Science 7 G Couch
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- 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?
- resolution.
- 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?
- 1,200,000,000
- 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
- carbon
- 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.
- true
- 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.