Which of the following is NOT a function of proteins aid in speeding up chemical reactions
aid in transporūng molecules in and out of cells
o aid in fighting infections
aide in providing celular energy to run biological processes
o aid in building tissues, organs and other structural components

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

I’m stuck on this question cuz i’m stupid sksksksk

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.