What is aggregate ? Of which items pictured is aggregate a major component ?

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

What is the one part of the nucleotide  that differs among the other different nucle  tides?