Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.

I only buy grass-fed or organic meat, and so the price can be double that of the mass-produced variety.

In your life, you will encounter a variety of opponents, but do not worry, because the enemy is a double-edged sword, may pose a threat to you, but it may also become a driving force for you.