Biomolecules and Cells Review

Front

What is diffusion?

Back

Diffusion is the process when molecules move from a high concentration to a low concentration.

Front

What regulates what enters and leaves a cell?

Back

The Cell Membrane regulates what enters and leaves a cell.

Front

Why is it important to replicate DNA before a cell divides in mitosis or meiosis?

Back

It is important to replicate DNA in order for genetic information to be transferred into daughter cells.

Front

What forms the building blocks of nucleic acids?

Back

A sugar, a phosphate group, and a nitrogen base form the building blocks of nucleic acids.

Front

What type of macromolecules are RNA and DNA?

Back

RNA and DNA are types of nucleic acids.

Front

What is the primary function of carbohydrates?

Back

The primary function of carbohydrates is to provide energy to the body.

Front

What are lipids primarily used for in the body?

Back

Lipids are primarily used for long-term energy storage and making up cell membranes.

Front

What is the role of proteins in the body?

Back

Proteins are essential for building and repairing tissues, as well as for making enzymes and hormones.

Front

What is the structure of a cell membrane?

Back

The cell membrane is composed of a phospholipid bilayer with embedded proteins.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules across a selectively permeable membrane.