<h2 /><h2>In situ hybridization</h2>
Explanation:
A)the cellular and tissue specific localization of the mRNA encoded by a particular gene
- In situ hybridization is a technique used to locate and detect nucleic acid sequences(DNA or RNA) with respect to their protein product within nuclei
- The principle behind in situ hybridization is that specific annealing(heat treatment process) of labelled probe to complementary sequences of target DNA or mRNA in a fixed specimen is done
- Probe is mainly used to find the complementary sequence of the nucleic acids(DNA or RNA) or helps in localization of particular clone
- The detection and visualization of the hybrids can be done by using cytological methods
Skin nerve impulses initiated in mechanoreceptors are transmitted along type B fiber
<h3>What are mechanoreceptors ?</h3>
These detect mechanical deformation e.g. touch or pressure within the skin; stretch receptors in muscles. * mechanoreceptor cells answer a change in the external stimulus (pressure, temperature, etc) by producing voltage pulses across neurons (i.e. generator potentials)
<h3>Where are mechanoreceptors found?</h3>
Mechanoreceptors are sensory neurons or peripheral afferents located within joint capsular tissues, ligaments, tendons, muscle, and skin. Four primary sorts of afferent mechanoreceptors are commonly present in noncontractile capsular and ligamentous structures in human joints: types I, II, III, and IV
<h2>What sends impulses from the skin?</h2>
First-order neurons receive impulses from skin and proprioceptors and send them to the medulla spinalis . They then synapse with second-order neurons. Second-order neurons sleep in the dorsal horn and send impulses to the thalamus and cerebellum
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A physical change is change in shape, size, reversible, and change in matter
Answer:
The three pressures that lead to biodiversity according to E.O. Wilson’s theory of island biogeography are immigration, island area and extinction.
Explanation:
Wilson´s theory predicts a dynamic equilibrium with a constant number of species through time from a balance between immigration and extinction. Wilson’s theory of island biogeography says that when the number of species increases, the immigration will drop and Extinction will increases with the number on species of the islands.At a given time, species richness on island is saturated for a new species to colonize as an immigrant, an existing resident species have to become locally extinct due to competition with other species for resources.
Wilson predicts that species richness increases with island area but decreases with isolation
<span>Increasing unsaturated fatty acids in the phospholipid bilayer would increase the permeability of glucose. This is due to the kinks that are on unsaturated fatty acids that would cause the membrane to shift and move more than if it were to have saturated fatty acids which are more stable and make the membrane less permeable.</span>