Cellular Respiration & Photosynthesis Quiz
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What type of cells contain chloroplasts?
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Plant cells and some algae
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What is the energy plants use to make their own food?
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Light
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The food making process is called...?
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Photosynthesis
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What are the raw materials (reactants) for photosynthesis?
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CO2 + H2O (+energy)
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What simple sugar is produced?
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Glucose
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What gas is USED? What gas is RELEASED?
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CO2 and O2
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Where are most photosynthetic cells in plants found?
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Leaves
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About how many chloroplasts can be found in photosynthetic cells?
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Thousands
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Where is chlorophyll found in chloroplasts?
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Thylakoids
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In which part of a plant would you expect to find the most chloroplasts and why?
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Leaves, since photosynthesis cells are there
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What do chloroplasts allow?
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They allow plants to harvest energy from sunlight to carry on a process known as photosynthesis
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How many membranes surround a chloroplast?
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2
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The outer membrane is...?
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Smooth
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The INDIVIDUAL SACS formed by the inner membrane are called..... and are arranged in ..... like pancakes.
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Thylakoids and Grana
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What pigment is found inside a thylakoid? What color will it be?
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Chlorophyll and green
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Other pigments that trap sunlight are called.... What color are these pigments?
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Accessory pigments: red, yellow, orange, brown.
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STACKS of thylakoids are called....(plural) or.... (singular)
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Grana and Granum
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Stacks or grana are connected to each other by...
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Lamellae
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What happens to your heart rate when you exercise? Why?
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It increases. To pump more oxygenated blood throughout the body and to get enough O2 in cells to make energy through cellular respiration
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What is the difference between aerobic and anaerobic exercise?
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Aerobic- continuous activity over time (not vigorous and with oxygen) Anaerobic- burst of high speed activity (so fast we can get energy w/ out O2)
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How do we get energy from ATP?
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By breaking the high energy bond between the last two phosphates in ATP energy is released
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What is the primary purpose of cellular respiration?
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to release energy from food molecules
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What is something that describes cellular respiration, a process continuously occurring in the mitochondria of cells?
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The breakdown of organic compounds to obtain energy
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What is needed for cellular respiration to occur?
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Oxygen + energy source (glucose)
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What are waste products in cellular respiration?
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Carbon dioxide, water, and ethanol
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How do we get rid of the waste products in cellular respiration?
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By breathing out
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What other nutrients can be used as a source of energy?
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Glucose, Carbohydrates, Proteins, and Lipids
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What is fermentation?
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Making ATP w/out oxygen
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What product do you get when you break an ATP molecule to get energy?
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ADP
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In which organelle does most cellular respiration take place?
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Mitochondria
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What is an accurate word equation to describe the process of cellular respiration?
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C6 H12 O6 + 6 O2 --> 6 CO2 + 6 H2O + energy
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What is the role of chlorophyll and other pigments during photosynthesis?
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to capture photons and pass along high-energy electrons to the electron transport chain
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What can a maple tree do that a beetle cannot?
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carry out photosynthesis
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Muscle cells require more energy than do most other cells. Which organelles would you expect to find in greater abundance in muscle cells than in most other cells?
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Mitochondria
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The products of photosynthesis are...?
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sugar and oxygen
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If a plant lost its ability to make starch, it would no longer be able to...?
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store extra sugars
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In which process do cells utilize oxygen in the production of energy?
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Aerobic respiration
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The process by which some bacteria produce carbohydrates from surrounding materials in the absence of light is called...?
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Chemosynthesis
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What chemical process may be described as the opposite of respiration?
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Photosynthesis; products of one are the reactants of the other
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Plants give off... and take in...
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Oxygen, Carbon Dioxide
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Animals breathe out... and breathe in...
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Carbon Dioxide, Oxygen
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2 processes that allow cells to release energy from food are
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fermentation and cellular respiration
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What energy transformation occurs in green plants during photosynthesis?
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Light energy is converted into chemical energy
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The process of cellular respiration produces CO2 and energy. What other compound does cellular respiration produce?
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Water
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How does a plant cell differ from an animal cell?
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A plant cell can make its own glucose and an animal cannot
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What type of chemical bond is broken in ATP to release energy for use in cells?
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The bond between 2 phosphate groups
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How does ATP differ from ADP?
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ATP has 3 phosphate groups and ADP only has 2
