Enantiomers etc... Flashcards

1
Q

What is the main feature of enantiomers?

A

They have the same physical and chemical properties but different physiological properties and so they act with our body in a different way

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2
Q

What are the two main reactions that happen in macromolecules?

What condensation does do?
What hydrolysis does?

A

1: condensations
2: hydrolisis

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3
Q

What does condensation need?

A

It needs energy, endergonic(endometriosi)

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4
Q

Hydrolisis? Energy?

A

It realises energy exergonic

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5
Q

What are disaccharides?

A

Two monosaccharides linked together trough a condensation reaction(polisaccarides formed by two)

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6
Q

Where does maltose come from?

A

Comes from the hydrolisis starch(a glucose, a glucose),

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7
Q

What is the bond between two monosaccharides called?

A

Glycosidic Bond

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8
Q

For what it is used Hawarth Projection?

A

Used for the ring structure

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9
Q

What happens for a form and b form in water?

A

They are in equilibrium(60%-40%)

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10
Q

What are the two main types of classification of carbohydrates?

A

1: ENDoses(at the end chain KEToses(in the middle of the chain)
2: according to the number of C Chains

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11
Q

Explain what happens to the linear structure in water?

A

The structure is not stable, it tends to close on itself closing a ring

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12
Q

2 main features of polysaccharides:

CglSS

A

1: storage(they store energy, in plants: starch, in animals: glycogen
2: structural(they build in plants, cellulose in animals: chitin)

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13
Q

What is starch. Definition

A

Starch is a polymer of a glucose. Mixture of two different monosaccharides, analyse and amilopeptine,

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14
Q

Can Animals Break down Starch?

A

Yes they can, trough a particular enzyme: anylases

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15
Q

What is glycogen?

A

Similar to amylopectine but it is more densely branched. It was our body break down to gather energy

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16
Q

What is cellulose?

A

most abundant element expecially in cell walls of plants, it provides strenght and Support (and skeleton)
- polimer of B-glucose linear, unbranched

17
Q

How Sucrose is composed?

A

A glucose+B glucose

18
Q

How lactose is composed?

A

B glucose+B glucose

19
Q
A