Honors Bio Unit Test: Unit 3

Where in the cell was the ATP produced? in mitochondria in chloroplasts in cytoplasm in water

Which statement correctly describes the process that occurs in the thylakoid? ATP is produced in the thylakoid during light-independent reactions. ATP is produced in the thylakoid during light-dependent reactions. ADP and glucose are produced in the thylakoid during light-independent reactions. ADP and glucose is produced in the thylakoid during light-dependent reactions.

Can green plants and humans use the same process to create ATP? No; green plants can use only photosynthesis, and humans use only cellular respiration. No; green plants can use only the Krebs cycle, and humans can use only the Calvin cycle. Yes; green plants and humans can both use photosynthesis to create ATP. Yes; green plants and humans can both use cellular respiration to create ATP.

Which statement is true for both plants and animals? Plants and animals both use sunlight to generate ATP for energy. Plants and animals both form ADP in the Calvin cycle. Plants and animals both need to consume sugar to store energy. Plants and animals both break a phosphate bond of ATP to release energy.

Energy is released from ATP when... every phosphate bond is broken. the last phosphate bond is broken. all three phosphate bonds are formed. the last phosphate bond is formed.

How is sunlight used in photosynthesis? Sunlight controls the amount of water in plant cells. Sunlight is a nutrient for plants. Sunlight is converted to chemical energy. Sunlight breaks cell walls to allow energy in and out.

In organisms other than plants, when and where is the most ATP produced? in thylakoids, during photosynthesis in nuclei, during cellular respiration in chloroplasts, during photosynthesis In organisms other than plants, when and where is the most ATP produce .

Photosynthetic algae create sugars that will eventually be broken down during which process? glycolysis, during respiration the Calvin cycle, during photosynthesis electron transport chain, during respiration the Krebs cycle, during photosynthesis

Which product of cellular respiration is used by the human body for energy? oxygen ATP sunlight CO2

Which source of energy is normally used for short bursts of activity? lipids protein glycogen lactic acid

If a person did not eat for several days, which sequence of events would occur? Glycogen stores would be depleted first, then structural proteins, and then stored lipids. Lipid stores would be depleted first, then stored glycogen, and then structural proteins. Proteins stores would be depleted first, then stored lipids, and then stored glycogen. Glycogen stores would be depleted first, then stored lipids, and then structural proteins.

After exercising, Theo is aware that anaerobic respiration occurred in his body because his muscles ache. Which substance caused his muscles to feel sore? lactic acid glucose carbon dioxide glycogen

Eugene is running and needs more energy. He drinks a sports drink with sugar, but that sugar needs to be converted to another form of chemical energy for his leg muscles to be able to use it. The process that will convert the sugar to energy that his cells can use is cellular ___________________________ .

This diagram shows a cutaway view of a mitochondrion. Which process takes place in the mitochondrion? photosynthesis anaerobic respiration ATP production synthesis of glucose

How often does the body perform cellular respiration? once in the morning and once at night only at night continuously only when the body runs out of ATP

Organisms use different processes to obtain the energy that they need to perform cellular functions. Which is used as an energy source by polar bears and orange trees? sunlight glucose glycogen starch

If a person were fasting and hadn't eaten for several days in a row, which source of energy would the body use as a last resort? lipids protein glycogen lactic acid

Which process occurs in all living organisms at all times? cellular respiration aerobic respiration anaerobic respiration photosynthesis

Which source of energy is ideal for prolonged, low-intensity activity? lipids protein glycogen lactic acid

Which product of cellular respiration is used by the human body for energy? oxygen ATP sunlight CO2

How often does the body perform cellular respiration? once in the morning and once at night only at night continuously only when the body runs out of ATP

If a person were fasting and hadn't eaten for several days in a row, which source of energy would the body use as a last resort? lipids protein glycogen lactic acid

Which conversion is controlled by insulin? glucose to ATP glucose to glycogen glycogen to glucose glycogen to lactic acid

Jasmine and Marcus are at the park, and Jasmine makes the following statements. Which of them is an inference? The leaves are green. The flowers are breathtaking. The plant is producing oxygen. The bush has thorns.

Which is the correct chemical equation for photosynthesis? 6CO2 + 6H2O ® C6H12O6 + 6O2 C6H12O6 + 6O2 ® 6CO2 + 6H2O 3CO2 + 3H2O + 3O2® C6H12O6 6O2 + 6H2O ® C6H12O6 + 6CO2

During the light-dependent reaction of photosynthesis, light energy is converted into which form of energy? chemical mechanical thermal electrical

Through which conversion is energy released? ADP to ATP ATP to ADP NADP+ to NADPH CO2 and H2O to C6H12O6 and O2

What is the source of energy that drives photosynthesis? sunlight hydrogen ions electrons oxygen

How is ADP converted to ATP? by the addition of one adenosine molecule by the addition of one phosphate group by the removal of one adenosine molecule by the removal of one phosphate group

Which term describes stacks of thylakoids? chloroplasts grana stroma ferredoxins

The diagram summarizes the light-dependent reactions of photosynthesis. What is the input of the light-dependent reactions, labeled X? CO2, H2O, O2, and light CO2, H2O, and light CO2 and H2O H2O and light

Which best lists the end products of the light-dependent reactions of photosynthesis? ATP and NADPH CO2 and H2O ATP, NADPH, and O2 C6H12O6 and O2

The United States Mint began minting and issuing American Indian $1 coins in 2009. Consider the 2011 American Indian $1 coin below. Which is an accurate observation? The coin shows that passing the peace pipe was an important tradition in 1621. The coin was minted in the year 1621. There is a woman's face on one side of the coin. The coin shows that American Indians influenced US history.

Which series lists the structural components of the light-dependent reactions in order, from smallest to largest? chlorophyll ® thylakoid ® stroma ® chloroplast chloroplast ® thylakoid ® stroma ® chlorophyll chlorophyll ® thylakoid ® grana ® chloroplast chloroplast ® thylakoid ® grana ® chlorophyll

Consider the following events of photosynthesis. 1. Light energy excites electrons. 2. Water molecules are split. 3. NADPH is formed. In which locations do each of these events occur? 1. photosystem II 2. photosystem I 3. photosystem I 1. photosystem II 2. photosystem II 3. photosystem I 1. photosystem I 2. photosystem I 3. photosystem II 1. photosystem I 2. photosystem II 3. photosystem II

What is the source of the carbon dioxide that is used in photosynthesis? sunlight the soil the atmosphere the plant

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis? ATP and NADPH are produced in both reactions. ATP and NADPH are used in both reactions. ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions. ATP and NADPH are produced in the light-independent reactions and used in the light-dependent reactions.

Which process occurs during the light-dependent reactions in photosynthesis? Water molecules are split. Carbon fixation occurs. 3-PGA is reduced. RuBP is regenerated.

Which is required for the light-dependent reactions in photosynthesis to occur? H2O ATP NADPH CO2

What is required for both the light-dependent and light-independent reactions to proceed? energy CO2 water ATP and NADPH

In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen. 6CO2 + 6H2O ® C6H12O6 + 6O2 Which component could be added to complete this chemical equation? light energy ATP and NADPH chemical energy rubisco

What is one role of ATP in the light-independent reaction of photosynthesis? ATP supplies the energy to produce glucose and other carbohydrates. ATP is produced when water molecules are split and chlorophyll electrons are excited. ATP supplies the energy to split water molecules. ATP produces CO2 and O2 molecules.

In which type of environment are plants most likely to use a C4 pathway of carbon fixation? cold and wet cold and dry hot and wet hot and dry

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis? ATP 3-PGA RuBP NADPH

Which compound is produced during regeneration? 3-PGA G3P RuBP rubisco

Which is the best hypothesis for the scientific question "How does light intensity affect the rate of photosynthesis?" Light intensity, CO2 concentration, and temperature are factors that determine the rate of photosynthesis. Light intensity has no effect on the rate of photosynthesis. If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease. Light intensity has an impact on the rate of photosynthesis.

Which is required for the light-independent reactions in photosynthesis to occur? water sunlight oxygen carbon dioxide

Which is required for both anaerobic respiration and aerobic respiration? oxygen water mitochondria glucose

Which statement describes the reaction for cellular respiration? The equation is carbon dioxide + water ® glucose + oxygen + water and energy is required in the form of light The equation is glucose + oxygen ® carbon dioxide + water and energy is produced in the form of ATP. The equation is carbon dioxide + water ® glucose + oxygen + water and energy is produced in the form of ATP. The equation is glucose + oxygen ® carbon dioxide + water and energy is required in the form of light.

Which is a commercial use for lactic acid fermentation? brewing beer baking making wine making cheese

What is the main difference between aerobic respiration and anaerobic respiration? Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not. Aerobic respiration occurs during photosynthesis, but anaerobic respiration occurs during cellular respiration. Aerobic respiration produces ATP, but anaerobic respiration does not. Aerobic respiration occurs only in living organisms, but anaerobic respiration occurs in nonliving organisms.

What role does cellular respiration play in the water cycle? It removes H2O from the atmosphere during glycolysis. It removes H2O from the atmosphere during acetyl CoA formation. It releases H2O to the atmosphere during the citric acid cycle. It releases H2O to the atmosphere during electron transport.

Which statement about cellular respiration is true? It produces oxygen. It requires water. It is used by every living cell. It converts energy to food.

How many ATP are generated in the electron transport chain? 2 4 32 36

What do aerobic respiration and anaerobic respiration have in common? Both begin with glycolysis. Both occur in mitochondria. Both require oxygen to proceed. Both end with the electron transport chain.

The diagram shows the inside of a eukaryotic cell. mc003-1.jpg Which process occurs in the structures that are labeled X? lactic acid fermentation alcohol fermentation glycolysis Krebs cycle

What is the main difference between aerobic respiration and anaerobic respiration? Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not. Aerobic respiration occurs during photosynthesis, but anaerobic respiration occurs during cellular respiration. Aerobic respiration produces ATP, but anaerobic respiration does not. Aerobic respiration occurs only in living organisms, but anaerobic respiration occurs in nonliving organisms.

During which process is water produced? alcohol fermentation acetyl CoA formation electron transport chain citric acid cycle

During glycolysis, glucose is broken down into two molecules of pyruvate. mc028-1.jpg What is the main transformation that occurs during glycolysis? Glycolysis produces ATP by oxidizing water. Glycolysis produces ATP and pyruvate by oxidizing glucose and NAD+. Glycolysis produces pyruvate, ATP, and NADH by oxidizing glucose. Glycolysis produces CO2, ATP, and pyruvate by reducing glucose.

Which statement is true for photosynthesis? Producers use it. Consumers use it. Scavengers use it. Decomposers use it.

Hon placed aquatic plants in several test tubes that were filled with water. Then, he placed half of the test tubes in a dark closet and the other half in a well-lit room. When he recorded his data, some of the plants had formed many small bubbles on the leaves, and some did not. Which describes what Hon most likely observed and the reason for these results? The plants in the dark formed bubbles because they released hydrogen gas. The plants in the dark formed bubbles because they released water vapor. The plants in the light formed bubbles because they released carbon dioxide gas. The plants in the light formed bubbles because they released oxygen gas.

How would the second row of values in the plant experiment most likely compare to the second row of values in the original experiment? Oxygen levels would be higher, but carbon dioxide levels would be lower. Carbon dioxide levels would be higher, but oxygen levels would be lower. Oxygen levels would be higher, but carbon dioxide levels would be the same. Carbon dioxide levels would be higher, but oxygen levels would be the same.

The chemical equation below summarizes cellular respiration. 6O2 + C6H12O6 à 6CO2 + 6H2O + energy The energy that is released by cellular respiration is in the form of dark energy. solar energy. nuclear energy. chemical energy.

Which statement is true for both photosynthesis and cellular respiration? It occurs in consumers. It occurs in producers. It produces carbon dioxide. It produces oxygen.

Which best describes the nature of cellular respiration? It is an energy-seeking process. It is an energy-gathering process. It is an energy-releasing process. It is an energy-destroying process.

Which explains how the Calvin cycle and the Krebs cycle differ? The Calvin cycle uses ATP to make glucose. The Krebs cycle uses ADP to make glucose. Only the Calvin cycle occurs in plant cells. The Krebs cycle only repeats in animal cells.

Which molecule is best described as energy rich because of the amount of energy that can be stored in it and released from it? CO2 ADP H2O C6H12O6

Energy is converted from solar to chemical in Process A and then from one form of chemical to another in Process B. Process A is best described as ______________ .

An important similarity between photosynthesis and cellular respiration is that both processes use and store O2. use and make ATP. store energy in glucose. release energy from glucose.