Cells Flashcards
How many cells do humans have (average)?
100 trillion cells.
How many kinda of cells? What are they?
4 kinds. Bone, Muscle, Brain, Skin.
What are procaryotes?
Single cells organisms.
What are eucaryotes?
Multi-cell organisms.
Where do we get our Chromosomes?/How many do we have?
46 in total. 23 from each parent.
What do red blood cells contain?
Hemoglobin
Why is blood red?
Because of oxygen contact.
What is the purpose of white blood cells?
They help your body prevent getting sick.
What are cells? (Definition)
The basic unit of life
What are unicellular organisms?
Organisms made up of one cell. Euglena, Paramecium, Yeast
What are multicellular organisms?
Organisms with more than one cell. Plants, Animals, Fungus.
What are the smallest & biggest cells?
Smallest = Mycoplasma/Largest = Ostrich Egg
What is the first part of cell theory?
All living organisms are composed of one or more cells.
What is the second part of cell theory?
Cells are the basic unit of structure & organization of all living things
What is the third part of cell theory?
Cells arise only from previously existing cells, with cells passing copies of their genetic material on to the daughter cells.