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Carbohydrates and Lipids (Saccharides)

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IB Biology Molecular
Imani :D
Quiz by Imani :D, updated more than 1 year ago
Imani :D
Created by Imani :D about 7 years ago
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Resource summary

Question 1

Question
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)
Image:
Screen Shot 2017 09 25 At 20.17.37 (binary/octet-stream)
Answer
  • O
  • OH
  • H
  • H
  • OH
  • H
  • OH
  • HO
  • H
  • CH2OH
  • H

Question 2

Question
This is a carbon ring. Turn it into a galactose molecule.
Image:
Screen Shot 2017 09 25 At 20.17.37 (binary/octet-stream)
Answer
  • 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

Question 3

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

Question 4

Question
[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].
Answer
  • 5
  • 6
  • 12
  • 6
  • 5
  • 12
  • oxygen
  • hydrogen
  • nitrogen
  • carbon

Question 5

Question
The chemical formula for Glucose and Galactose is: [blank_start]C6H12O6[blank_end]
Answer
  • C6H12O6

Question 6

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

Question 7

Question
Galactose has ____ _____ than Glucose.
Answer
  • less sweetness
  • less weight
  • more sweetness
  • more weight

Question 8

Question
Galactose is a pentose sugar.
Answer
  • True
  • False

Question 9

Question
Ribose forms the backbone of [blank_start]RNA[blank_end].
Answer
  • RNA
  • DNA

Question 10

Question
[blank_start]Deoxyribose[blank_end] forms the backbone of DNA.
Answer
  • Deoxyribose

Question 11

Question
Monosaccharides are the monomers of polysaccharides.
Answer
  • True
  • False

Question 12

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

Question 13

Question
Check off all points that are true for Glycogen.
Answer
  • 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

Question 14

Question
Lactose and sucrose have the same chemical formula.
Answer
  • True
  • False

Question 15

Question
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.
Answer
  • six
  • ribose

Question 16

Question
Which ones are Disaccharides?
Answer
  • sucrose
  • lactose
  • maltose
  • starch
  • glycogen
  • cellulose

Question 17

Question
Cellulose is made by linking together [blank_start]glucose[blank_end] molecules.
Answer
  • glucose

Question 18

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

Question 19

Question
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.
Answer
  • more compact
  • coiled
  • less compact
  • straight chain

Question 20

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

Question 21

Question
Linked molecule bundles are called cellulose micro[blank_start]fibrils[blank_end].
Answer
  • fibrils

Question 22

Question
Glucose molecules in starch can always be linked.
Answer
  • True
  • False

Question 23

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

Question 24

Question
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].
Answer
  • amylose
  • amylopectin
  • alpha
  • beta
  • 1,4
  • 4,1
  • 3,4
  • 4,3
  • unbranched
  • branched
  • a helix

Question 25

Question
Starch is only made by plant cells.
Answer
  • True
  • False

Question 26

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

Question 27

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

Question 28

Question
Label the condensation reaction accordingly.
Image:
Screen Shot 2017 09 27 At 12.20.34 (binary/octet-stream)
Answer
  • Glycerol
  • Three fatty acids
  • Triglyceride
  • water
  • Condensation ---> (Water removed)

Question 29

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