The nitrogenous bases guanine and adenine are called a. purines.
Hope this helps~
I'm not quite sure, but i believe that you are already simplified. There are only ten millimeters per centimeter, so if its only to the tenth, its already simplified. Sorry if this is not much help, or if its wrong, I'm not the brightest crayon in the box.
The newly fertilized egg gains mass only after it is implanted in the uterus wall. Before the implantation, there is no gain in the mass of the fertilized egg. Moreover, the nourishment is not derived from the cell of the uterus. A newly fertilized egg is capable of surviving without the nourishment from mother as long as the nourishment is provided in vitro. Hence, the statements of Nina and Carole are not right.
Hence, the answer is 'the statement of Sarah is correct'.
D. Uracil which is what is use in RNa instead of thymine
