What is the Definition of a homologous structure?
In science, homologous is most often used in the phrase homologous structures, which refers to body parts of animals that have a similar structure or origin, as in The arms of humans and the limbs of cats are homologous structures—the layout of the bones is very similar.
What do you mean by homologous give example?
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.
How do you say homologue?
Break ‘homologue’ down into sounds: [HOM] + [UH] + [LOG] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘homologue’ in full sentences, then watch yourself and listen.
What is a protein homologue?
Two proteins are homologous if they have a common ancestor, whatever their sequences, structures, or functions.
What is proteome in biology?
A proteome is the complete set of proteins expressed by an organism. The term can also be used to describe the assortment of proteins produced at a specific time in a particular cell or tissue type.
How do you find homologous?
How to: Find a homolog for a gene in another organism
- Search the HomoloGene database with the gene name.
- If your search finds multiple records, click on the desired record.
- If your search in HomoloGene returns no records, search the Gene database with the gene name.
How does analogy different from homology?
Homologous structures share a similar embryonic origin; analogous organs have a similar function. For example, the bones in the front flipper of a whale are homologous to the bones in the human arm. These structures are not analogous. The wings of a butterfly and the wings of a bird are analogous but not homologous.
How do you use homologous in a sentence?
Homologous in a Sentence 🔉
- As an organ donor, Ted is a homologous match to Peter so he can give him one of his kidneys.
- The two stores may have different prices, but they are homologous because they offer the same goods.
What does the root word chiasm mean?
a crossing, an intersection
chiasma (n.) 1832, in anatomy, “a crossing, an intersection,” medical Latin, from Latinized form of Greek khiasma “two things placed crosswise,” which is related to khiasmos (see chi, and compare chiasmus).