Answer:
im sorry but what is that
Explanation:
Answer:
1. Purines
2. States that DNA composition varies among species
3. Hydrogen Bond
4. Purines
<em>Answer to #2 is a little iffy </em>-- sorry
Explanation:
Pyrmidines have two rings
Purines have one ring
Complementary bases are connected by hydrogen bonds.
The rate of evolution is the means of
Darwinism
This structure is called the epiglottis. This flexible leaf-shaped cartilage serves as a flap that covers the larynx to prevent food and liquids from entering the airway and the lungs. It is open when we breathe which allows air to enter into the larynx.
The FDA seal of approval is NOT a source to ensure quality of a dietary supplement. The answer to your question is C. I hope this is the answer that you are looking for and it comes to your help.