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23 Cards in this Set

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