En qué consistía el trabajo de Lewis ​

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.