Answer:
1. optic disk 2. fovea centralis
Explanation:
The activation energy of a chemical reaction is closely related to its rate. Specifically, the higher the activation energy, the slower the chemical reaction will be. This is because molecules can only complete the reaction once they have reached the top of the activation energy barrier.
Answer : peptide bond or chemical bond between two compounds . (:
The statements that describe the structure of a molecule of DNA include the following:
- Contains deoxyribose sugar
- Contains the nitrogenous bases, adenine, thymine, cytosine and guanine.
<h3>What is DNA?</h3>
This is known as deoxyribonucleic acid and carries genetic instructions in all living things.
It is a twisted double helix with a deoxyribose sugar and the nitrogenous bases such as adenine, thymine, cytosine and guanine.
Read more about DNA here brainly.com/question/16099437