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Biology > CHP 3 > Flashcards

CHP 3 Flashcards

1
Q

Hydrophilic Substances?

A

“water loving”

adhering water to their surface

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2
Q

Hydrophobic Substances?

A

“water haters”

unable to mix with water

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3
Q

Lipids?

A

Neither Macromolecules nor polymers and are hydrophobic

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4
Q

Types of Lipids?

A

Fats:Unsaturated and Saturated
Steroids:Cholesterol
Oils

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5
Q

Saturated Fats?

A

Usually solid, has max # of hydrogens (“Saturated” with Hydrogen)

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6
Q

Unsaturated Fats?

A

Usually liquid, has fewer # of Hydrogen which makes double bonds

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7
Q

Triglyceride?

A

Lipid

one glycerol and 3 fatty acids

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8
Q

Dehydration Reaction?

A

Links two monomers together, and water is given off

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9
Q

Hydrolysis Reaction?

A

Breaks bond b/w monomers and a molecule of water is added

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10
Q

What are the components of Amino Acid?

A

central carbon atom bonded to four covalent partners

usually attached to Carboxyl group, Amino group, and hydrogen atom

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11
Q

Primary Structure of Amino Acid?

A

long specific sequence of amino acids in a protein

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12
Q

What does Protein functions depend upon?

A

a proteins 3-dimensional shape

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13
Q

Denaturation?

A

unfavorable change in temp or pH, which it unravels and loses its shape

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14
Q

What are the monomers of Protein, Carbohydrates, and Nucleic Acid?

A

Protein:Amino Acid
Carbohydrates:Monosaccharides
Nucleic Acid:Nucleatides

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15
Q

What are the nitrogenous bases of DNA & RNA nucleotide?

A

DNA: Adenine, Guanine, Cytosine, Thymine
RNA: A, G, C Uracil

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16
Q

Differences b/w DNA & RNA?

A

RNA uses sugar ribose and base Uracil and is single-stranded

DNA uses Thymine and usually exists as double helix

17
Q

Glycogen?

A

stored in body (mucles and liver) and converted to glucose when needed

18
Q

Starch?

A

Polysaccaride, used by plant cells to store engergy and consists of long strings of glucose monomers

19
Q

Base Pair for DNA Strand?

A

A-T

C-G

Biology (13 decks)

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