I'm pretty sure it's B)constructive
they pair up with other bases to make up the rungs of the DNA ladder
North Dakota and Michigan because it has to be 32 Farenhieht or less to snow
Answer:
D
Explanation:
We must study the reaction pictured in the question closely before we begin to attempt to answer the question.
Now, the reaction is a free radical reaction. This implies that only one electron is transferred. The transfer of one electron is shown using a half arrow rather than a full arrow. The both species are radicals (odd electron species) and contribute one electron each.
Hence we must show electron movements in both species using a half arrow.
Answer:
it produces amino acids and proteins. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.