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23 Cards in this Set
- Front
- Back
What are cells?
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Cells are the basic unit pf structure and function in living things.
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What is the smallest unit of most compounds.
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a molecule
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The ability to distinguish the individual parts of an object is called?
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resolution.
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What is an inorganic compound
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a compound that does not contain carbon with the exception of carbon dioxide.
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What did Theodor Schwann conclude about animals?
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That all animals are made of cells.
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What are the most important groups of organic compounds found in living things.
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carbohydrates, lipids, proteins, and nucleic acids.
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What is a microscope?
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An instrument that makes small objects look larger.
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What are proteins
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large organic molecules mad up of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
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About how many cells are in one cubic inch?
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1,200,000,000
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What is an element
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any substance that cannot be broken down into simplier substances.
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What did Matthais Schleiden conclude about plants in 1838?
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That all plants are made of cells.
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What makes an organic combound
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carbon
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For a microscope to be useful to a scientist what must it have.
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magnifacation and resolution.
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When two or more chemicals are combined chemically they form
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a compound
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What is this from?
All living things are composed of cells? Cells are the basic unit of structure and funtcion in living things. all cells are produced from other cells. |
The cell theory.
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What is the smallest unit of an element.
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an atom
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who was one of the first people to observe cells.
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Robert Hooke.
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True or false a carbohydrate is an energy rich organic compound made of carbon, hydrogen, and oxygen.
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true
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A light microscope that has more tha one lense is called a?
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compound microscope.
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A lens with a thicker middle than edges is a?
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convex lens.
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In 1855 Rudolf Virchow concluded?
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cells come only from living cells.
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The invention of the microscope made it possible to?
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To discover and learn about cells.
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How does a light microscope magnify things?
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by bending the light that passes through them.
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