Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
Who is Robert Hooke? |
The first to apply the word cell to the basic unit of life |
|
|
What is a Cell? |
The smallest unit of all living things |
|
|
What are 4 shapes the human Cell can be? |
Threadlike Flat Irregular Brick_shape |
|
|
What is the biggest human Cell called? |
Ovum-female sex cell |
|
|
What is cytoplasm? |
A living substance that only exists in cells |
|
|
Plasma membrane |
Thin membrane that surrounds the cell/ very delicate |
|
|
What are the 3 Main parts of a cell? |
Cytoplasm Plasma membrane Nucleus |
|
|
What are the 3 Main parts of a cell? |
Cytoplasm Plasma membrane Nucleus |
|
|
What two fat molecules make up the Plasma membrane? |
Phospholipids- framework Cholesterol-stability to prevent breakage |
|
|
What controls the genetic code in the Cell? |
The Nucleus |
|
|
What are ribosomes? |
Protein factories |
|
|
What are Endoplasmic Reticulum? |
Network of canals/ receives and transports ribosomes |
|
|
Golgi Aparatus |
Tiny,flattened sacs stacked on one another near the nucleus; makes carbohydrate compounds,combined with protein and packages the product in a globule |
|
|
What is Mitochondria? |
Supply most of the power for the cellular work; Power Plants |
|
|
What are Lysosomes? |
Digestive bags; digest large nutrient molecules and microbes that are invading |
|
|
What is Centrosomes? |
Paired organelles; form spindles that moves during cell division |
|
|
What is Centrosomes? |
Paired organelles; form spindles that moves during cell division |
|
|
What is Centrosomes? |
Paired organelles; form spindles that moves during cell division |
|
|
What are 3 cell extensions? |
Microvilli Cilia Flagella |
|
|
What is a single projection extending from a cell that whips around like a propeller? |
Flagella |
|
|
What is a hair-like that allows movement |
Cilia |
|
|
What are finger-like projections off of the cell membrane of cells? |
Microvilli |
|
|
What is a a Chromosome? |
DNA molecules becoming tightly coiled forming; each cell has 46 different DNA molecules |
|
|
A region of cytoplasm near the nucleus, which is responsible for moving and organizing structures in the cell is? |
Centrosome |
