Chapter 5.1 Lesson Review - Cellular Respiration

Living things need energy to carry out their life processes. Animals get this energy from food through a process called ​ (a)   . The first stage, glycolysis, occurs in ​ (b)   conditions or without oxygen. The second stage, called the Citric Acid Cycle (Krebs cycle) and the third stage, electron transport, requires the presence of oxygen, and are therefore ​ (c)  

• respiration
• anaerobic
• aerobic.
• photosynthesis
• fermentation
• digestion

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Sabrina is studying energy from food in her nutrition class. She learns that fats, proteins, and carbohydrates can store different amounts of energy because they have different chemical ​ (a)   and different numbers of energy-storing chemical bonds. Carbohydrates and proteins each release ​ (b)   calories per gram when burned and fat releases about ​ (c)   calfories per gram. The molecule containing the most energy-storing chemical bonds is ​ (d)  

• structures
• 4000
• 9000
• fat.
• compounds
• protein
• carbohydrates

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 generator, because it produces electrical energy from a fuel to run cell processes

• a pump, because it moves molecules from one side of a membrane to another

• a rechargeable battery, because it can store energy and then release it

• an electric motor, because the charge difference spins the ATP, which allows for cellular work
  

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Which BEST describes the process of aerobic cellular respiration?

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

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

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

• a process of energy transfer that converts liquid water into water vapor
  

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Cellular respiration is balanced by photosynthesis; the two processes work together to maintain the cycling of carbon and oxygen among Earth systems. What describes the roles of carbon dioxide and water in these two processes?

• Carbon dioxide and water are the reactants of both processes.

• Carbon dioxide and water are the products of both processes.

• Carbon dioxide is a reactant of photosynthesis; water is a reactant of cellular respiration

• Carbon dioxide and water are the reactants of photosynthesis and the products of cellular respiration.

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The energy a cell needs is supplied by

• ATP
• Electrons
• Water
• Carbon Dioxide

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In eukaryotic cells, most ATP is produced in the

• Mitochondria
• Nucleus
• Cytoplasm
• Rough endoplasmic reticulum

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Glycolysis occurs in the ___________.

• Cytoplasm
• Mitochondrial matrix
• Inner mitochondrial membrane
• Outer mitochondrial membrane

Anaerobic means oxygen is present

• false
• true

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Cellular respiration is defined as

• process that releases energy from food in the presence of oxygen
• process that releases energy from food in presence of carbon dioxide
• process that releases energy from food through chemical reactions
• process that releases energy from food by breaking apart water

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