1
2
3
4
Bonus/tie breakers
100
What does the nucleus do?
The nucleus directs the cell's activities.
100
What invention was most responsible for the development of cell theory?
The microscope.
100
How many major steps are there in mitosis?
There are 6 major steps in mitosis.
100
What are cells?
Cells are the smallest units that carry out the activities of life.
200
What is an advantage of a small, rather than a large, cell? (Think movement of materials.)
Materials move more quickly in small cells.
200
Where does mitosis begin?
It begins in the nucleus.
200
Explain how a substance moves during diffusion. It will move from an area of ________ ________ to an area of ________ ________.
It will move from an area of higher concentration to an area of lower concentration.
200
What provides support for plant cells?
The cell wall provides support for the plant cell.
300
Water travels across a membrane during _______?
Osmosis
300
Do materials move faster in small cells or large cells?
Materials moves faster in small cells.
300
A cell is mostly made of what?
A cell is mostly made of water.
300
What will happen if a cell doesn't have enough water?
If a cell doesn't have enough water, the cytoplasm will shrink.
400
Name 2 things that plant cells have that animal cells do not.
Plant cells have chloroplasts and a cell wall. Animal cells do not.
400
What is the job of the cell membrane?
The cell membrane controls the passage of water and other substances into and out of the cell. This maintains the cell's internal environment.
400
When is mitosis complete?
Mitosis is complete when a new membrane forms around each nucleus.
400
Why are more mitochondrion found in brain cells rather than skin cells?
Brain cells need more energy to function than skin cells. Therefore, they need more mitochondrion.
500
List the 3 parts of the cell theory.
1. All living things are made of one or more cells. 2. Cells are the basic units of living things. 3. All cells come from existing cells.
500
What does DNA do?
DNA is the material that stores information about how an organism will grow and develop.
500
What 3 things must all cells do to sustain life?
1. Obtain energy 2. Remove wastes 3. Reproduce
500
In the chloroplast, the cell converts _______ to ______.
It converts sunlight to food.
500
What does a lysosome do?
A lysosome recycles worn-out cell parts within an animal cell.
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