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Jay

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During protein digestion, proteins are broken down into smaller molecules called peptides and then into individual amino acids. Amino acids are the basic building blocks of proteins. In cells, the process of protein synt...
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Where does an eagle get the energy it needs to grow and to fly? A. from the animals it eats B. from the air it flies in C. from the water it fishes in D. from the trees it nests in
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Lions, giraffes, elephants and other animals gain their energy A. by absorbing the light from the Sun. B. by producing it as they move. C. from the food that they eat. D. from resting and sleeping.
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When organisms eat, the food is broken down and used to I. supply energy for growth and repair. II. supply the building blocks for growth and repair. III. supply the energy for reproduction. A. I and III only B. I only C...
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As a plant grows, its mass increases. The matter that makes up this new mass comes mostly from air and water that the plant changes into compounds such as cellulose using the energy from sunlight. As an animal grows, its...
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Sugars are carbohydrates. The image below is a model of a sugar called glucose. glucose molecule Glucose can be found in foods like honey. What happens to glucose in the body? A. It goes through chemical reactions with c...
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An oak tree gets nourishment from the Sun and produces acorns. Squirrels eat the acorns for food. What happens to the molecules in the food consumed by the squirrel? A. The molecules get converted to energy only. B. The...
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A hawk swoops down and catches a squirrel as prey. The squirrel provides energy for the hawk. What happens to the rest of the food molecules? A. The molecules get converted to metals. B. The molecules get converted to ot...
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Glucose is a type of sugar molecule made of carbon, hydrogen, and oxygen. In the body, glucose combines with oxygen to form palmitic acid, water, and carbon dioxide. Palmitic acid is a fatty acid found in both plants and...
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Kyle is making an arrow diagram to model how organisms use food. Each arrow represents a series of chemical reactions. An%20arrow%20points%20from%20food%20to%20glucose%2C%20and%20a%20second%20arrow%20points%20from%20food...
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Before the cells in a person's body can use the food that the person eats, the food must be A. physically heated to 100°C. B. physically changed into a solid. C. chemically changed into heat. D. chemically broken down in...
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Sugar molecules can be oxidized in the cells of animals. This oxidation releases energy for the animal to use. From what source do the cells get these molecules? A. air B. sunlight C. food D. water
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Many types of animals have internal skeletons. A large part of these animals' masses is located in their bones. As an animal grows, its skeleton grows. A growing animal must increase the size of its bones. To do this, th...
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A rabbit eats a carrot for food. What happens to the molecules of the food? A. The molecules get converted to energy only. B. The molecules get completely eliminated by the rabbit as waste. C. The molecules get converted...
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Plants and animals need energy in order to live. Which of the following statements about the conversion of food energy into other forms of energy is true? A. Plant and animal cells require oxygen to properly break down f...
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How do animals get energy from food? A. Molecules from the food react with oxygen and release energy. B. Electrical impulses in the body are used to change food into energy. C. Sound vibrations in the body are used to ch...
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Frogs require energy in order to go through the different metamorphic stages found in the diagram below. Image courtesy of Wikimedia Commons Where do frogs get the energy required to go through metamorphosis? A. from the...
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Jana is developing a model of the use of food in the human body. She wants the model to explain the roles of dietary proteins, carbohydrates, and fats. Which statement about one of these nutrients would be most useful fo...
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High amounts of protein are found in foods like meat, dairy products, and nuts. A model of a protein molecule is shown below. protein molecule What will happen to this molecule before it is used by the body for energy? A...
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Select the best answer from each drop-down menu. After an organism ingests food, the food moves through a series of by which it is broken down and rearranged to form new molecules that support growth or
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A plant produces its own food through the process of photosynthesis. Which of the following materials do plants need in order to perform photosynthesis? A. phosphorus and oxygen B. lipids and oxygen C. water and carbon d...
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Which of the following are produced by the process of cellular respiration? A. light energy and water B. sugar and carbon dioxide C. carbon dioxide and oxygen D. carbon dioxide and water
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When a plant generates food through photosynthesis, this food A. can cause the plant to gain excess layers of fat. B. can be used immediately or stored for later use. C. is always used as soon as it is converted into a f...
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The use of nitrate or sulfate to produce cellular energy is an example of _______. A. aerobic respiration B. anaerobic respiration C. photosynthesis D. metamorphosis
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The process of plant respiration A. produces food that plants need for photosynthesis. B. releases energy that plants can use for life processes. C. uses all the energy released during photosynthesis. D. releases oxygen...
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