Answer:
please let me brainliests
Explanation:
DNA replication occurs through the help of several enzymes. These enzymes "unzip" DNA molecules by breaking the hydrogen bonds that hold the two strands together. Each strand then serves as a template for a new complementary strand to be created. Complementary bases attach to one another (A-T and C-G).
The elements are Carbon, Hydrogen, Oxygen, and Nitrogen.
I choose the option (4) chemical bond.
Glucose is decomposed to 2 pyruvate, acetyl-CoA, and then entering the TCA cycle. All the energy such as ATP, NADH, and FADH2 is generated from braking the chemical bond.
Answer: blood travels from the heart through arteries and blood travels to the heart through the veins.
I hope this helps
Voltron is not a subatomic particle
