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Midterm Cell Bio Exam > Carbohydrates > Flashcards

Carbohydrates Flashcards

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Biology 101 flashcards
1
Q

What is the key functions of carbohydrates?

A

Give instant energy

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2
Q

What is the monomer of carbohydrates?

A

Monosaccharides

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3
Q

What is a good exemple of a monosaccharide and what would be is chemical equation

A

Glucose: c6H12o6

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4
Q

What are to polymers of carbohydrates?

A

-disaccharides
-polysaccharides

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5
Q

What is a disaccharide carbohydrate?

A

It is a hydroxyl group combine to release water molecules and form covalent bond

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6
Q

Give an exemple of a disaccharides and explain why it is a disaccharide?

A

Lactose b/c it is formed of glucose+galactose

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7
Q

What is a polysaccharides?

A

-long chain of monosaccharides linked by glycosidic bonds

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8
Q

Where are located the carbohydrates?

A

Exterior of the plasma membrane attach to a protein (glycoproteins) or a lipid (glycolipids)

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9
Q

What is the metabolic importance of monosaccharides?

A

-primary energy sources for cells
-involved in glycolysis

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10
Q

What is the structural important of monosaccharides?

A

-building blocks for larger carbohydrates

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11
Q

What is the metabolic importances of disaccharides?

A

-serve as quick energy sources
-broke down monosaccharides for absorption

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12
Q

What is the structural importance of disaccharide?

A

They play a role in energy storage and transport

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13
Q

What is the metabolic importance of a polysaccharides?

A

-Serve as energy reserves

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14
Q

What are the 5 properties of water?

A

1)High heat capacity
2)High evaporation capacity
3)Ice is less dense than liquid water
4)It a solvent
5)cohesive and adhesive

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15
Q

Water molecules are polar or non-polar molecules?

A

Polar

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16
Q

What is the bond in the H2O molecule?

A

Polar covalent bond

17
Q

What is the name of the bond between two molecules of water?

A

Hydrogen bond

18
Q

Why is water longer to heat up and cool down than other liquids?

A

B/c they require a bigger energy to break a form of H bonds

19
Q

What happens to water molecules when the pH=7?

A

They ionise spontaneously

20
Q

What is the principle of catabolism?

A

Process of breaking down complex molecules to form simpler one

21
Q

What is the process of anabolism?

A

Mechanism that take smaller units to create bigger structures

22
Q

What are isomers?

A

Isomers are molecule with the same chemical formula but different chemicals properties

Midterm Cell Bio Exam (10 decks)

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