Discovering Cells
Looking Inside Cells
The Cell in its Environment
Photosynthesis
Respiration
Cell Division
200A��_______ are the basic units of structure and function in living things.
200 A
Cells are the basic units of structure and function in living things.
200 A
Go back
400 A
∙ ___________was the first scientist to use the term cell.
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400 A
∙ Robert Hooke was the first scientist to use the term cell.
600 A
∙ An instrument used to make small objects look larger.
600 A
An instrument used to make small objects look larger.
The microscope
800 A
∙ The first scientist to see animalcules, or tiny living things.
800 A
∙ The first scientist to see animalcules, or tiny living things.
800 A
The first scientist to see animalcules, or tiny living things.
Anton Van Leeuwenhoek
1000 A
∙ A theory describing the relationship between cells and living things.
1000 A
∙ A theory describing the relationship between cells and living things.
The Cell Theory
200 B
∙ A tiny cell structure that carries out a specific function within the cell.
200 B
A tiny cell structure that carries out a specific function within the cell.
Organelles
400 B
A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. (Found in plant cells but not in animal cells.)
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400 B
∙ A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. (Found in plant cells but not in animal cells.)
Cell Wall
600 B
∙ A cell structure that controls which substances can enter or leave the cell.
600 B
∙ A cell structure that controls which substances can enter or leave the cell.
Cell membrane
800 B
∙ The cell’s control center, directing all of the cell’s activities. (Surrounded by nuclear membrane)
800 B
∙ The cell’s control center, directing all of the cell’s activities. (Surrounded by nuclear membrane)
Nucleus
1000 B
Capture energy from sunlight and use it to produce food for the cell. (Found in plant cells and some other organisms: NOT in animal cells)
1000 B
Capture energy from sunlight and use it to produce food for the cell. (Found in plant cells and some other organisms: NOT in animal cells)
chloroplasts
200 C�The movement of materials through a cell membrane without using energy
200 C�The movement of materials through a cell membrane without using energy� �Passive Transport
400 C�� The movement of molecules from an area of greater concentration to an area of lesser concentration.�
400 C�� The movement of molecules from an area of greater concentration to an area of lesser concentration.��Diffusion
600 C��The diffusion of water molecules through a selectively permeable membrane.
600 C�The diffusion of water molecules through a selectively permeable membrane.��Osmosis
800 C��The movement of materials through a cell membrane using energy.
800 C�The movement of materials through a cell membrane using energy.��Active Transport
1000 C
The diagram to the left is an example of ________.
1000 C
The diagram to the left is an example of active transport.
Molecules are moving into an area of higher concentration.
200 D�� The pigment in green plants that captures the energy in sunlight.�
200 D�� The pigment in green plants that captures the energy in sunlight.��Chlorophyll
400 D��An organism that makes its own food.
400 D��An organism that makes its own food.�Autotroph or producer
600 D�Carbon Dioxide enters a plant through its ______________.
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600 D��Carbon Dioxide enters a plant through its stomata.
800 D��The diagram below shows the process called ______________.
800 D��The diagram below shows the process called ______________.
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1000 D��During photosynthesis, plants produce ____________ and ______________.
1000 D��During photosynthesis, plants produce ____________ and ______________. ��Sugar and Oxygen
200 E�Considered the opposite of photosynthesis.
200 E�Considered the opposite of photosynthesis. ��Respiration
400 E�� glucose + oxygen → � carbon dioxide + water + (energy)��
400 E�� glucose + oxygen → � carbon dioxide + water + (energy)��respiration equation�
600 E��The first stage of respiration takes place in the ___________.
600 E��The first stage of respiration takes place in the cytoplasm.
800 E��The second stage of respiration takes place in the ___________.
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800 E��The second stage of respiration takes place in the mitochondria.
1000 E�� An energy releasing process that does not require energy.�
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1000 E�� An energy releasing process that does not require energy.��Fermentation
200 F�The picture on the left shows the process called _________.
200 F�The picture on the left shows the process called mitosis.
400 F��The three phases of cell division include interphase, _______, and cytokinesis.
400 F��The three phases of cell division include interphase, mitosis, and cytokinesis.
600 F��________ replication ensures that each daughter cell will have all the genetic information it needs to carry out its activities.�
600 F��DNA replication ensures that each daughter cell will have all the genetic information it needs to carry out its activities.�
800 F��The normal chromosome number in the grasshopper is 24 chromosomes. What is the number of chromosomes found in the sperm and egg cells of grasshoppers?�
800 F��The normal chromosome number in the grasshopper is 24 chromosomes. What is the number of chromosomes found in the sperm and egg cells of grasshoppers?��12
1000 F���The phases of mitosis include prophase, metaphase, __________ and telophase.
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1000 F���The phases of mitosis include prophase, metaphase, anaphase and telophase.