Topic 2 Lesson 1 Review Flashcards
What was Robert Hooke famous for?
First person to describe cells. Looked at cork cells thought they looked like little boxes so he called them cells - “little rooms”
Who was the first person to describe actual living cells when he looked at a drop of pond water under a microscope?
Anton van Leeuwenhoek
What is the difference between a eukaryote and a prokaryote?
Eukaryotes are mostly multicellular organisms. Prokaryotes are single cellular.
What do eukaryotes and prokaryotes have in common?
Both have DNA, cell membrane, cytoplasm, and ribosomes.
Give examples of eukaryotes
Animals, plants, protists, and fungi
Give examples of prokaryotes.
Bacteria and archaea
What is a cell?
Smallest functional and structural unit of all living things.
What did Rudolf Virchow observe about cell division?
That cells could form only from the division of other cells
What are the parts of the cell theory?
a. All organisms are made up of one or more cells
b. The cell is the basic unit of all living things
c. All cells come from existing cells
What was Theodore Schwann’s conclusion about all organisms?
Animals are made up of animal cells
What does it mean by cell structure?
What the cell is made of and how its parts work together. Ex: an umbrella is made up waterproof fabric, metal rods
What does it mean by cell function?
What the parts of a cell do to keep it alive. Its job. Ex: the umbrella’s job is to keep you dry based on its structures of fabric and rods.
What three things must a cell do to stay alive?
Must perform biological functions:
Obtaining energy
Bringing in nutrients and water
Getting rid of waste
What is the relationship between magnification and resolution?
As magnification increases the resolution improves
Where is the DNA contained in a Eukaryotic cell? In a Prokaryotic cell?
Eukaryote: In the nucleus
Prokaryote: In the cytoplasm
