Some of the more persistent wildlife and animals that visit gardens includes raccoons, deer, moles, rabbits, cats and dogs. One of the best ways to keep wildlife and other animals out of the area is to place plants the animals dislike around the outside of the garden or landscaping.
Home Â» Biology Â» Antigenic shift Antigenic shift Antigenic shift is the process by which two different strains of influenza combine to form a new subtype having a mixture of the surface antigens of the two original strains. Because the human immune system has difficulty recognizing the new influenza strain, it may be highly dangerous.
The sickle cell mutation results in the substitution of the amino acid valine for glutamic acid in the sixth position of the beta polypeptide. In turn, this alters the conformation of the hemoglobin molecule and causes the red blood cells to assume a characteristic sickle shape under certain conditions.he sickle cell mutation results in the substitution of the amino acid valine for glutamic acid in the sixth position of the beta polypeptide. In turn, this alters the conformation of the hemoglobin molecule and causes the red blood cells to assume a characteristic sickle shape under certain conditions.