USMLE Lesson on Biochemistry Nutrition: Zinc Deficiency, the functions of zinc, including its role as zinc fingers transcription factor motifs, and zinc deficiency symptoms
In this lesson, we will explain the differences between the upper and lower respiratory system and the differences between upper respiratory tract infections and lower respiratory tract infections.
What makes something living? What are the characteristics of living things? All life has a common origin, but how do we know? This lesson examines various characteristics that define life and the origin of life. Various famous scientists and their biological discoveries are also discussed.