Which of these organic molecules functions to speed up biological chemical reactions?
a)
lipids
b)
proteins
c)
nucleic acids
d)
carbohydrates

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?