Traditionally, the individual was considered to be the smallest unit on which Natural Selection (NS) acts. Today, we usually consider the gene as being the unit of NS. Of course, we should also con…

I currently live in Madrid, Spain. In July there was a loud animal near the river, in an out of town area surrounded by grassland, with trees along the river. It's continued into August, though it…

I only know the vasovagal reflex. I would really appreciate if someone could inform me about the other ones. About the pathologies, I already know the effects of direct nerve damage. I am talking…

Learning ObjectivesState 2 living and 2 nonliving characteristics of viruses.List 3 criteria used to define a virus.Discuss why bacteria can be cultivated on synthetic media such as nutrient broth whereas viruses cannot.Define bacteriophage.Viruses are infectious agents with both living and nonliving characteristics.

The SMUG1 gene codes for the enzyme single-strand selective monofunctional uracil DNA glycosylase. This enzyme can remove uracil from single-strand (unpaired) DNA. (Uracil can occur in DNA due to

I'm from Pennsylvania and I used to get this kale all the time at the grocery store, but I moved to the West Coast recently and can't find it anywhere! It looks exactly like this photo: Image sour…