A.3 Bioenergetics (Life Energy)

Match the description to the correct term in the drop down menu: ADENOSINE TRIPHOSPHATE (ATP)

• A molecule that provides energy for cellular reactions/processes
• A simple sugar; a form of chemical energy that plants create using sunlight
• An organelle found that is the site of cellular respiration (powerhouse)
• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.

Match the description to the correct term in the drop down menu: GLUCOSE

• A simple sugar; a form of chemical energy that plants create using sunlight
• An organelle found that is the site of cellular respiration (powerhouse)
• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• A molecule that provides energy for cellular reactions/processes
• The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.

Match the description to the correct term in the drop down menu: CELLULAR RESPIRATION

• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• A simple sugar; a form of chemical energy that plants create using sunlight
• An organelle found that is the site of cellular respiration (powerhouse)
• A molecule that provides energy for cellular reactions/processes
• The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.

Match the description to the correct term in the drop down menu: MITOCHONDRION

• An organelle found that is the site of cellular respiration (powerhouse)
• A simple sugar; a form of chemical energy that plants create using sunlight
• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• A molecule that provides energy for cellular reactions/processes
• The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.

Match the description to the correct term in the drop down menu: CHLOROPLAST

• An organelle found in plant cells that converts solar energy into glucose during the process of photosynthesis.
• A simple sugar; a form of chemical energy that plants create using sunlight
• An organelle found that is the site of cellular respiration (powerhouse)
• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• A molecule that provides energy for cellular reactions/processes

Match the description to the correct term in the drop down menu: PHOTOSYNTHESIS

• The process that uses water and carbon dioxide to transform solar radiation into chemical energy in the form of carbohydrate molecules.
• A simple sugar; a form of chemical energy that plants create using sunlight
• An organelle found that is the site of cellular respiration (powerhouse)
• The process that uses oxygen to convert chemical energy stored in “food” molecules into usable energy (ATP).
• A molecule that provides energy for cellular reactions/processes

Using a microscope, a student observes a small, green organelle in a plant cell. Which energy transformation most likely occurs first within the observed organelle?

• ATP to light
• light to chemical
• heat to electrical
• chemical to chemical

Students often know that the mitochondrion is the "powerhouse of the cell." Which energy transformation most likely occurs in this organelle?

• ATP to light
• light to chemical
• heat to electrical
• chemical to chemical

Photosynthesis and cellular respiration are two major processes of carbon cycling in living organisms. Which statement correctly describes one similarity between photosynthesis and cellular respiration?

• Both occur in animal and plant cells.
• Both include reactions that transform energy.
• Both convert light energy into chemical energy.
• Both synthesize organic molecules as end products

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.