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- (Science: physics) In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion.
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pair production, in physics, the production of a particle-antiparticle pair from the decay of a neutral particle or from a pulse of electromagnetic energy traveling through matter, usually in the vicinity of an atomic nucleus.
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May 29, 2023 · (Science: physics) In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion. pairs are named in accordance with the kind of motion they permit; thus, a journal and its bearing form a turning pair , a cylinder and its piston a <a href="https://www.biologyonline.com/dictionary/sliding ...
- Homologous Definition
- Homologous vs. Heterologous
- Homologous Examples
- References
What is homologous? In general science, the word “homologous” is used to show a degree of similarity. It may be in position, structure, function, or characteristics. In chemistry, homologous pertains to a series of molecules or compounds that differ by a constant increment. For instance, alkanesare a homologous series of hydrocarbons: methane, etha...
Both heterologousand homologous are descriptive words but they have opposite meanings. While homologous pertains to biological entities having a corresponding or a similar feature, the heterologous is used to describe an entity whose features are markedly different from one another. For example, a heterologous tumor is a tumor containing cytologic ...
Homologous structures
Homologous structures are body parts of organisms that have the same anatomical features, thus, indicating a common ancestor or developmental origin. They may share the same trait but they do not necessarily have the same function. For example, the forelimbs of the bats and of humans are homologous structures. The bones constituting bat forelimbs are the same as those of humans. This indicates a common ancestral organism. In the picture below, it shows the anatomical features of the different...
Homologous chromosomes
Homologous chromosomes are paired chromosomes. The chromosomes in a pair share the same gene sequence, loci, and centromere location. They also have the same chromosomal length. Nevertheless, they may differ in alleles. A human cell, for instance, has a total of 46 chromosomes in the nucleus. Half of them (23 chromosomes) comes from the mother and the other half (23 chromosomes), from the father. At fertilization, these chromosomes combine to form a new nucleus within the zygotecell, which su...
heterologous tumor. (2020). TheFreeDictionary.Com. https://medical-dictionary.thefreedictionary.com/heterologous+tumor
Jun 19, 2019 · This organism is diploid, but only has a 1 pair of chromosomes. These are homologous chromosomes, because they carry the same genes. However, they can carry different alleles of each gene, shown by their internal pattern.
Apr 7, 2019 · “Homologous,” in biology, means a similarity in internal or chromosomal structures. With internal structures, homology indicates organs that have similar positions, structures, or evolutionary origins. It’s important to note, however, that organs do not have to have the same function to be homologous.
23 hours ago · A base pair consists of two complementary DNA nucleotide bases that pair together to form a “rung of the DNA ladder.” DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.
One chromosome is inherited from the mother and one is inherited from the father. The chromosome in each pair carries the same gene in the same location.
