The key difference between viroid and virusoid is that viroid is a small infectious agent composed only of a single-stranded RNA while virusoid is a type of infectious circular single-stranded RNA which requires a helper virus to infect the cell. Viroid and virusoid are two types of infectious particles composed of single-stranded RNA. They are […]
Difference Between Straight and Branched Chain Alkanes
The key difference between straight and branched chain alkanes is that in straight-chain alkanes, all the carbon atoms bond with each other forming a continuous chain whereas branched-chain alkanes have side chains attached to a continuous carbon chain. Alkanes are hydrocarbon compounds containing carbon and hydrogen atoms with only single bonds between them (no double […]
Difference Between Valve and Sphincter
The key difference between valve and sphincter is that valve is a flap-like structure of a hollow organ that allows one-way fluid flow through it while sphincter is a ring-like muscle which is able to contract or close a bodily passage or opening. Valve and sphincter are two structures that carry out similar functions in […]
Difference Between Ferric and Ferrous Sulphate
The key difference between ferric and ferrous sulphate is that ferric sulphate has iron in the +3 oxidation state, whereas ferrous sulphate has iron in the +2 oxidation state. Ferric and ferrous sulphate are sulphates of iron. They are ionic compounds containing cations (iron in different oxidation states) and anions (sulphate anions). The chemical formula […]
Difference Between Pollen Tube and Style
The key difference between pollen tube and style is that pollen tube is a hollow tube developed from the pollen after depositing on the stigma while style is a long elongated part of the pistil that provides a path for the pollen tube to reach the ovary for syngamy. A flower has male and female […]
Difference Between Stock Solution and Standard Solution
The key difference between stock solution and standard solution is that stock solution is a highly concentrated solution, whereas standard solution is a solution having a precisely known concentration. Stock solution and standard solution are related terms because standard solutions often come as stock solutions. This means, sometimes we can use these terms interchangeably. There […]
Difference Between Monospermy and Polyspermy
The key difference between monospermy and polyspermy is that the monospermy refers to the normal process of fertilizing an egg cell with one sperm. Meanwhile, the polyspermy refers to the process of fertilizing an egg cell with more than one sperm. Fertilization is the union of an egg cell with a sperm cell. It occurs […]
Difference Between Standardization and Titration
The key difference between standardization and titration is that standardization process uses primary standards, whereas the titration process does not essentially use primary standards. Standardization and titration are important terms we use in analytical chemistry. Standardization is also a titration process, but not all titrations are standardization processes. Although they use the same technique to […]
Difference Between Anatomical and Physiological Dead Space
The key difference between anatomical and physiological dead space is that the anatomical dead space refers to the volume of air that fills the conducting zone of respiration made up by the nose, trachea, and bronchi without penetrating the gas exchange regions of the lung. Meanwhile, the physiological dead space refers to the anatomical dead […]
Difference Between Lyman and Balmer Series
The key difference between Lyman and Balmer series is that Lyman series forms when an excited electron reaches the n=1 energy level whereas Balmer series forms when an excited electron reaches the n=2 energy level. Lyman series and Balmer series are named after the scientists who found them. The physicist Theodore Lyman discovered the Lyman […]
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