MSA1 First Semester Biology Final 80 q's

Front

What is parasitism?

Back

A type of symbiosis where one organism benefits at the expense of another.

Front

What is the main source of energy for living organisms?

Back

Carbohydrates are the primary source of energy.

Front

What are keystone species?

Back

Species that have a disproportionately large effect on their environment relative to their abundance.

Front

What are hydrogen bonds?

Back

Attractions between water molecules that are crucial for many biological processes.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Atomic mass - Atomic number.

Front

What is mutualism?

Back

A type of symbiosis where both organisms benefit from the relationship.

Front

What are lipids?

Back

Macromolecules that are used for long-term energy storage and make up cell membranes.

Front

What are nucleic acids?

Back

Macromolecules that store and transmit genetic information, such as DNA and RNA.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is the role of proteins in the body?

Back

Proteins are essential for growth, repair, and the functioning of cells.