AP Bio Unit 1

Front

What element exhibits chemical behavior most like that of oxygen based on electron configuration?

Back

Sulfur.

Front

What is organic chemistry primarily based on?

Back

The study of carbon compounds.

Front

What is the key difference between the sugar in DNA and the sugar in RNA?

Back

The sugar in DNA contains one less oxygen atom.

Front

What causes the 20 different amino acids to exhibit different chemical and physical properties?

Back

Different side chains (R groups).

Front

What holds the two strands of the DNA double helix together?

Back

Hydrogen bonds.

Front

What is the basic structure of an amino acid?

Back

An amino group, a carboxyl group, a hydrogen atom, and a side chain (R group) attached to a central carbon.

Front

What is the role of functional groups in organic molecules?

Back

Functional groups determine the chemical reactivity and properties of organic compounds.

Front

What is the significance of the double helix structure of DNA?

Back

It allows for the stable storage of genetic information and replication.

Front

What are the four main types of macromolecules in biology?

Back

Carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the primary function of ribonucleic acid (RNA)?

Back

To transfer genetic information from DNA to the protein synthesis machinery.