The double helix structure, DNA, wasn’t discovered until 1953. Can you name any other discoveries made in the last hundred years that have had an impact on our knowledge about life as much as the discovery of DNA? What are some notable scientists that have made major discoveries in the fields of life science?

haploid cells;

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

answer; an inhibitory postsynaptic potential;