Đơn vị đo độ dài phân tử DNA? Angstrom

How does food concentration affect yeast activity

Explain the causes and effect of damage to the genetic code.

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple