Seren is attempting to get into her house but is having some difficulty as her key won’t fit in the lock. In anger, she questions what is wrong with her lock and key. Alfred, the science app, responds ...

Enzymes help with specific functions that are vital to the operation and overall health of the body. They help speed up chemical reactions in the human body. They are essential for respiration, ...

Researchers devised a reversibly lockable DNA device for enclosing an enzyme and controlling its access to substrates. Turning on and off the activity of a single enzyme on demand is a much desired ...