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History
Characteristics of Cells
Types of Cells
Organelles 1
Organelles 2
100
What type of cells did Hooke study?
cork
100
What are the smallest units of life?
cells
100
Which type of cell has no nuclear membrane?
prokaryotic
100
What is the function of the plasma membrane?
Surrounds cell, controls what goes in and out.
100
What do you call a structure within a cell that performs a specific function?
Organelle
200
List the following terms in order from smallest to largest: tissues cells organ system organs
cell tissue organ organ system
200
Cell size is limited by what?
surface area
200
What were the earliest cell types?
prokaryotic
200
What is the function of the Golgi apparatus?
Package and storage
200
What organelle produces ATP?
Mitochondria
300
Cells are produced only from _______________.
existing cells
300
Cell shape is directly related to what?
cell function
300
Give an example of a prokaryotic cell.
bacteria or archaea
300
What structure helps move supplies from one part of the cell to another?
Endoplasmic reticulum
300
Numerous hairlike structures that protrude from the cell surface and are packed in rows.
cilia
400
Who was the first person to examine living cells?
Leeuwenhoek
400
Give an example of how cell shape and function are related.
Possible answers: nerve cells have long extensions to send messages skin cells are armor like to protect us
400
All cells have what 3 things in common?
plasma membrane cytoplasm control center/nucleus
400
Where are proteins made?
ribosomes
400
What is the double membrane around the nucleus called?
Nuclear membrane/envelope
500
Schleiden & Schwann's reasearch led to what statement of cell theory?
All living organisms are composed of one or more cells.
500
Approximately how many cells could fit on the head of a pin?
1600
500
What two organelles are unique to animal cells?
centrioles lysosomes
500
Where are the cell's chromosomes found?
In the nucleus
500
What organelle is responsible for photosynthesis?
chloroplast