Cellulose fibers are long, linear polymers of hundreds ... fluid-filled vesicles called vacuoles within their cytoplasm. Vacuoles typically compose about 30 percent of a cell's volume, but they ...

the main form of cytoplasmic inheritance in animals is via mitochondrial DNA, which is known as mtDNA. The first people to capture images of DNA "fibers" in mitochondria were Margit and Sylvan ...