What two structures do plant cells have that animal cells do not have?
cell walls and chloroplasts
100
All living things are made up of .
at least one cell.
100
Osmosis is the diffusion
of water
100
All cells come from...
existing cells
200
What protects the outside of animal cells?
Cell membrane
200
What are organelles?
All structures inside a cell are called organelles. Each have a specific task.
200
What is diffusion?
Movement of molecules from an area of higher concentration to an area of lower concentration
200
A red blood cell placed in a hypertonic medium will
A) expand
B) burst
C) shrink
D) have no change in shape.
E) become a white blood cell
C) shrink
200
The passive movement of water through a permeable membrane from an area of high concentration to an area of low concentration.
Osmosis
300
The place where cells store energy (water, food, waste).
What are vacuoles?
300
What is the function of chloroplasts?
Photosynthesis happens within these structures.
300
Both plant and animal cells have this organelles. (name at least 3)
mitochondria, ER, golgi bodies, cell membrane, ribosomes, vacuoles or nucleus.
300
What is the total magnification of a microscope with two lenses when one lens has a magnification of 10, and the other lens has a magnification of 40?
a. 30
b. 40
c. 400
d. 4000
300
Diffusion an example of...
passive transport
400
How did Redi's experiment disprove spontaneous generation?
What is by showing that meat only developed maggots when it was open to flies so they could lay eggs on the meat.
400
What does SELECTIVELY PERMEABLE mean?
This means that it allows some things to pass through easily, while other’s must be left in or out.
400
How are plant cells different from animal cells.
1. cell wall
2. One large vacuole
3. chloroplasts
400
Osmosis is best defined as the movement of:
A) molecules from an area of high concentration to an area of lower concentration
B) molecules from an area of low concentration to an area of higher concentration
C) water molecules across a membrane from an area of low water to an area of higher concentration
D) water molecules across a membrane from an area of high water concentration to an area of lower concentration
E) water molecules inside a container
D) water molecules across a membrane from an area of high water concentration to an area of lower
400
How do plants/cells grow?
Through the cell cycle.
500
How are photosynthesis and respiration related?
They have opposite equations.
500
The cell theory states that (3 things):
1. All living things are composed of one or more cells.
2. The cell is the basic unit of life.
3. All cells come from pre-existing cells
500
In which 2 organelles do photosynthesis and respiration occur?
If a blood cell is placed in an isotonic solution, the cell will
a. shrink
b. swell
c. stay the same
C. What is stay the same. The solution will not move across the cell membrane of the blood cell.
500
There are 6 characteristics that all living things have.
What are they?
1. Living things grow, reproduce and are able to repair themselves.
2. Living things require energy.
3. Living things respond to changes in their environment. Plants will grow towards the sunlight.
4. Living things have a life span. If you are alive, at some point you will stop being alive.
5. Living things produce waste. Humans breathe out Carbon Dioxide as a waste product of respiration.
6. All living things are made up of at least one cell.