The complementary bases come in pairs:
A (adenine) - T (thymine)
G (guanine) - C (cytosine)
So....
A G C T T C G A T C G
T C G A A G C T A G C
Hope this helps! Please correct me if I'm wrong :)
This would be a covalent bond :)
I believe it's Lower.
Hope this helps!
Answer:
A.
Explanation:
The vaccine is dead/weakened pathogens injected to cause antibodies. These antibodies will recognize the pathogens if they see them and fight them off.
Hope this helped! Good luck!