noun

a substance in your body that prevents cells and tissue from being damaged by harmful substances. Some vitamins are antioxidants.

noun

the smallest part of a living structure that can operate as an independent unit. The middle of a cell is called the nucleus

suffix

used with some adjectives to make adjectives describing how many cells a living structure has

noun

the thin outer layer that surrounds a cell and controls which substances go in and out of the cell

adjective

relating to or consisting of animal or plant cells

noun

a strong layer that surrounds each cell in some living things, protecting them and giving them shape

noun

a part of a plant cell that contains chlorophyll and where photosynthesis takes place

noun

a group of bacteria or other cells that have been grown in a scientific experiment

noun

the process by which a group of bacteria or other cells is grown in a scientific experiment

verb

to grow a group of bacteria or other cells in a scientific experiment

noun

a substance containing nutrients used for growing bacteria or other cells in a laboratory

noun

the study of how cells grow and change, for example cells that cause cancer

noun

the substance inside the cells of living things, not including the nucleus. It contains several different chemicals and structures.

dna

verb

if a cell in a plant or animal divides, it separates into two cells so that a new cell is formed

noun

the process by which the cells in plants and animals divide to form new cells

noun

deoxyribonucleic acid: a chemical substance that contains genetic information and is found in all living cells and some viruses

noun

the process in which a cell divides into two or more parts

a male or female cell that unites with a cell of the opposite sex to produce a zygote that can develop into an embryo and then a baby

verb

if bacteria or cells grow, or if they are grown, they divide and increase in number

verb

if you incubate cells or microorganisms, or if they incubate, they are kept at a particular temperature so that they will grow

noun

the amount of time that it takes for eggs or cells to develop

noun

a piece of equipment used for keeping eggs, cells, or microorganisms at a particular temperature

verb

to produce a natural substance in your body

noun

a type of cell division in which a cell divides into four cells, each of which contains half the number of chromosomes of the original cell

noun

a thin layer of tissue that covers, separates, or connects cells or parts of a person, animal, or plant

verb

if cells migrate, they move to a specific place in the body

noun

the process by which cells move to a specific place in the body

noun

a small part in a cell that helps your body to turn food into energy

noun

the process by which a cell divides into two smaller cells that each contain the same number of chromosomes as the original cell. It makes it possible for asexual reproduction and ordinary cell division in living things to happen.

adjective

consisting of many cells

adjective

relating to or forming the nucleus of a living cell

noun

an acid such as dna or rna that is found in the cells of all living things

noun

the part of a cell that contains the chromosomes

noun

a structure in a cell that is designed to do a particular job, for example a nucleus

noun

a cell in your body that gets rid of bacteria and other harmful cells by taking them into itself

verb

if an animal, cell etc propagates it increases in number by reproduction

noun

the substance that the cells of living things are made of. It consists of the cytoplasm and the nucleus.

verb

to grow a new body part or organ, or to be grown as a new body part or organ

noun

ribonucleic acid: an acid in all living cells that uses information from dna to make proteins

adjective

involving the joining of male and female cells

noun

a cell that is taken from a person or animal at an early stage of development and is capable of developing into cells of any type, for example nerve cells or blood cells

verb

to make plants, cells, or a part of someone’s body grow or become more active

noun

a cell or gene that stops a process in your body from happening. Suppressors can stop cancer from developing or spreading, for example.

noun

a type of white blood cell that helps the body to fight disease

noun

a fertilized egg that has only just started developing and is not yet an embryo

noun