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Cells > Elements, compounds, etc. > Flashcards

Elements, compounds, etc. Flashcards

0
Q

Compound

A

They form when two or more elements combine chemically

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1
Q

Element

A

Any substance that cannot be broken down into simpler substances

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2
Q

Carbohydrates

A

Energy rich organic compounds made of the elements carbon, hydrogen, and oxygen

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3
Q

Lipid

A

A compound made up of mostly carbon and hydrogen and som oxygen

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4
Q

Protein

A

Are large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and, in some cases, sulfer

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5
Q

Nucleic acids

A

Very long organic molecules

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6
Q

DNA

A

The genetic material that carries info about an organism and is passed from parent to offspring

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7
Q

Double helix

A

Looks like a rope ladder that’s been twisted around a pole

The double helix forms from many small molecules connected together

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8
Q

Enzyme

A

Group of proteins

Speed up chemical reactions in living things

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9
Q

Atom

A

The smallest unit of an element

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10
Q

Molecule

A

Smallest unit of most compounds 2 or more atoms

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11
Q

Organic

A

Living thing(or once living) that contains CARBON

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12
Q

Inorganic

A

Inorganic non living, not containing carbon

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13
Q

Selective permeable

A

Substances that can move into and out of a cell do so by means of one of two processes

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14
Q

Passive transport

A

The movement of dissolved materials across a cell membrane without using the cells energy

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15
Q

Diffusion

A

The process by which molecules move from an area of higher concentration to lower concentration

16
Q

Osmosis

A

The diffusion of water molecules across a selectively permeable membrane

17
Q

Active transport

A

The movement of materials across a cell membrane using cellular energy

18
Q

Endocytosis

A

The cell membrane changes shape and engulfs the particle

19
Q

Exocytosis

A

Allows large particles to leave a cell

Cells (3 decks)

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