A(n) is a sudden, permanent change in a sequence of DNA. a. allele b. chromosome c. epigenetic d. mutation

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because