Write the opposite of each number?
a. o
b. 2/3
c. 0.5

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.