B3 Biological Molecules Flashcards by Kylie Baik | Brainscape

Q

What are the building blocks of carbohydrates?

A

Simple sugars

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Q

What are the building blocks of lipids?

A

Fatty acids and glycerol

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Q

What are the building blocks of proteins?

A

Amino acids

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Q

Which elements do carbohydrates contain?

A

Carbon, hydrogen, and oxygen

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Q

Which elements do proteins contain?

A

Carbon, hydrogen, oxygen, and nitrogen

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Q

Which elements do lipids contain?

A

Carbon, hydrogen, and oxygen

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Q

What is cellulose used for?

A

Makes up the plant cell wall

- Structure

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Q

What is starch and glucose used for?

A

Used in respiration to provide energy for the organism

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Q

Where is starch and glucose stored?

A

Cells

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Q

How do amino acids bind together to make proteins?

A

They form chains

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Q

What are lipids used for?

A

To make cell membranes
To store energy
Insulation

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Q

What is the test for starch?

A

Iodine solution

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Q

What is the test for glucose?

A

Benedict’s solution

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Q

What is the test for protein?

A

Biuret test

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Q

What is the test for fats and oils?

A

Ethanol

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Q

Result if starch is present

A

brown –> dark blue

Q

Result if glucose is present

A

Green –> yellow –> orange/red

Q

Result if protein is present

A

Turns purple

Q

Result if fat is present

A

Cloudy white solution formed

Q

What can be used as a solvent?

A

water

Q

Larger molecules of starch and glycogen

A

glucose