The idea that sediments deposit and cover dead organisms in lakebeds, which eventually leads to fossilization, was introduced by a. nicholas steno b. charles darwin c. alfred wallace d. alfred wegener

2.) insulin is needed to your cells take in sugar from your blood. after you eat a candy bar, will your insulin gene be expressed or repressed? 3.) all cells have the same dna, and they all make the same proteins. true or false? the answers are 2.) expressed3.) false