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Science 6 > Cells > Flashcards

Cells Flashcards

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Biology 101 flashcards
1
Q

the basic unit of structure and function in an organism
*its shape and size contribute to its function

A

Cells

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2
Q

used a microscope to discover cells

A

Robert Hooke

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3
Q

tool used to magnify or enlarge small things

A

Microscope

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4
Q
  1. All organisms are made up of one or more cells.
  2. Cells are the basic units of structure and function in all living things
  3. All cells come from cells that already exist.
A

Cell Theory

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5
Q

a tiny structure in the cell that performs a function

A

Organelle

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6
Q

directs all cell activities (similar to the brain of the cell)

A

Nucleus

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7
Q

makes ribosomes

A

Nucleolus

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8
Q

contains DNA (genetic material that are the instructions for the cell)

DNA= deoxyribonucleic acid

A

Chromatin

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9
Q

surrounds the nucleus

A

Nuclear Membrane

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10
Q

selectively permeable membrane meaning it only lets specific materials move in and out of the cell

A

Cell Membrane

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11
Q

gel-like material inside the cell
- cytosol is part of the cytoplasm

A

Cytoplasm

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12
Q

moves material around in the cell

  • like a highway
A

Endoplasmic Reticulum
(ER)

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13
Q

make proteins and translate messages

A

Ribosomes

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14
Q

the packaging organelle

A

Golgi bodies

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15
Q

powerhouse of the cell because it breaks down food molecules and releases energy
*does cellular respiration

A

Mitochondria

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16
Q

storage area in the cell

A

Vacuole

17
Q

digest wastes and worn-out cell parts, “cleans” the cell

A

Lysosomes

18
Q

contain a chemical called chlorophyll (absorbs the sun’s energy & makes the plant green) and allows the plant to make food for itself (like solar panels)
*does photosynthesis
*only in plants

A

Chloroplast

19
Q

outer boundary of plant cell, rigid & tough, provides support and shape
-made of cellulose
*only in plants

A

Cell wall

20
Q

Cells that do not have a nucleus, usually unicellular

A

Prokaryotic Cells

21
Q

Cells contain a nucleus and other organelles

A

Eukaryotic Cells

Science 6 (8 decks)

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