What part of dna varies among dna molecules

One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding select the best answer from the choices provided a b c d i know the answer is not option a

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?