Functional groups Carboxyls Hydrocarbons Carbonyls Carbonygens
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Question 1 1 pts
Functional groups
Carboxyls
Hydrocarbons
Carbonyls
Carbonygens
Compounds that are composed of carbon and hydrogen are called
Question 2 1 pts
Alkane
Alkene
Alcohol
Ketone
Functional group
C2H4 is an
Question 3 1 pts
Alkane
Alkene
C2H6 is an
Alcohol
Ketone
Functional group
Question 4 1 pts
Polymorphic
Hydrophobic
Hydrophilic
Isomers
Ions
Hydrocarbons with the same molecular formula but different structures are called
Question 5 1 pts
0
1
2
3
4
The alkane CH3CH2CH3 has ________ isomers.
Question 6 1 pts
Contain oxygen and/or nitrogen and are polar
Most of the important functional groups on biological molecules
Contain oxygen and/or nitrogen and are nonpolar
Contain carbon and hydrogen and are polar
Contain carbon and hydrogen and are nonpolar
Question 7 1 pts
Bonding and shape
Types of intermolecular interactions
Physical properties
Chemical reactions
All of these
Functional groups are important because they determine the following property(ies) of a molecule
Question 8 1 pts
Carboxyl
Hydroxyl
Carbonyl
Sulfhydryl
Phosphate
Aldehydes and ketones have this functional group
Question 9 1 pts
F1wF. The functional groups present in norepinephrine (shown in the figure) are:
Carboxyl and ammonia
Carboxyl and amino
Hydroxyl and carboxyl
Hydroxyl and amino
Carboxyl and sulfhydryl
Question 10 1 pts
Carboxyl, phosphate and amino
Carboxyl, phosphate and carbonyl
Carboxyl, amino and methyl
Hydroxyl
Carbonyl
F3wF. Which functional groups are present in the circular form of glucose?
Question 11 1 pts
Carboxyl
Hydroxyl
Carbonyl
Sulfhydryl
Phosphate
The functional group OH is a(n)
Question 12 1 pts
Ketones
Aldehydes
Alcohols
Aromatics
Alkanes
The functional group OH is found in
Question 13 1 pts
Hydroxyl
Carboxyl
Carbonyl
Methyl
Amino
This functional group can be fully negatively charged:
Question 14 1 pts
Hydroxyl
Carboxyl
Carbonyl
Methyl
Amino
This functional group can be fully positively charged
Question 15 1 pts
Hydroxyl
Carboxyl
Carbonyl
Methyl
Amino
This functional group is uncharged, i.e. hydrophobic:
Question 16 1 pts
Hydroxyl
Carboxyl
Carbonyl
Methyl
Amino
Which group would be likely to be found in a hydrophobic pocket of a protein?
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Question 17
What is the chemical formula for the molecule on the left below ?
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Question 18
Is the molecule on the left below likely to be water soluble? Explain.
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Question 19 1 pts
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The molecule on the right is the same as the molecule on the left, but it has two of the carbons numbered. Can carbon 2
be a chiral center that is, is carbon 2 bound to 4 different substituents so that enantiomers form?
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Question 20
The molecule on the right is the same as the molecule on the left, but it has two of the carbons numbered. Can carbon 3
be a chiral center that is, is carbon 3 bound to 4 different substituents so that enantiomers form?
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Question 21 1 pts
What is the chemical formula for the molecule below (Chem4.jpg)?
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Question 22
What is the chemical formula for the molecule below (Chem5.jpg)?
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Question 23
Is this molecule likely to be water soluble (Chem4.jpg)? Explain
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Question 24 1 pts
Is this molecule likely to be water soluble (Chem6.jpg)? Explain
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Question 25
Is this molecule likely to be water soluble (Chem5.jpg)? Explain
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Question 26
What are you finding the most difficult? If you aren’t finding anything particularly difficult, what are you finding the most
interesting or surprising?
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