Adenine, guanine, thymine and cytosine are the four nitrogenous bases that are attached to a sugar molecule<span> on each </span>side of the ladder<span>. When a phosphate, a sugar and a base form an attachment, they create a sub-unit of </span>DNA<span> called a nucleotide. Each nitrogenous base is held together by a hydrogen bond.</span>
<span>Animals and plants need to maintain homeostasis to function properly. is True</span>
Answer:
Hola! :) El nombre cientifico del estudio cientifico de las poblaciones humanas es llamado demografia
Explanation:
Espero que esto ayude :)
Answer: Level of organization from electron to an organism is shown in the figure, have a look on it will help you a lot.