Cellular Respiration Overview

Which one of the following describes the process of aerobic cellular respiration?

• A process of energy conversion that captures light energy and transforms it into chemical energy.

• A process of energy transfer that converts water into water vapor.

• A process of energy conversion that releases energy from food in the presence of oxygen, forming new compounds.

• A process that uses nitrogen molecules from the air to make nitrogenous compounds in living things.

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The first stage, glycolysis, occurs in ______________________ conditions, or without oxygen.

• aerobic

• anaerobic

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In cellular respiration, energy is trapped in the form of ATP, which is used for cellular work, and acts as a “currency” for energy transfers within a cell. Which everyday item functions in a way similar to ATP?

• An electric motor because it produces electrical energy from a fuel source

• A rechargeable battery because it can store energy and then release it.

• An electric motor because the charge difference spins the ATP, which allows it to do cellular work.

• A pump, because it moves molecules from onside of a membrane to another.

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What terms would go in box C?

• Oxygen and glucose

• Carbon dioxide and water

• Cellular respiration

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What terms would go in box F

• Water and oxygen

• Cellular respiration

• carbon dioxide and water

• Photosynthesis

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Which statement BEST compares aerobic and anaerobic respiration?

• Less ATP is generated during anaerobic respiration than during aerobic respiration

• more water is generated during anaerobic respiration than during aerobic respiration

• more oxygen is generated during anaerobic respiration than during aerobic respiration

• less lactic acid is generated during anaeobic respiration than during aerobic respiration

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Which of the following is the correct equation for CELLULAR RESPIRATION?

• Sugar + O₂ --> CO₂ + H₂O + ATP

• ATP + O₂ --> CO₂ + H₂O + sugar

• Sugar + CO₂ --> O₂ + H₂O + ATP

• Sugar + H₂O + O₂ --> CO₂ + O₂ + ATP

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The process that occurs when the chemical energy of "food" molecules, carbohydrates, fats, and proteins, is released and partially captured in the form of adenosine triphosphate (ATP).

• photosynthesis

• diffusion

• osmosisi

• cellular respiration

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The process by which sugar is converted into energy (ATP) by living organisms is called

• photosynthesis

• cellular respiration

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Which of the following is the correct sequence of events in aerobic respiration?

• Krebs cycle → electron transport → glycolysis

• glycolysis → fermentation → Krebs cycle

• Krebs cycle → glycolysis → electron transport

• glycolysis → Krebs cycle → electron transport