Lec1-3 Flashcards
1
Q
Cell theory
A
Organisms are made of one or more cells
The cell is the basic unit of the organism
Cells arise from other cells
2
Q
Misconceptions of cells
A
Organelles drawn too large and too few
Cells are drawn with empty space
Cells are drawn with different structures
Cells are drawn as though motionless
3
Q
Eukaryotic organisms are
A
Unicellular or multicellular
4
Q
Humans have how many different cell types
A
200
5
Q
5 categories of cells
A
Epithelial tissue
Nervous tissue
Muscle tissue
Connective tissue
Blood cells
6
Q
Sperm cells have
A
Flagella for movement
7
Q
Intestinal epithelial cells have
A
Microvilli for surface area to absorb nutrients
8
Q
What connects animal cells
A
Collagen
a protein
9
Q
What connects plant cells
A
Cellulose
Polysaccharide
10
Q
A
