The helicase is what spits open the DNA.
Answer:
nitrogen base
Explanation:
as it is nitrogen that is fixed to make protein bonds
Answer:
a biologic trade of sperm/ semen and egg cells
when these are traded only then reproduction occurs
Answer: 1. founder effect
2. evolution
3. natural selection
4. species
5. geographically isolated
Explanation: Good luck! :D
Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
