Cells
How many cells are in your body?
More than 50 million
What do plant cells have that animal cells do not have?
cell wall, chloroplasts and chlorophyll
What do animal cells have instead of a cell wall?
cell membrane
What organelle makes energy out of food, this energy is called ATP?
mitochondria
In the time it takes you to read this question, how many cells die?
300 million cells
What percentage of the cell is made up of water?
90%
What shape are plant cells?
Square/Rectangular
What shape are animal cells?
round
What organelle is a jelly like substance that supports different parts of the cell, it holds the cell in place?
cytoplasm
What are eukaryotic cells?
contains nucleus, protists, fungi, animals, plants, many organelles
What elements make up a cell?
12% hydrogen
25 % oxygen
60 % hydrogen
3 % miscellaneous
What are chloroplasts?
Bodies that use sunlight to make food
What is the shape of bone cells?
rectangular and big
What is the cell's brain that contains genetic information?
nucleus
What are the three main parts of the cell theory?
1. All living things are made up of cells
2. All the processes of life take place in cells
3. New cells come from existing cells
What is a cell?
The basic unit of structure and function in living things
What makes plant cells green
chlorophyll
What is the shape of skin cells?
blocks put together and small
What is the outer layer of the cell, it regulates what goes in and out of a cell?
membrane
What is a prokaryotic cell?
First type of cell, no nucleous, bacteria and arches
How long does a brain cell live?
50 years
What does a plant cell have in addition to a cell membrane?
What is the shape of fat cells?
bubbles and medium sized
What is an organelle?
A tiny cell part that carries out a specific function
How many pounds of skin cells will you shed in your life?
40 lbs of skin