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Front

What allows small insects to walk on the surface of calm water without breaking it?

Back

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together.

Front

Which group of biomolecules provides quick energy to organisms?

Back

Carbohydrates.

Front

What is the charge of the hydrogen end of a water molecule?

Back

Slightly positive.

Front

What macromolecule is primarily responsible for building structures like skin, hair, and muscles?

Back

Proteins.

Front

What is the primary function of nucleic acids?

Back

To store genetic information.

Front

What property of water allows it to form hydrogen bonds?

Back

Polarity.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

What type of biomolecule is glucose?

Back

Carbohydrate.

Front

What is the role of lipids in the body?

Back

To store energy and provide insulation.

Front

What is the structure of a nucleotide?

Back

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