135 results found

Search Results for: code

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Code

Code The genetic code is the correspondence between the triplet of bases in dna with the amino acids. The discovery of the... Read More

Binomial nomenclature

Binomial Nomenclature Definition Binomial nomenclature is a binomial system of naming a species. A binomial name is... Read More

Genetic code

Genetic code (Science: molecular biology) relationship between the sequence of bases in nucleic acid and the order of amino... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Mitochondrion

Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Degenerate

Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More

Translation

Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Frameshift mutation

Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... Read More

Uracil

Definition noun plural: uracils u·ra·cil, ˈjʊərəsɪl (biochemistry) A pyrimidine nucleobase in RNA that... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Protein

Protein Definition Proteins are biomolecules comprised of amino acid residues joined together by peptide bonds.... Read More

Thymine

Definition noun plural: thymines thy·mine, ˈθaɪmɪn (biochemistry) A pyrimidine nucleobase in the DNA molecule that... Read More

Protein Synthesis

If you have jumped straight to this page, you may wish to look at the previous tutorial about DNA, which gives background... Read More

Passive and Active Types of Immunity

The previous tutorial investigated the role of white blood cells in phagocytosis. White blood cells are also responsible... Read More

Cytosine

Definition noun plural: cytosines cy·to·sine, ˈsaɪtəsiːn (biochemistry) A pyrimidine nucleobase that complementary... Read More

Dominant

Dominant Definition The word dominant or dominant trait is commonly used in biology. The general meaning of dominant is to... Read More

Eukaryotic cells

Eukaryotic Cells Definition What is a eukaryotic cell? Eukaryotic cells refer to the cells of (or derived from) eukaryotes,... Read More

Nucleobase

Definition noun plural: nucleobases (biochemistry) The base in the nucleic acid, e.g. purines and pyrimidines Details ... Read More

Guanine

Definition noun plural: guanines gua·nine, ˈɡwɑː.niːn (biochemistry) A purine nucleobase that complementary pairs... Read More

Cell differentiation

Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More

Adenine

Definition noun plural: adenines ad·e·nine, ˈædɪnɪn (biochemistry) A purine nucleobase that complementary pairs... Read More

Genus

Genus Definition A genus is a taxonomic category ranking used in biological classification that is below family and above... Read More

Nucleic acid

Definition noun plural: nucleic acid nu·cle·ic ac·id, nuˈkleɪ.ɪk ˈæsɪd Any of the group of complex compounds... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Mitochondrial DNA

Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More

RNA-DNA World Hypothesis?

How did life start as we know it? In the scientific community, the "RNA World Hypothesis" has many adherents. Many believed... Read More

How cell fixes DNA damage

DNA repair strategies DNA is crucial to life. It carries the fundamental blueprint for the proper functioning of a cell.... Read More

Enzyme

An enzyme is a biomolecule that can be synthesized biologically (naturally occurring) or through other processes... Read More

Pyrimidine

Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as... Read More