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Science Exam Revision 2021 > Cells > Flashcards

Cells Flashcards

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Biology 101 flashcards
1
Q

Living

A

Seven life processes

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2
Q

Cells

A

The smallest unit of life. All living organisms are constructed of cells

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3
Q

Tissue

A

A group of similar cells that are joined together

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4
Q

Organs

A

Made up of tissue

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5
Q

Organ systems

A

Made up of organs

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6
Q

Organisms

A

Made up of Organ systems

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7
Q

cm, mm, μm, nm

A

Centimeter (hundredth), millimeter (thousandth), micrometer (millionth), nanometer (billionth)

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8
Q

All organisms are composed of _____

A

All organisms are composed of one or more cells

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9
Q

All cells come from ______

A

All cells come from preexisting cells

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10
Q

Organelles

A

Play the role of keeping cells functional - “little organs”

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11
Q

Cell membrane

A

Controls what passes in and out of the cell

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12
Q

Chloroplast

A

Organelles that are responsible for photosynthesis in the cell (Only in plant cells)

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13
Q

Mitochondria

A

Organelles that transform sugar energy from the chloroplast into usable chemical energy

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14
Q

Vacuole

A

Organelle that maintains waste, water, nutrients, and structural support.

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15
Q

Nucleus

A

Contains the cell DNA and regulates activities such as growth and metabolism.

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16
Q

Cell wall

A

Provides strength and protection for the cell (Only in plant cells)

17
Q

Cytosol

A

Semi-fluid substance that fills the interior of the cell, outlined by the cell membrane.

18
Q

Cell specialisation

A

Cells designed to carry out a specific role in a multicellular organism, eg: Blood cells, Bone cells, Neuron, etc.

19
Q

Animal cell

A

Belongs to a multicellular animal, typically doesn’t have a cell wall.

20
Q

Cell division

A

The splitting of one cell into two in order to reproduce. (1 Parent cell – 2 daughter cells)

21
Q

Fat cells

A

Large cells that store excess energy from food

22
Q

Intestinal lining cells

A

Cells that are designed with finger like structures used to absorb water.

23
Q

Muscle cell

A

A long thin cell that changes shape by contracting

24
Q

Red Blood Cell

A

Round cell that carries oxygen throughout the body

25
Q

White blood cell

A

A cell that helps protect the body from infections.

Science Exam Revision 2021 (1 decks)

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