What happens during a hydrolysis reaction?

the bond between two subunits of a macromolecule is broken

Why is Carbon the most common element in organic chemistry?

It is able to bond with many elements, It can form four bonds

What are the six most important chemical elements of life?

carbon, nitrogen, oxygen, hydrogen, phosphorus, sulfur

What are the properties of hydrocarbons?

Hydrophobic, non-polar, good source of stored energy

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Nixon Monomer/polymer and Carbohydrates/Lipids

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A quiz on the chemistry of life and associated molecules.

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Questions 19

Answers

1
Which is an amine group?
-COOH
-NH2
-H2N2
-N2
2
What happens during a hydrolysis reaction?
a bond is formed between two subunits of a macromolecule
water is removed
water breaks ionic bonds
the bond between two subunits of a macromolecule is broken
3
Why is Carbon the most common element in organic chemistry?
It is a very common element on Earth
It is able to bond with many elements
It has a low electronegativity
It can form four bonds
4
Which is a hydroxyl group?
-H2
-H2O
-OH
-H
5
Which is a methyl group?
-NH2
-CH3
-OH
-COOH
6
What Functional group(s) are in all amino acids?
Carboxyl
Carboxyl and Amino
Amino
Carbonyl and Amino
7
Which of these is not a lipid?
Chitin
phospholipid
steroids
triglyceride
8
When compared to fructose, glucose is
a protein
6 sided
5 sided
7 sided
9
Which is an organic molecule?
H2O
Ne
CH4
HCl
10
Which is a Carbonyl group?
-C=O
-C2
-C
-CO
11
Which element is always associated with organic chemistry?
Chlorine
Oxygen
Carbon
Hydrogen
12
Which is a carboxyl group?
-CHO2
-COOH
-CO2H
-HCO2
13
The empirical formula for carbohydrates is
(CH20)n
C6H12O6
(CHO)2
(CnHnOn)2
14
What are the six most important chemical elements of life?
carbon, nitrogen, oxygen, hydrogen, phosphorus, sulfur
carbon, nitrogen, sulfur, hydrogen, iron, magnesium
carbon, nitrogen, calcium, zinc, iron, hydrogen
carbon, nitrogen, oxygen, calcium, phosphate, hydrogen
15
Which functional group is nonpolar?
Methyl
Amino
Carbonyl
Carboxyl
16
What are the properties of hydrocarbons?
hydrophilic, good source of stored energy
hydrophobic, containing numerous amine group
Hydrophobic, non-polar, good source of stored energy
hydrophilic, containing numerous carboxyl groups, nonpolar
17
Which is a Sulfhydryl?
-S2H
-S2
-SH
-SH2
18
Which is a phosphate group?
-PO4
-PO
-PH4
-P
19
Triacylglycerol contains fatty acids and
glycogen
guanine
glycerol
glucose

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