The answers are:
1-a
2-b
3-e
4-c
5-d
These pairs are found in double strand of DNA and RNA where the bonds between them connect the two strands making the double stranded structures possible.
Answer:
Don't know of such a thing
Answer:
The definition of trade off is an exchange where you give up one thing in order to get something else that you also desire. An example of a trade off is when you have to put up with a half hour commute in order to make more money.
Explanation: