Biology chapter 2 organic chem

Which of the following functional groups is hydrophobic in nature?

methyl

Which of the following characteristics of an atom determines the number and kind of bonds it can form?

 the number of particles in its valence shell

Which chemical group is most likely to be responsible for an organic molecule behaving as a base?

amino

ATP is necessary for life because

 it is the principle energy carrying molecule in a cell

Which of the following functional groups is present in acetic acid?

 carboxyl group

Which of the following functional groups gives amino acids their acidic character?

carboxyl

Which of the following unique feature of carbon allows it to support life on Earth?

 Carbon can form a variety of bonds in nature.

Which of the following is true of carbon?

it can form polar and non polar bonds

Which chemical change will convert ADP to ATP?

 by adding energy and a phosphate

How many electrons must one carbon atom share with other atom or atoms to complete its valence shell?

Four

Visualize the structural formula of each of the following hydrocarbons. Which hydrocarbon has a double bond in its carbon skeleton?

C2H4

Research indicates that ibuprofen, a drug used to relieve inflammation and pain, is a mixture of two enantiomers; what are enantiomers?

molecules that are mirror images of each other

Which of the following molecules has the fewest characteristics of an organic molecule?

Water

Which of the following explains why the valency of carbon is 4 even though it has 6 electrons?

 has 2 electrons in its first shell and 4 in the second shell

A compound contains hydroxyl groups as its predominant functional group. Which of the following properties of the molecule can be predicted with the information provided?

it should dissolve in water

Which of the following characteristics is responsible for the complexity and variety of organic molecules?

 the chemical versatility of carbon atoms

Which two functional groups are always found in amino acids?

 carboxyl and amino groups

Which of the following does NOT accurately describes a characteristic of isomers?

 Isomers are not structurally different.

Hydrolysis of ADP produces which of the following products?

 AMP + Pi + energy

Which of the following statements about ADP/ATP is true?

 Following hydrolysis, both ATP and ADP can release one inorganic phosphate.

Compared to a hydrocarbon chain where all the carbon atoms are linked by single bonds, which of the following statements best describe a hydrocarbon chain with the same number of carbon atoms but with one or more double bonds?

 It will contain less hydrogen atoms.

The maximum number of hydrogen atoms in an organic molecule with six carbons is

14

Organic chemistry is currently defined as

 the study of carbon compounds

Differences in which of the following chemical characteristics are responsible for the uniqueness of individuals organisms?

 types and relative amounts of organic molecules synthesized by each organism