Anatomy: Chemistry Flashcards

1
Q

What is a Molecule?

A

Two or more atoms of the same ELEMENT join together

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2
Q

What is a Compound?

A

Two or more atoms of a DIFFERENT element join together

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3
Q

What is the Duet Rule?

A

States that atoms are most stable when valence electron shell holds TWO electrons.
Ex: two hydrogen atoms with one electron each ion together and they each have/share 2 electrons.

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4
Q

What is an Ionic Bond?

A

An atom gives away one or more electrons to create stability.

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5
Q

What is a Covalent Bond?

A

Two atoms share electrons.

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6
Q

Polar vs Non-polar Bonds

A

Polar means UNEQUAL sharing of electrons while non-polar means EQUAL sharing.

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7
Q

What are Enzymes & what affects its activity?

A

A protein that accelerates chemical reactions. — Temp, pH level, and substrate concentration.

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8
Q

What are important properties of water?

A

Carries heat with it when it evaporates, cushions body structures, acts a lubricant between 2 different surfaces within the body.

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9
Q

What are Carbohydrates?

A

A compound made out of Hydrogen, carbon, and oxygen.

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10
Q

What are Lipids?

A

Fatty compounds that store energy.

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11
Q

What are Proteins? (and structures)

A

Large molecules composed of many amino acids.
Primary Structure
Secondary Structure
Tertiary structure
Quaternary structure

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12
Q

What are Nucleic Acids?

A

Primary information-carrying molecules in cells.

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