During interphase, the cell's DNA is not condensed and is loosely distributed. A stain for heterochromatin (which indicates the position of chromosomes) shows this broad distribution of chromatin in a ...
In mammalian interphase chromosomes, gene-poor regions adopt a compact large-scale chromatin structure, whereas gene-rich regions, which are transcriptionally more active, have a less compacted ...
Geyser-free zone: Zihua Zhu prepares his lithium-ion battery for in situ liquid secondary ion mass spectrometry. (Courtesy:Andrea Starr/Pacific Northwest National Laboratory) What happens in a lithium ...
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