Which statement is correct about rough ER and smooth ER? 1. Rough ER contains ribosomes, and smooth ER transports materials other than proteins.

2. Rough ER transport materials other than proteins, and smooth ER contains ribosomes.

3. Rough ER contains ribosomes, and smooth ER transports proteins.

4. Rough ER transports proteins, and smooth ER contains ribosomes ​

. ph changes the ability of them he enzyme to dissolve in water.

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.