Section 7-1 Life Is Cellular Flashcards
What was the name of the chambers that Hooke called monastery tiny rooms.
They were cells
What are the type of telescopes?
Transmission telescope
Scanning telescope
What is the thin flexible barrier that cells are surrounded by?
Cell Membrane
Eukaryotes
An organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus
What is a large membrane enclosed with structure that contains genetic material in the form of DNA and controls many cells activities?
Nucleus
What is a microscope single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles
Prokaryote
Englishman Robert Hooke
He used an early compound microscope,cork seemed to be made of thousands of tiny empty chambers
Who made observations by scientists that made it clear that cells are the basic units of life.
Van Leeuwenhoek
Who concluded that all plants are made of cells.
Matthias Schleiden
Theodore Schwann
He stated that all animals are made of cells.
Rudolf Virchow
Concluded that all new cells can be produced only from the division of existing cells,conforming a suggestion made by German Lorenz Oken 50 years earlier.
What are the cell theory states?
All living things are made up of cells.
Cells are the basic units of structure and function in living things.
New cells are produced from existing cells.
What microscope allows light to pass through a specimen and uses two lenses to form an image.
Light microscope
First lens of the microscope is what?
It is called the objective lens,it is located just above the specimen.It enlarges the image of the specimen.
The second lens is called a what?
It is called the ocular lens,magnifies this image still further.
