3425213
Description
Quiz by Lisa Polillo, updated more than 1 year ago
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Created by Lisa Polillo
over 9 years ago
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Question 1
Question
An element is...
Answer
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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.
Question 2
Question
What 2 elements make up 99% of the air we breathe?
Answer
Question 3
Question
Compounds that contain carbon are called [blank_start]organic[blank_end] compounds.
Answer
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organic
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inorganic
Question 4
Question
Carbohydrates are
Answer
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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.
Question 5
Question
Proteins are
Answer
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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.
Question 6
Question
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.
Answer
- True
- False
Question 7
Question
Nucleic Acids
Answer
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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.
Question 8
Question
[blank_start]DNA[blank_end] is the genetic material that carries information about an organism and is passed from parent to offspring.
Answer
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DNA
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RNA
Question 9
Question
RNA plays an important role in the production of carbohydrates and is found in the cytoplasm as well as the nucleus.
Answer
- True
- False
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