Definition noun extremely condensed, strictly packed form of chromatin, as opposed to the lightly packed euchromatin heterochromatic adjective Of, in connection with to, linked with heterochromatin Supplement dyed is made up of DNA, protein, and RNA. There room two forms of chromatins in the interphase nucleus: euchromatin and also heterochromatin. Cytologically, heterochromatin stains much more intensely than euchromatin. This shows the tighter pack in heterochromatin than euchromatin. Heterochromatin undergoes relatively little change in the degree of condensation together it passes through the cabinet cycle. One more distinctive attribute of heterochromatin is having actually a higher RNA content than euchromatin. Heterochromatin is the strict packed form of chromatin often discovered at the periphery of the nucleus. The is explained to be gene inactive. Because it is tightly packed and also inaccessible to polymerases, that is no transcribed. There are different heterochromatin varieties, such as constitutive heterochromatin and also facultative heterochromatin. The main structural ingredient of heterochromatin is the genetically inactive satellite DNA sequences. They room arrays that tandemly repeating, non-coding DNA. Centromeres and also telomeres are examples of heterochromatic regions of chromosomes. The Barr body, i beg your pardon is the inactive X chromosome in a woman somatic cell, is additionally heterochromatic. Compare:
Last to update on July 21st, 2021
You will also like...
You are watching: Which of the following are examples of heterochromatin?
brand-new Zealand’s distinctive Fauna
Meet some of new Zealand"s distinctive fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..
Plant cell Defense
Plants defend themselves by releasing hydrogen peroxide to fight versus fungal invasion. Another method is through secreting c..
Plant offal are made up of tissues working with each other for a usual function. The different types of tree tissues space m..
movement of Molecules throughout Cell membrane
Molecules move within the cabinet or from one cell to another through various strategies. Transport may be in the form of..
Freshwater neighborhoods & Plankton
Planktons room microscopic organisms the live exposed in aquatic habitats. There room two groups: the phytoplanktons an..
The arthropods to be assumed to be the first taxon of types to own jointed limbs and exoskeleton, exhibit an ext adva..
See more: Are There Any Living Descendants Of Julius Caesar Is My Ancestor?