Biology: English Vocabulary List

an organism's smallest unit, capable of functioning on its own

"A cell is tiny."

"Each living organism is composed of one or more basic cells."

a complex biological molecule made up of amino acids that performs crucial functions in living organisms

"Eggs have a lot of protein."

"Athletes often eat foods that are rich in protein to help their muscles recover after intense workouts."

a microscopic agent that causes disease in people, animals, and plants

"A virus causes the flu."

"The virus spread quickly through the school, causing many students to miss classes for over a week."

(biology) the part of a cell that contains most of the genetic information

"The nucleus controls the cell."

"The nucleus is the control center of a cell and contains its genetic material."