Carbohydrates and Lipids (Saccharides)

Beschreibung

IB Biology Molecular
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Quiz von Imani :D, aktualisiert more than 1 year ago
Imani :D
Erstellt von Imani :D vor etwa 7 Jahre
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1

Zusammenfassung der Ressource

Frage 1

Frage
This is a carbon ring. Label it in such a way that it becomes a Glucose molecule. (Monosaccharide #1) Use element symbols. (ex. Nitrogen= N)
Antworten
  • O
  • OH
  • H
  • H
  • OH
  • H
  • OH
  • HO
  • H
  • CH2OH
  • H

Frage 2

Frage
This is a carbon ring. Turn it into a galactose molecule.
Antworten
  • O
  • OH
  • HO
  • CH2OH
  • OH
  • HO
  • H
  • O
  • CH2OH
  • H
  • H
  • O
  • OH
  • HO
  • CH2OH
  • H
  • O
  • HO
  • OH
  • CH2OH
  • OH
  • HO
  • H
  • O
  • CH2OH
  • OH
  • HO
  • H
  • O
  • CH2OH
  • H
  • OH
  • O
  • HO
  • CH2OH
  • HO
  • OH
  • H
  • O
  • CH2OH
  • H
  • O
  • OH
  • HO
  • CH2OH
  • CH2OH
  • H
  • O
  • HO
  • OH
  • H
  • O
  • OH
  • HO
  • CH2OH

Frage 3

Frage
The [blank_start]Mono[blank_end]saccharide [blank_start]Glucose[blank_end] is the base unit for many polymers.
Antworten
  • Mono
  • Glucose

Frage 4

Frage
[blank_start]5[blank_end] of the carbons form corners on the carbon ring with the [blank_start]6[blank_end]th corner taken by [blank_start]oxygen[blank_end].
Antworten
  • 5
  • 6
  • 12
  • 6
  • 5
  • 12
  • oxygen
  • hydrogen
  • nitrogen
  • carbon

Frage 5

Frage
The chemical formula for Glucose and Galactose is: [blank_start]C6H12O6[blank_end]
Antworten
  • C6H12O6

Frage 6

Frage
The difference between glucose and galactose is..
Antworten
  • their structure
  • their chemical formula
  • all of the above/below

Frage 7

Frage
Galactose has ____ _____ than Glucose.
Antworten
  • less sweetness
  • less weight
  • more sweetness
  • more weight

Frage 8

Frage
Galactose is a pentose sugar.
Antworten
  • True
  • False

Frage 9

Frage
Ribose forms the backbone of [blank_start]RNA[blank_end].
Antworten
  • RNA
  • DNA

Frage 10

Frage
[blank_start]Deoxyribose[blank_end] forms the backbone of DNA.
Antworten
  • Deoxyribose

Frage 11

Frage
Monosaccharides are the monomers of polysaccharides.
Antworten
  • True
  • False

Frage 12

Frage
The chemical formula for Lactose is: C [blank_start]12[blank_end] H [blank_start]22[blank_end] O [blank_start]11[blank_end]
Antworten
  • 12
  • 22
  • 11
  • 10
  • 22
  • 12
  • 11
  • 10
  • 11
  • 12
  • 22
  • 10

Frage 13

Frage
Check off all points that are true for Glycogen.
Antworten
  • It is a Polysaccharide
  • It is a Monosaccharide
  • Easy to break down
  • Difficult to break down
  • Does not affect the osmotic balance of cells
  • The molecules within are compact

Frage 14

Frage
Lactose and sucrose have the same chemical formula.
Antworten
  • True
  • False

Frage 15

Frage
The difference between fructose and ribose is that fructose has [blank_start]six[blank_end] carbon atoms and [blank_start]ribose[blank_end] has five carbon atoms.
Antworten
  • six
  • ribose

Frage 16

Frage
Which ones are Disaccharides?
Antworten
  • sucrose
  • lactose
  • maltose
  • starch
  • glycogen
  • cellulose

Frage 17

Frage
Cellulose is made by linking together [blank_start]glucose[blank_end] molecules.
Antworten
  • glucose

Frage 18

Frage
Condensation reactions in cellulose links which carbon atom to which other carbon atom on the next beta-glucose atom?
Antworten
  • atom 1 to atom 4
  • atom 5 to atom 4
  • atom 3 to atom 2
  • atom 1 to atom 5

Frage 19

Frage
Alpha glucose is [blank_start]more compact[blank_end] as it has a [blank_start]coiled[blank_end] structure. Beta glucose is [blank_start]less compact[blank_end] as it has a [blank_start]straight chain[blank_end] structure.
Antworten
  • more compact
  • coiled
  • less compact
  • straight chain

Frage 20

Frage
Which polysaccharide is known for having high tensile strength? [blank_start]Cellulose[blank_end].
Antworten
  • Cellulose

Frage 21

Frage
Linked molecule bundles are called cellulose micro[blank_start]fibrils[blank_end].
Antworten
  • fibrils

Frage 22

Frage
Glucose molecules in starch can always be linked.
Antworten
  • True
  • False

Frage 23

Frage
Starch's glycocidic bonds occur on [blank_start]the same side[blank_end].
Antworten
  • the same side
  • different sides

Frage 24

Frage
In [blank_start]amylose[blank_end] the chain of [blank_start]alpha[blank_end] - glucose molecules only have [blank_start]1,4[blank_end] glycocidic bonds. The chain is [blank_start]unbranched[blank_end] and forms [blank_start]a helix[blank_end].
Antworten
  • amylose
  • amylopectin
  • alpha
  • beta
  • 1,4
  • 4,1
  • 3,4
  • 4,3
  • unbranched
  • branched
  • a helix

Frage 25

Frage
Starch is only made by plant cells.
Antworten
  • True
  • False

Frage 26

Frage
[blank_start]Lipids[blank_end] are more suitable for the long term storage than [blank_start]Carbohydrates[blank_end].
Antworten
  • Lipids
  • Carbohydrates

Frage 27

Frage
Triglycerides are formed by condensation from three [blank_start]fatty acids[blank_end] and one [blank_start]glycerol[blank_end]. This reaction is anabolic.
Antworten
  • fatty acids
  • glycerol

Frage 28

Frage
Label the condensation reaction accordingly.
Antworten
  • Glycerol
  • Three fatty acids
  • Triglyceride
  • water
  • Condensation ---> (Water removed)

Frage 29

Frage
Saturated fats [blank_start]are[blank_end] filled with hydrogen and therefore [blank_start]have no[blank_end] double bonds.
Antworten
  • are
  • are not
  • have no
  • have
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