Homologous structures are such structures that do not show exact similarity in their appearance and function but are linked with their common ancestor. On the other hand, analogous structures are such structures that are similar in their function and appearance but do not have any links between their ancestors. The arms of humans, legs of dogs, are the common examples of homologous structure, where they must have diverged and evolved as different beings. The wing of insects, birds, bats and … [Read more...]
Difference Between Menarche and Menopause
The onset of the first menstrual period in the female adolescent is the menarche, while the termination or end of the menstrual cycle in the females is known as menopause. These are the two significant physical and biological milestone in the female's life. The studies on these events reveal that partially genetic and partially non-genetic factors (environmental factors, lifestyle, etc.) influence the age at which menarche and menopause in females. Although there are various medical issues … [Read more...]
Difference Between Dendrite and Axon
Dendrite refers to the 'Trees' in Greek, so these are the branched small extension of the nerve cell. Axon refers to the 'axis' in Greek, so axon is the long slender like protrusion of the neuron or nerve cell. Secondly, dendrite receives messages or information or electrochemical impulses from the external environment or other neurons, so they work as the input for the neuron. The role of the axon is to send messages or any information or electrochemical impulses to the external environment … [Read more...]
Difference Between mRNA, tRNA and rRNA
mRNA has a linear structure having uracil base instead of thymine, and its secondary structure could be hairpin, stem-loop, etc. ; while tRNA has Cloverleaf structure that carries three specific stem-loops; and rRNA has much complex structure with numerous folds and loops. mRNA acts as the messenger of DNA; tRNA carries amino acids during protein synthesis; rRNA is the protein producer of the cell. These three RNA plays a vital role in the process of transcription and further in protein … [Read more...]
Difference Between Bohr and Rutherford’s Atomic Models
Niels Bohr postulates the atomic model which states that electrons move in specific circular orbits around the nucleus with quantised kinetic and potential energies. Ernest Rutherford said that atom consists of the whole mass that is concentrated into the centre. From the above statement, we can say that both the models of the atom differ in the way they explained the movements of electrons around the nucleus and their energy levels. We all are aware of the modern theory which says that … [Read more...]
Difference Between Green and White Revolution
The Green Revolution is the programme started in India and other developing countries to increase the production of wheat and rice and become self-sufficient. On the other hand, White Revolution or Operation Flood is an association with the objective of increasing milk production in India. Let's get back to history, the Third Agricultural Revolution or the Green Revolution has its birthplace in Mexico, which started in the year 1950. It is the initiatives that consist of the set of research … [Read more...]
Difference Between Mutualism, Commensalism and Parasitism
When both the partners or organisms get benefits from one another by living together is known mutualism. When only one partner or organism gets benefits without any effect on the other is commensalism. When one partner or organism gets benefits while the other is harmed is known as parasitism. Mutualism, Commensalism and Parasitism are the kinds of symbiosis relationship or interaction between two different species observed in our ecosystem. Symbiosis is originated from the Greek word that … [Read more...]
Difference Between Neutrophils, Eosinophils and Basiophils
The neutrophils are one that reaches the site of the infection quickly when the immune response triggers, and thus helps in fighting against the foreign particles by ingesting them. Eosinophils are another type of white blood cells, that fight against infection, allergies and diseases. Basophils are always present against allergens and prevent blood clotting in the body, as it contains heparin which is the natural blood thinner. White blood cells are produced by the body naturally, which are … [Read more...]
Difference Between Liverworts and Mosses
Liverworts and Mosses are the non-vascular and non-flowering plants that are found in wet and terrestrial environments. Though numerous essential differences lie between them. For instance, Liverwort belongs to the division - 'Marchantiophyta' or often term as'Hepaticophyta', while mosses fall under division - 'Bryophyta'. Secondly, liverworts have thallus or foliose that are green leaf-like arrangement hook-up with the stem, whereas mosses are simple, small and leafy arrangement present … [Read more...]
Differences Between Actin and Myosin
Actin is the collective molecules of protein from which thin bands are formed. On the other hand, Myosin is the group of protein by which thick bands are formed. Actin and Myosin are responsible for various types of cellular movements, and the most striking one is the muscle contraction, that provides the best-model to understand the role of actin and myosin. Now, to know the function of actin-myosin, it is necessary to gather bit information about muscles contraction. The cellular and … [Read more...]
- 1
- 2
- 3
- …
- 16
- Next Page »