a car is traveling at 20 meters per second. If this car travels for 7 seconds how far does it travel in meters

What does it mean for a cell membrane to be selectively permable

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Most enzyme names end in the