Bio Lab Flashcards by name Unknown | Brainscape

Q

Benedict’s reagent

A

Reducing sugar

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Q

Lugols iodine

A

Starch

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Q

Sudan IV

A

Lipid

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Q

Biuret reagent

A

Protein

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Q

Biuret reagent negative

A

Blue

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Q

Biuret reagent positive

A

Pale purple

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Q

Acid neutral or base : water

A

Neutral

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Q

Acid neutral or base: KOH

A

Base

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Q

Acid neutral or base: More H+ less OH-

A

Acid

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Q

Acid neutral or base: ph at 7

A

Neutral

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Q

Acid neutral or base: Ph below 7

A

Acid

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Q

Acid neutral or base:H+ equals OH-

A

Neutral

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Q

Acid neutral or base: ph above 7

A

Base

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Q

Acid neutral or base: sulfuric acid

A

Acid

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Q

Acid neutral or base: less H+ more OH-

A

Base

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Q

Non polar , does not interact with water (spray butter coconut oil)

A

Hydrophobic

Q

Interacts with water , polar (salt sugar bleach)

A

Hydrophilic

Q

Hydrophilic polar nonpolar?

A

Polar

Q

Benedict positive color

A

Yellow ish red brown (og is blue)

Q

Lugols iodine (Starch) positive

A

Blue ish black (og brown)

Q

Biuret ( protein) positive

A

Purple (Og light blue)

Q

Sudan positive

A

Stronger red? (Og pale red)

Q

Adhesion

A

Water is attracted to other substances

Q

Cohesion

A

Water is attracted to water