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Beschreibung
Quiz von Lisa Polillo, aktualisiert more than 1 year ago
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Erstellt von Lisa Polillo
vor etwa 9 Jahre
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Frage 1
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An element is...
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any substance that cannot be broken down into simpler substances.
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made up of only one kind of atom.
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a really good source of protein.
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listed by atomic symbol, element name and atomic number in the Periodic Table of Elements.
Frage 2
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What 2 elements make up 99% of the air we breathe?
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Frage 3
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Compounds that contain carbon are called [blank_start]organic[blank_end] compounds.
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organic
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inorganic
Frage 4
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Carbohydrates are
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made of carbon, hydrogen and oxygen.
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energy-rich organic compounds.
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found in cell walls and cell membranes.
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sugars and starches.
Frage 5
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Proteins are
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made of carbon, hydrogen, oxygen, nitrogen and sometimes sulfur.
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made up of smaller molecules called amino acids.
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meat, fish, eggs, and nuts.
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oils, fats and waxes.
Frage 6
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The proteins known as enzymes perform important functions in the chemical reactions that take place in cells. Enzymes speed up chemical reactions in living things.
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- True
- False
Frage 7
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Nucleic Acids
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are made of carbon, oxygen, hydrogen, nitrogen and phosphorus.
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contain the instructions that cells need to carry out all the functions of life.
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are found in the nucleus of a cell.
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taste bitter.
Frage 8
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[blank_start]DNA[blank_end] is the genetic material that carries information about an organism and is passed from parent to offspring.
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DNA
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RNA
Frage 9
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RNA plays an important role in the production of carbohydrates and is found in the cytoplasm as well as the nucleus.
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- True
- False
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