Â© QA International, 2010. All rights reserved. www.qa-international.com. Inside the cells of every living thing are microscopic, threadlike parts called chromosomes. They carry hereditary information from one generation to the next in the form of genes.A chromosome is made up of protein and deoxyribonucleic acid, or DNA, which is the substance that determines an organism's inherited traitsfor example, eye color in animals and flower. chromosome...(75 of 440 words). chromosome is made up of protein and deoxyribonucleic acid, or DNA, which is the substance that determines an organism's inherited traitsfor example, eye color in animals and flower. chromosome... (75 of 440 words).
Answer Wiki. .iso files and .img files are used to keep a copy of a disc with information about its file structure. .iso files cannot be compressed, while .img files can be either compressed or uncompressed. If an .img file is uncompressed, you could rename it to .iso and it would still function. .iso files are now the standard and are commonly used to share copies of discs, such as installation CDs and DVDs, for example for a program or an operating system.
For other uses, see ISO (disambiguation). An ISO image is an archive file of an optical disc, a type of disk image composed of the data contents from every written sector on an optical disc, including the optical disc file system. ISO image files usually have a file extension of .iso.