Lab Quiz 5 Flashcards by Monica Hernandez Cruz

Q

If the result is POSITIVE, then the indicator will

A

change color

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Q

If the result is NEGATIVE, then the indicator will

A

NOT change color

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Q

What is a negative control

A

Water
H2O

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Q

Nucleic Acids Function?

A

Store genetic information

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Q

DNA

A

Double Stranded

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Q

RNA

A

Single Stranded

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Q

What is the difference between DNA & RNA?

A

Their sugar

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Q

RNA Genetic Code (4)

ex: A, C, G, U

A

Adenine
Guanine
Cytostine
Uracil

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Q

3 types of lipids

A

Triglycerides (fats/oils)
Phospholipids
Steroids

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Q

Lipids Reagent (Indicator)

A

Sundan III

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Q

Lipids Positive Result =

A

Orange / Red-Orange

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Q

Lipids Functions

Hint: 3

A

Long-term energy storage
Insulation and cushioning
Signaling (between cells)

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Q

Lipids Negative Result =

A

No color

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Q

Simple Sugars Reagent (indicator)

-Carbohydrates

A

Benedict’s Solution

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Q

S. Sugars Positive Result =

A

Red, Orange, Yellow and Green

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Q

S. Sugars Negative Result =

A

Blue

Q

S. Sugars Functions:

Hint: 3

A

Energy Storage
Short-term storage source
Structural support (cell walls)

Q

Complex Sugars Reagent (indicator)

starch

A

Lugol’s Iodine

Q

C. Sugars Positive Result =

A

Dark blue, dark brown, black

Q

C. Sugars Negative Result =

A

Yellow - Orange

Q

Proteins Reagent (indicator)

A

Biuret Reagent

Q

Proteins Positive Result =

A

Violet, Purple

Q

Proteins Negative Result =

A

Blue

Q

Proteins Function

A

Proteins have a wide diverse set of functions