Which best describes a role of enzymes? providing high-energy molecules that fuel cell processeschanging one type of marcomolecule to anothersupporting reactions involving energy transfermaking up support structures in cells and tissues

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

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.