of energy.

• The reaction required an input of energy.

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-4

Use the drawing to answer the question. Which statement best describes a direct role of ATP in a paramecium?

• ATP provides the energy to move cilia.

• ATP stores the genetic code for replication.

• ATP signals the presence of other nearby organisms.

• ATP senses changes in the surrounding aquatic environment.

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which process uses the products of photosynthesis as reactants?

• active transport

• cellular respiration

• DNA replication

• protein synthesis

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Which statement best explains why cellular respiration in plants and other organisms is dependent on photosynthesis?

• Photosynthesis is one of the final steps in cellular respiration.

• Photosynthesis provides the materials that fuel cellular respiration.

• Photosynthesis absorbs excess energy produced by cellular respiration.

• Photosynthesis absorbs materials that are catalyzed during cellular respiration.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Use the list to answer the question. A plant cell uses the molecules in the list to synthesize a protein. What role do the ATP molecules play in the protein synthesis process?

• They provide energy.

• They increase activation energy.

• They convert energy into hereditary information.

• They absorb excess energy to prevent overheating.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which two statements correctly describe one similarity and one difference between cellular respiration and photosynthesis?

1. Cellular respiration and photosynthesis both involve water.

2.Cellular respiration uses sugar, and photosynthesis produces sugar.

3. 3. Cellular respiration and photosynthesis both use light to produce energy.

4. 4. Cellular respiration requires light energy, and photosynthesis requires chemical energy.

• statements 1 and 2

• statements 1 and 4

• statements 2 and 3

• statements 3 and 4

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-3

Use the diagram to answer the following question. The diagram shows the movement of ions against a concentration gradient to an area of higher concentration. Which molecule provides the energy needed for this movement to occur in a cell?

• ATP

• mRNA

• protein

• lipid

Use the chart to answer the question.

Four students classified the main energy conversions that occur during photosynthesis and cellular respiration. Which student best classified the energy conversion that occur in the two processes?

• student 1

• student 2

• student 3

• student 4

Tags

NGSS.HS-LS1-7

NGSS.HS-LS1-5