When DNA coils into a chromosome, it keeps its shape with the help of associated proteins. Where the DNA is very tightly coiled, and the proteins very condensed, that region appears as a dark band (G-band). G-bands are not very rich in genes, which means that it's ok that the DNA is tightly coiled, because it does not have to be very accessible anyway. Note that these bands are only visible when certain types of dye are used. Other types of dye will case gene-rich regions to stain darker and gene-poor regions to stain more brightly. See also: Chromosomes: Organization and Function By Adrian Thomas Sumner, 10.2.2
What are the propreties a dark band on the chromosome?
The reason that in some regions of the chromosome there is a darker appearance is because the dye binding to it. It means that there are more genes or gene interactions.
no
Bands indicate immature neutrophils. if there is an overwhelming infection, bands are released from bone marrow
It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
The bands on chromosomes are chunks of DNA that stain differently. Depending on the section of the chromosome, there may be hundreds of genes or very few genes in each band.
Saturn is the planet that will answer your question
Yes, in striated muscle you can think of the "A" bands as the dArk bands and the "I" bands as the lIght bands.
Yes, smooth muscle has alternating dark and light bands known as the A and I bands, respectively.
no
Count number of bands
Nucleus
The first 3 band on a resistor indicate the value of that resistor.
Bands indicate immature neutrophils. if there is an overwhelming infection, bands are released from bone marrow
It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
It could be a sedimentary rock or a foliated metamorphic rock exhibiting alternating bands of light and dark minerals.
A and I bands
The alternation dark and light bands are found in muscles of humans and animals. They give the muscle fibers their striated appearance.
Skeletal and cardiac muscle tissues are both considered as striated, which means that they have light and dark bands.