What does it mean to be a “carrier” for a trait? what would be the genotype of someone who is a carrier for passing on the trait of not being able to roll the tongue?

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Isolated volcanic peaks on the ocean floor are

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute