Which of these is not a branch of biology? a)botany b)geology c)zoology d)genetics

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

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

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer