Ok, so I have relised that ALOT of people have been living in a "what if" world". I have too. Its a world that I advise you to try to break free from. What if they don't like me? what if it looks stup. id? What if .? There are soo many what if's. Well, what if you die tomorrow? What if u regret never doing it? Now of course this doesn't mean go do something that hurts u or anyone else. But I wanted to say this because I wanted ppl to relise what I have relised: Of we keep letting our fears control us, then we will accomplish nothing. And I uderstand that not alot of ppl are even going to read this. I probably wouldn't. "Too many worlds". But if u are the .1119% that did, stop saying what if, and just go do it. What if. all you dreams com true???

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.