Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

T2 - biochem midterm 1 > Unit 3: Carbs > Flashcards

Unit 3: Carbs Flashcards

ENDED S 29 (64 cards)

Start Studying
1
Q

What is the ratio of H to O in carbs?

A

2:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the two primary functional groups of carbs

A

aldehydes & ketones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

______ are carbs that can not be further hydrolyzed by digestive enzymes

A

monosaccaharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

_________ : ea. molec can be hydrolyzed into two monosaccarides

A

dissaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

_____: polymers of 3+ monosaccharide residues

A

polysaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

______: polymers of more then 6 monosaccharide units

A

oligosaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

_____ are the only unit of a carb that can be absorbed in the small intestines

A

monosaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

_____ are sugars

A

carbohydrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

______ are “complex carbs”

A

polysaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Digestive carbs have _____ bonds

A

alpha bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Undigestive carbs have ____ bonds

A

beta bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Straight chain carbs have a ___-___ configuration

A

1-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Branch chain carbs have a ___-___ configuration

A

1-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Name two 3C carbohydrate with aldose fxn groups attached

A

D/L : glyceraldehyde , glycerose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Name one ketoses 3C carbohydrate

A

dihydroxyacetone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

name one 4C aldose

A

D-erythrose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

name one 4C ketose

A

D-erythrulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

name three 4C aldose

A

D-ribose
D-xylose
2’ - deoxyribose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

name two 5C ketose

A

D-ribulose

D-xylulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

name three 6C aldose

A

D-glucose
D-galactose
D- mannose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

name one 6C ketose

A

D-fructose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Maltose is a ____saccharide

A

disaccharide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

def: _____: two polymer subunits bonded together

A

dimer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

def: _____: to breakdown chemically, with water

A

hydrolyzed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
______ is a dimer of glucose
maltose
26
_______ + glucose = maltose
glucose
27
_____ + glucose = sucrose
fructose
28
fructose + glucose = ______
sucrose
29
sucrose is hydrolyzed by _____
sucrase (invertase) - when sucrase hydrolyzes sucrose it changes the direction of light hitting it
30
glucose + ______ = lactose
galactose
31
glucose + galactose = ______
lactose
32
disaccharide that humans vcan not digest
cellobiose
33
cellobiose is a dimer of ___
D-glucose
34
name the two components that make up starch
amylose & amylopectin
35
starch is a _____saccharide
polysaccharide
36
______ is a polymer of D-glucose
starch
37
_____ is a dimer of D-glucose
maltose
38
starch is hydrolized by _____
alpha - amylase
39
starch is hydrolyzed by alpha- amylase into : (3)
glucose maltose isomaltose
40
Polysaccharide in humans ?
glycogen
41
polysaccaride in plants?
starch
42
monomer that makes up glycogen
D-glucose | w/ 8 ~res branches
43
what hydrolyzes glycogen ?
alpha amylase
44
monomer of inulin
D-fructose
45
_______: D-glucose polymers from starch hydrolysis
dextrin
46
name 4 disaccharides
maltose sucrose lactose cellobiose
47
name 4 polysaccharides
starch glycogen inulin dextrin
48
What is the difference of starch vs cellulose
starch: alpha1-4 cellulose: beta 1-4
49
Difference btw hemicellulose and cellulose
cellulose- crystalline, strong and resistant to hydrolysis hemicellulose- xylose is present in large amt., random , amorphous structure
50
____ polymer of galacturonic acid
pectin
51
_____ joins plant cells together
pectin
52
Fungus enzymes break down ____ in fruit , makes the fruit soft
pectin
53
is pectin digestable?
no
54
___ : polymer of methoxy phenol
lignin
55
______ is the major glycoprotein in plant walls
extensin
56
glucose 6-phosphate is an example of a sugar phosphate ______
phytic acid
57
What are the 9 dietary fibers?
``` cellulose hemicellulose pectin liginin mucilage glycoprotein phytic acid waxes trace minerals ```
58
____ are formed from the reduction of carbs
polyols
59
D-glucose + D-fructose reduced =
D-sorbitol
60
D-fructose + D-mannose reduced =
Mannitol
61
D-galactose reduced =
D-galactitol
62
D-xylose reduced =
D- xylitol
63
Dihydroxyacetone reduced =
glycerol
64
______: IS FORMED BY OXIDATION OF CARBS
sugar acids

T2 - biochem midterm 1 (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions