With regard to enzymes, what can be said to be the relationship between the substrate and the active site?
a) one (or multiple) substrates can bind to the active site and is changed into product(s).
b) every active site will always accept multiple substrates in order to produce a new product.
c) the active site of an enzyme combines with the substrate, when a product is given to the enzyme, producing a new molecule.
d) a specific product fits into the active site of an enzyme. the enzyme then breaks down the product to make a new substrate.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

answer; ///blank(1); green bananas; blank(2); raw potatoes;