LIFE SCIENCE CHAPTER 4 FLASHCARDS
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1 LIFE SCIENCE CHAPTER 4 FLASHCARDS During the process of diffusion, A. cell surrounds and absorbs large particles. B. particles move from areas of lower concentration to higher concentration. C. a cell surrounds and gets rid of large particles. D. particles move from areas of higher concentration to lower concentration. Osmosis is important to cells because A. cells are filled with fluids that are made mostly of water. B. cells need to get rid of large particles they don t need. C. cells need to move from place to place. D. cells are usually dry. Cellular respiration is the process by which A. plant cells create glucose. B. cells grow and reproduce. C. cells use oxygen to produce energy from food. D. cells breakdown food without using oxygen. Fermentation in muscle cells produces A. glucose. C. lactic acid. D. bacteria. Photosynthesis allows A. an animal cell to get energy from food. B. a plant to produce food (glucose). C. a cell to produce energy without oxygen. D. a plant leaf to turn green. Cells need to produce new cells in order to A. create new chromosomes. B. obtain energy from sunlight. C. replace cells that have died. D. release energy from food. Organelles and chromosomes are copied during A. the first stage of the eukaryotic cell cycle. B. the second stage of the eukaryotic cell cycle. C. the third stage of the eukaryotic cell cycle. D. cytokinesis. During cytokinesis in plant cells, A. a cell plate forms inside the two new cells. B. the cell loses some of its DNA. C. a cell plate forms, and the cell splits in two. D. the cell wall breaks.
2 What must organisms be able to obtain in order to survive? A. energy and heat B. heat and cold C. DNA and water D. energy and raw materials When particles travel from an area of high concentration to an area of low concentration, it is called A. endocytosis. B. exocytosis. C. active transport. D. diffusion. Diffusion allows materials to A. move in and out of cells. B. get rid of large particles. C. grow larger. D. produce energy. A cell does not need to use energy during A. active transport. B. diffusion. C. exocytosis. When water diffuses into or out of a cell, it is called A. exocytosis. B. endocytosis. C. osmosis. D. flooding. Osmosis is important to cells because A. cells contain fluids that are mostly water. B. cells are filled with fluids that are mostly sugar. C. cells need to be kept cool. D. cells need food. Passive transport occurs when small particles move from A. outside a cell to inside a cell. B. areas of lower concentration to areas of higher concentration. C. areas of higher concentration to areas of lower concentration. D. inside a cell to outside a cell. A cell moving particles with the use of energy is called A. active transport. B. passive transport. C. osmosis. The process by which plants, algae, and some bacteria use carbon dioxide, sunlight, and water to make glucose and oxygen is called A. osmosis. B. photosynthesis. C. fermentation. D. cellular respiration.
3 Why does a plant need to produce glucose? A. in order to turn green B. in order to move C. in order to obtain energy D. in order to get sunlight Cellular respiration allows an organism to get energy from A. sunlight. C. oxygen. D. food. Fermentation occurs when a cell can t get A. oxygen needed for cellular respiration. B. energy. C. sunlight. D. food needed for energy. Food particles move through a cell membrane without using energy in a process called A. osmosis. B. active transport. C. passive transport. When wilted celery is soaked in water, it becomes crisp again due to A. exocytosis. B. vesicle movement. C. active transport. D. osmosis. Which of the following is a product of photosynthesis? A. glucose B. water C. carbon dioxide D. heat energy Which of the following is NOT used to make glucose in photosynthesis? What do all organisms need in order to live? What do all organisms need to get rid of in order to live? A. H 2 O B. CO 2 C. O 2 D. light energy A. sunlight B. energy and raw materials C. exercise D. shelter A. wastes B. energy C. heat D. fat
4 Through what do materials go in and out of an organism s cells? A. mouths B. mitochondria C. pores D. cell membranes How do particles move from areas of higher concentration to areas of lower concentration? A. by transportation B. by active transport C. by diffusion D. by travel How do particles move from areas of lower concentration to areas of higher concentration? A. by transportation B. by active transport C. by diffusion D. by osmosis What helps wilted plants become firm through osmosis? A. sunlight B. energy C. water D. heat Moving materials through a cell membrane by active transport requires the use of A. light. C. energy. Osmosis benefits plant cells by bringing in A. energy. C. sunlight. D. soil. Diffusion is a type of A. passive transport. B. photosynthesis. C. active transport. D. osmosis. When a human feels hungry it is because his or her cells need A. sunlight. C. rest. D. energy. Most complex organisms obtain energy through A. photosynthesis. B. breathing. C. growth. D. cellular respiration.
5 When fermentation occurs in muscle cells, muscle fatigue is caused by the production of A. energy. B. lactic acid. C. glucose. D. yeast. Where is chlorophyll located? A. in chloroplasts B. in cell membranes C. in mitochondria D. in pigments What part of a cell uses cellular respiration to release energy stored in food? A. cell membrane B. mitochondria C. chlorophyll D. water What gas is released during cellular respiration? A. carbon dioxide B. sunlight C. nitrogen D. oxygen Binary fission, the process by which bacteria cells divide, means A. two into three. B. dividing several times. C. splitting into two parts. D. two coming together. Which type of cells contain more DNA? A. prokaryotic cells B. cells with cell walls C. eukaryotic cells D. cells without cell walls In a prokaryotic cell, the chromosome is the main ring of The material that controls all cell activities is called A. glucose. B. DNA. C. chromatids. D. sugar. A. mitochondria. B. H 2 O. C. DNA. D. cytokinesis. Figure A represents A. the process of osmosis. B. the process of diffusion. C. the process of endocytosis. D. the process of exocytosis.
6 Figure B represents A. the process of osmosis. B. the process of exocytosis. C. the process of diffusion. D. the process of endocytosis. In Figure B, the third stage should read A. The cell absorbs water to surround the vesicle. B. The membrane begins to wrap around the particle. C. The cell prepares to dissolve the large particle. D. The cell releases the particles to the outside of the cell. The organism in which this process is taking place is A. a eukaryotic cell, because the cell has a mitochondrion. B. a eukaryotic cell, because the cell produces energy. C. a prokaryotic cell, because the cell releases water and carbon dioxide. D. a prokaryotic cell, because the cell has no cell wall. Use the figure below to answer the following questions Use the figure below to answer the following questions This figure best represents what important cell process? A. photosynthesis B. fermentation C. osmosis D. cellular respiration Look at the figure. What two processes does it show? A. photosynthesis and breathing B. growing and cellular respiration C. breathing and growing D. photosynthesis and cellular respiration Look at the figure. What are released during cellular respiration? A. carbon dioxide, oxygen, and energy B. carbon dioxide, sweat, and energy C. carbon dioxide, glucose, and energy D. carbon dioxide, water, and energy
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