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Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.
genetic material, DNA, deoxyribonucleic acid, double helix, chromosome, adenine, thymine, cytosine, guanine, reproduction, purine, pyrimidine, hydrogen bond, histone protein, nucleosome, human, biochemistry, biology
Eukaryotic cells contain a number of organelles.
Carrier of genetic information in cells.
Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell division.
Mitosis is the process by which a eukaryotic cell divides into two cells and the number of chromosomes remains unchanged.
A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.
A heterocyclic organic compound, its derivatives are thymine, cytosine and uracil.
A component of DNA, it contains one less hydroxyl group than β-D-ribose.
This animation presents levels of biological organisation from the level of the individual organism to the level of cells.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
The process of the decay of unstable nuclei is called radioactivity.
Tardigrades can survive in extreme environments, they can even stay alive in outer space.
Widespread heterotrophic unicellular organisms with constantly changing shapes
The structure and arrangement of polypeptide chains affects the spatial structure of proteins.