Vocabulary for IELTS Academic (Band 5) - Biology

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

a living thing such as a plant, animal, etc., especially a very small one that lives on its own

(biochemistry) a chemical substance that carries the genetic information, which is present in every cell and some viruses

(biochemistry) a chemical substance that carries the information from DNA to control the cellular protein biosynthesis

(genetics) a basic unit of heredity and a sequence of nucleotides in DNA that is located on a chromosome in a cell and controls a particular quality

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

(biology) the slow and gradual development of living things throughout the history of the earth

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

(microbiology) single-celled microorganisms that can be found in various environments, including soil, water, and living organisms, and can be beneficial, harmful, or neutral

a plant-like organism that often grows on organic matter and has no flowers or leaves, such as moulds and mushrooms

a blood protein produced to fight diseases or infections, or in response to foreign substances in the body

a chemical substance produced in the body of living things influencing growth and affecting the functionality of cells or tissues

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

a cell that is responsible for transmitting nerve impulses between the brain and the rest of the body