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5th Grade Science - Chap 2 Lesson 2: Parts of a Cell
Terms in this set (40)
part of the cell that controls what goes in and out of the cell
this is the control center of the cell
List at least 4 things that the cell nucleus does.
1. Controls chemical reactions
2. Stores important information needed for cell division
3. Contains most of the cells genetic information
4. Stores directions for all cellular activities
True or False: The cell nucleus controls chemical reactions
Stores directions for all cellular activities
Gel-like substance between the nucleus and the cell membrane
rod-shaped structures that are the powerhouses of the cell that perform aerobic respiration and change chemicals into energy that the cell can use
chemicals in food are changed into energy that the cell can use
True or False: cells only have one mitochondria
False: Heart muscle cells contain thousands of mitochondria
What part of the cell performs aerobic respiration?
True or False: Photosynthesis only occurs in cells with chloroplasts
True or False: Cellular respiration occurs in most cells
What is the formula for cellular respiration
Glucose + Oxygen produces Carbon Dioxide + Water + Energy
What is the formula for Photosynthesis?
Carbon Dioxide + Water + Sunlight produces Glucose + Oxygen
True or False: Respiration can only occur in darkness
False: Cellular respiration can occur in light or darkness
cellular respiration that occurs without oxygen
sac-like structures that store water, food and waste
the part of the cell that holds it together; stiff layer that surrounds the cell membrane only in plants
True or False: Animal cells have cell walls
False: Only plant cells have cell walls
structures in the cytoplasm that contain chemicals that digest cellular wastes and worn-out cell parts; they also remove wastes from cell structure through active transport
When energy is required to move materials through a cell membrane
True or False: Lysosomes are located in the nucleus of the cell and remove waste through inactive transport
False: Lysosomes are located in the CYTOPLASM of the cell and remove waste through ACTIVE transport
the green pigment inside of chloroplasts which absorbs light, captures energy and gives plants their green color
structures found in many plant leaves and stems that trap the energy of light and make food; this is also where photosynthesis takes place
the movement of water particles through a membrane
Where does Photosynthesis take place in a plant cell?
is the movement of substances through the cell membrane without the use of the cells energy
cells break down glucose to release energy
What 3 main ingredients do plants need to make food?
Carbon Dioxide, Sunlight and Water
The Products of Photosynthesis are
Oxygen and Glucose
Plants and animals access the energy in molecules of glucose through
Cellular respiration that does not use oxygen to release energy is called....
Cellular respiration takes place in the ....
Photosynthesis takes place in the ...
What structures do plant and animal cells have in common?
Nucleus, mitochondria, vacuoles, cytoplasm, membrane, lysosomes
What cell structures only exist in plant cells?
Cell walls and chorolplasts
List 2 types of passive transports
Osmosis and Diffusion
What carries food and oxygen to the cells in our body?
movement from areas of higher concentration to areas of lower concentration
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