What Is An HFR Strain?

What Is An HFR Strain? Definition. A strain of bacterial that possesses the F factor Why are Hfr strains important? By using Hfr and F− strains with one strain carrying mutations in several genes, each affecting a metabolic function or causing antibiotic resistance, and examining the phenotype of the recipient cells on selective agar plates,

What Was Frederick Griffith Experiment?

What Was Frederick Griffith Experiment? Griffith’s experiment, reported in 1928 by Frederick Griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation. What was Griffith’s experiment and why was it important? Griffith’s famous 1928 experiment showed us that bacteria can distinctly change their function and

How Tall Does Pineapple Express Grow?

How Tall Does Pineapple Express Grow? Pineapple Express gets a little bigger when grown under direct sunlight, about 120-170cm tall. Having medium-tall plants like this is usually a good compromise between visibility and high yields. Guerilla gardeners might appreciate this trait. How do you grow Pineapple Express outside? Indoor/outdoor: Grows well indoors, but will also