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Biology > Bio 105 Lab Lecture 3 > Flashcards

Bio 105 Lab Lecture 3 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

The smallest chemical unit of matter

A

Atom

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2
Q

Binding interactions between atoms

A

Chemical bond

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3
Q

Sharing electrons between polar atoms

A

Polar Covalent Bond

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4
Q

A special Polar Covalent Bond involving hydrogen atoms. The most common example is water molecules

A

Hydrogen Bond

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5
Q

Polar or Nonpolar: Hydrophobic

A

Nonpolar

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6
Q

Polar of Nonpolar: Hydrophilic

A

Polar

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7
Q

A very large molecule, usually consisting of repeated subunits called monomers

A

Macromolecule

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8
Q

The forming of Macromolecules by removing water

A

Dehydration Synthesis

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9
Q

The breaking down of Macromolecules by adding water

A

Hydrolysis

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10
Q

The four types of Macromolecules

A

Carbohydrates, Lipids, Proteins, Nucleic Acids

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11
Q

Carbohydrate monomers

A

Monosaccharides and Disaccharides

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12
Q

Lipid Monomers

A

Glycerol and Fatty Acids

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13
Q

Protein Monomers

A

Amino Acids

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14
Q

Nucleic Acid Monomers

A

Nucleotides

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15
Q

Which reagent is used specifically to detect Mono and Disaccharides

A

Benedict’s Test

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16
Q

What color indicates a positive result for Benedict’s Test? Negative Result?

A

Positive: Red
Negative: Blue

17
Q

What reagent is used to test of Polysaccharides such as Starch?

A

Lugol’s Iodine

18
Q

What color is a positive result for Lugol’s Iodine? Negative Result?

A

Positive: Black / Dark Blue
Negative: Yellow / Orange

19
Q

The name of multiple amino acids chained together before being coiled into a protein

A

Peptide

20
Q

Name of the bond between amino acids being chained together

A

Peptide Bond

21
Q

What reagent is used to detect proteins

A

Biuret’s Test

22
Q

What is the color of a positive result for a Biuret’s Test? Negative Result?

A

Positive: Purple
Negative: Blue

23
Q

Type of Lipid chained together with only SINGLE bonds

A

Saturated Fats

24
Q

Type of Lipid chained together with BOTH single and double bonds

A

Unsaturated Fats

25
Q

What reagent is used to detect the presence of Lipids

A

Tween

26
Q

What type of material is Tween?

A

An emulsifier

27
Q

What denotes a negative Tween test? A positive one?

A

Negative: Two clearly separated liquids
Positive: A homogeneous, cloudy mixture with no separations

Biology (16 decks)

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