Search Results for: segments
Metamerism
Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More
Chromosomal mutation
Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More
Segmentation
Definition noun, plural: segmentation (1) (embryology) Cleavage, i.e. the repeated division of a fertilized ovum forming... 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
Chromosomal crossover
Chromosomal Crossover Definition noun A process occurring during meiosis wherein homologous chromosomes pair up and... 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
Centromere
Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae)
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae) VIANNA, Wânia de Oliveira, SOARES, Marli Kasue Misaki... Read More
Nervous System
THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More
Fushi tarazu
Definition noun (1) A pair-rule gene which, together with even-skipped, plays a crucial role in the activation of the... Read More
Parasegment
Definition noun, plural: parasegments The fundamental unit of Drosophila development, which is made up of portions of two... Read More
Antennapedia
Definition noun A hox gene first described in Drosophila, which is responsible for the formation and differentiation of the... 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
Kidneys and Regulation of Water and Inorganic Ions
Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Split gene
Definition noun A gene that when transcribed results in pre-mRNA containing exons interrupted by introns Supplement Split... Read More
Alimentary canal
Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More
Intracellular digestion
Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More
ATP synthase
Definition noun, plural: ATP synthases An enzyme that catalyzes the formation of ATP from the phosphorylation of ADP with... Read More
Pair-rule gene
Definition noun A segmentation gene whose expression subdivides the embryo into a series of stripes, and sets the boundaries... 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
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More
Conjugation
Conjugation generally means the joining or coming together (union), such as in certain unicellular organisms (some bacteria,... Read More