The gene for beta-galactosides turns on
An object is in motion if its distance relative to another object is changing. To tell if an object is moving, you use a reference point. If an object's distance from another object [reference point] is changing. A place or object used for comparison to determine if something is in motion.
I'm not too sure if this is what you needed go know, I hope it helped
Answer: They help control what enters and leaves the cell.
Explanation: carbohydrates also help the immune system identify if the cell is foreign or not.
Adding a negative catalyst I’m sure
Halley's Comet. Halley's Comet is the most famous of all comets
Shoemaker Levy-9.
Hyakutake.
Hale Bopp.
Comet Borrelly
IF HELPFUl mark brainliest
