"the process represented in the diagram is
(1)dna replication
(2)natural selection
(3)gel electrophoresis
(4)genetic engineering
"

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses