¿Qué diferencia hay entre los siguientes procesos? Se añade azúcar al agua y se agita, se observa su aparente desaparición. Se añade una pequeña cantidad de agua a un terrón de azúcar y se calienta en un cazo, observándose que el azúcar se oscurece.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Express the following number in scientific notation. 0.026890 =

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins