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Science (Per. 4) > Cells (069) > Flashcards

Cells (069) Flashcards

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Biology 101 flashcards
1
Q

Cell

A

The basic unit of structure and function in an organism
~Its shape and sixe contribute to its function~

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2
Q

Robert Hooke

A

Used a microscope to discover cells

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3
Q

Microscope

A

Tool used to magnify (~Or enlarge~) small things

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4
Q

Cell Theory

A
  1. All organisms are made up of one or more cells
  2. Cells are the basic units of structure and function of all living things
  3. All cells come from cells that already exist
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5
Q

Organelle

A

A tiny structure in the in the cell that performs a function

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6
Q

Nucleus

A

Directs all the activities (~Similar to the “brain” of the cell~)

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7
Q

Nucleolus

A

Makes ribosomes

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8
Q

Chromatin

A

Contains DNA (~Genetic material that are the instructions for the cells~)

DNA ~ deoxyribonucleic acid

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9
Q

Nuclear Membrane

A

Surround the Nucleus

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10
Q

Cytoplasm

A

Gel-Like material inside the cell
(~Cytosol is part of the cytoplasm~)

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11
Q

ER
(~Endoplasmic Reticulum)

A

Moves material around the cell

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12
Q

Ribosomes

A

Makes proteins and translates messages

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13
Q

Golgi Bodies

A

The packaging organelle

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14
Q

Mitochondria

A

Powerhouse of the cell (~Because it breaks down food molecules and releases energy~)

~Does cellular respiration~

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15
Q

Vacuole

A

Storage area in the cell

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16
Q

Lysosome

A

Digest wastes and worn-out cell parts
“Cleans” the cell

17
Q

Chloroplasts

A

(~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

18
Q

Cell Wall

A

Outer boundary of plant cell, rigid & tough, provides support and shape
~made of cellulose~
only in plants

19
Q

Prokaryotic

A

Cells that DO NOT have a nucleus
(~Usually unicellular~)

20
Q

Eukaryotic

A

Cells that contain a nucleus and other organelles

Science (Per. 4) (9 decks)

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