Search Results for: g-protein
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More
Phosphorylation
Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More
Protein synthesis
Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... 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
Golgi apparatus
Golgi Apparatus Definition The Golgi apparatus is a membrane-bound organelle in eukaryotic cells. It plays a crucial role... Read More
Polypeptide
Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More
Nonsense mutation
A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More
Carrier protein
Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... 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
Biuret test
In this article we will answer the following three questions: What is a Biuret Test? What does biuret test for? What is... Read More
Proteoglycan
What are proteoglycans? Proteoglycans are primarily a type of polysaccharide. Structurally, proteoglycans are... 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
Denaturation
Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... 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
Tight junction
What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More
Ribonucleic acid
Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
Protein Activity and Cellular Metabolism
Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More
Fluid mosaic model
Fluid Mosaic Model Definition What is the fluid mosaic model? The fluid mosaic model is a three-dimensional representation... Read More
Nucleic acid
Nucleic Acid Definition A nucleic acid refers to any of the group of complex compounds consisting of chains of monomers of... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D.Genetic Mutations Genetic mutations are inherited variations in an... 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
Protein Variety
The sequence of amino acids determines which type of protein it is. It is synthesized from a DNA strand, each DNA strand... Read More
Gene Regulation in Eukaryotes
Reviewed by: Mary Anne Clark, Ph.D.Eukaryotic Gene Structure In prokaryotes the DNA is located in the... 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
Cyclic adenosine monophosphate
Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More