A)hydrogen cyanide, formaldehyde, hydrogen gas, and water vapour.
B)ammonia, methane, hydrogen gas, and water vapour.
C)ammonia, methane, oxygen gas, and water vapour.
D)amino acids, methane, hydrogen cyanide, and water vapour.
E)methane, formaldehyde, ammonia, and carbon dioxide.

A)The functional groups in isomers may be found on the same or opposite sides of a double bond.
B)Isomers of an organic molecule may have either branched or linear structures.
C)One isomer may take up more volume.
D)One isomer may be more polar than the other.
E)Only one isomer may bind to specific target molecules in an organism.

A)The majority of their bonds are polar covalent carbon-to-hydrogen linkages.
B)The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.
C)They are hydrophilic.
D)They exhibit considerable molecular complexity and diversity.
E)They are lighter than water.