Hello!
Your answer is D.
"treeless, permafrost, cold dark winters"
A tundra is a large stretch of land usually near mountains, it is often snowy and very cold. It has small dunes and little to no life besides grass and some animals.
Hope this helps!
Answer:
Sugar, nitrogenous bases, phosphate group
‘‘Vitamin D’’ is the answer
Hope it helps!
So the problem ask to find the level of structural arrangement that the scientist observed in an enzyme that is arranged in spiral turn that rise upward and are held in place by hydrogen bond and the best answer would be Tertiary. I hope this helps
