Chemistry of Life

Front

Which macromolecule provides long-term energy storage?

Back

Lipids are the macromolecules that provide long-term energy storage in organisms.

Front

What property of water allows it to 'float' a paperclip on top of the water?

Back

Surface tension is the property of water that allows it to support small objects, like a paperclip, on its surface.

Front

Fill in the blank: A molecule is made of more than one ______ bonded together.

Back

Atom.

Front

An element is a collection of ______ that all have the same number of protons.

Back

Atoms.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the four main types of macromolecules essential for life?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the primary function of carbohydrates in living organisms?

Back

Carbohydrates primarily serve as a source of energy and structural support.

Front

What is the role of proteins in biological systems?

Back

Proteins serve as enzymes, structural components, and play roles in transport and signaling.

Front

What are nucleic acids and their function?

Back

Nucleic acids, such as DNA and RNA, store and transmit genetic information.

Front

Define cohesion in the context of water molecules.

Back

Cohesion is the attraction between water molecules, which allows them to stick together.