additonal notes Flashcards

1
Q

is a functional group that is always present in a carbohydrate molecule

A

Hydroxyl

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2
Q

the complete hydrolysis of polysaccharides produce many —–

A

monosaccharides

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3
Q

is the handedness in molecules

A

Chirality

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4
Q

a form of isomerism

A

handedness

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5
Q

is when compounds have the same molecular formula but is structurally different

A

isomerism

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6
Q

2 kinds of mirror images in chirality

A

superimposable mirror images
non-superimposable mirror images

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7
Q

coincide at all points when the images are laid upon each other

A

Superimposable mirror images

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8
Q

not all points coincide when the images are laid upon each other

A

non-superimposable mirror images

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9
Q

exists in left and right-handed forms

A

non-superimposable mirror images

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10
Q

is the structural requirement for handedness

A

Chirality

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11
Q

is the presence of carbon atom that has four different groups bonded to it in a tetrahedral orientation

A

Chirality

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12
Q

a molecule that has a chiral center

A

chiral

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13
Q

whose mirror images are nonsuperimposable

A

chiral molecule

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14
Q

whose mirror images are superimposable

A

achiral molecule

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15
Q

gives forms that are biologically active, each form giving a different property, effectiveness , response

A

chirality

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16
Q

have the same molecular and structural formula but differ in the orientation of atoms in space

A

stereoisomers

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17
Q

the stability of a molecule’s structure or how resistant it is to changes in shapes

A

structural rigidity

18
Q

are stereoisomers whose mirror images are nonsuperimposable

A

Enantiomers

19
Q

stereoisomers whose molecules are not mirror images of each other

A

Diastereoisomers

20
Q

a 2-dimensional structural notation for showing the spatian arrangement of groups about chiral centers in molecules

A

Fischer projection formula

21
Q

are diastereomers whose molecules differ only in the configuration at one chiral center

22
Q

a compound that rotates the plane of polarized light

A

Optically active compound

23
Q

a chiral compound that rotates the plane of polarized light in clockwise direction

A

Dextrorotatory

24
Q

a chiral compound that rotates the plne of polarized light in a counterclockwise direction

A

Levorotatory compound

25
a compound with aldehyde functional group
Aldose
26
a compound with ketone functional group
Ketose
27
a general designation for monosaccharide and disaccharides
sugar
28
are hormones that keep glucose blood concentrations within normal range (70-100 mg/dL)
Insulin and Glucagon
29
the hemiacteal carbon atom present in a cyclic monosaccharide structure
Anomeric carbon atom
30
Cyclic monosaccharide formation always produces two steroisomers which are ---
alpha form and beta form
31
it is when teh OH group is at the opposite side
a or alpha form
32
it is when the OH group is at the same side
b or beta form
33
Galactose and Glucose forms what kind of membered ring
six-membered ring / pyranose
34
it forms a six-membered or pyranose ring
Galactose and Glucose
35
D-fructose and D-ribose form what kind membered ring
five-membered ring or furanose ring
36
what forms a five-membered or furanose ring
D-fructose and D-ribose
37
these 3 are hexoses
Glucose Fructose Galactose
38
these 3 are aldoses
Glucose Galactose RIbose
39
these 2 cyclic form has a five-membered ring
fructose ribose
40
these 4 compounds' cyclic form exists in alpha and beta forms
glucose fructose galactose ribose
41
a two-dimenstional structural notation that specifies the three-dimensional structure of a cyclic form of a monosaccharide
Haworth projection formula