AP Bio Insta-Review Topic 1.2*: Elements of Life

Front

What type of bond does Carbon make with other atoms?

Back

Covalent bonds are formed when carbon shares electrons with other atoms.

Front

What elements are found in all lipids?

Back

Lipids are primarily composed of Carbon (C), Hydrogen (H), and Oxygen (O).

Front

Which macromolecule contains phosphate?

Back

Nucleic Acids, such as DNA and RNA, contain phosphate groups.

Front

How many valence electrons does Carbon have?

Back

Carbon has 4 valence electrons, allowing it to form four covalent bonds.

Front

Which macromolecules include nitrogen?

Back

Nucleic Acids and Proteins both contain nitrogen in their structures.

Front

What is the primary function of carbohydrates?

Back

Carbohydrates serve as a primary energy source for living organisms.

Front

What are the building blocks of proteins?

Back

Amino acids are the building blocks of proteins.

Front

What is the role of lipids in biological systems?

Back

Lipids serve as long-term energy storage, insulation, and make up cell membranes.

Front

What is the structure of a nucleotide?

Back

A nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.