Cellular Processes and Cycles

What do the Laws of Conservation of Mass and Energy state in the context of living systems?

• Mass and energy can be created and destroyed.

• Mass and energy can only be transformed from one form to another.

• Mass can be created, but energy cannot.

• Energy can be destroyed, but mass cannot.

Which process allows plants to capture energy from the Sun and convert it into chemical energy?

• Cellular respiration

• Photosynthesis

• Nitrogen fixation

• Carbon cycling

What is released as byproducts during cellular respiration?

• Oxygen and glucose

• Carbon dioxide and water

• Nitrogen and oxygen

• Water and glucose

Which cycle involves the exchange of carbon dioxide between the atmosphere and living organisms?

• Oxygen cycle

• Nitrogen cycle

• Carbon cycle

• Water cycle

What role do bacteria play in the nitrogen cycle?

• They convert nitrogen into forms usable by plants and animals.

• They absorb carbon dioxide during photosynthesis.

• They release oxygen during cellular respiration.

• They regulate the water cycle.