carbohydrates Flashcards

1
Q

To fuel our bodies in our activities, we consume meals as an essential part of our daily routine

A

Carbohydrates

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2
Q

Excessive consumption of Carbohydrates can lead to diseases such as

A

diabetes and obesity

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3
Q

used as a source of energy

A

Carbohydrates

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4
Q

class of biomolecules that includes sugar and polymers of sugar

A

Carbohydrates

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5
Q

are organic compounds that primarily consists of…….that occur in a 1:2:1 ratio

A

Carbohydrates,
carbon
hydrogen
oxygen

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6
Q

Carbohydrates such as —– act as structural molecules in the ——— of crutaceans

A

chitin,
exoskeleton

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7
Q

Carbohydrates such as ——– act as structural molecules in the ——- of plants

A

cellulose,
cell wall

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8
Q

is the primary source of sugars, particularly ———-, for cells of plants themselves and for the rest of the organisms of an ecosystem

A

Photosynthesis,
glucose

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9
Q

cells oxidize ————- to release energy that will dry other biochemical reactions

A

glucose

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10
Q

Classification of Carbohydrates

A

Monosaccharides
Oligosaccharides
Polysaccharides

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11
Q

simple sugars

A

Monosaccharides

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12
Q

two to ten monosaccharides

A

oligosaccharides

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13
Q

hundreds to thousands of monosaccharides monomers

A

Polysaccharides

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14
Q

mono

A

one

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15
Q

sacchar

A

sugar

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16
Q

are the monomers and fundamental units of carbohydrates that cannot be further broken down or hydrolyzed into smaller sugars

A

Monosaccharides

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17
Q

types of monosaccharides

A

Aldoses
ketoses

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18
Q

are sugar units that contain an aldehyde group

A

aldoses

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19
Q

are sugar units that contain a ketone group

A

ketoses

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20
Q

where do we usually encounter monosaccharides?

A

glucose
fructose
galactose
deoxyribose

21
Q

also known as dextrose
is the form that circulates in our bloodstream

22
Q

occurs in ripe and sweet fruits
such as mangoes (the sweetest fruit on the planet)

23
Q

makes up the sugar in milk

24
Q

a pentose
is a major structural component of DNA nucleotides

A

Deoxyribose

25
are molecules with the same molecular formula but different structures
isomers
26
these are considered as isomers
hexoses glucose galactose fructose
27
these are ring shaped conformations of monosaccharides which is favorable in --------- solutions
Pyranose ring aqueous solutions
28
with five to six carbon atoms usually occur as pyranose rings in aqueous or waterbased solutions
monosaccharides
29
2 conformations of glucose
the a-glucose the b-glucose
30
if the OH group of the C1 is "below the ring" or on the opposite side of the CH2OH group it is an..
a-glucose
31
if the OH group of the C1 is "above the ring" or on the same side of the CH2OH group it is an..
b-glucose
32
oligo
few
33
is a carbohydrate that consists of two to ten units of monosaccharides.
oligosaccharides
34
the most commonly occurring forms of oligosaccharides are
disaccharides (DI=TWO)
35
how are disaccharides formed?
formed by dehydration synthesis
36
also known as condensation reaction occurs when the hydroxyl group of glucose combines with the hydrogen of fructose
dehydration synthesis
37
when two monosaccharides are combined into a disaccharide a.........holds them together
glycosidic bond
38
where do we usually encounter disaccharides?
sucrose maltose lactose raffinose
39
in plants is abundant in sugarcane which is processed to produce table sugar
sucrose
40
in barley can be fermented to produce alcoholic beverages
maltose
41
is the major sugar found in cows milk
lactose
42
a trisaccharide found in cabbages and asparagus
raffinose
43
poly
many
44
are large molecules that consist of hundreds to thousands of monosaccharide monomers.
polysaccharides
45
they are long chains of complex carbohydrates
polysaccharides
46
what are the most common polysaccharides?
cellulose chitin starch glycogen
47
are composed of very long chains of monosaccharides the orientation of bonds and the presence of branching determine their properties
polysaccharides
48
is the primary storage polysaccharides in plants
starch
49
is the storage polysaccharides in animal and fungal ccell
Glycogen