Asumiendo que un filete de ternera posee una alta cantidad de proteinas; un plato de patatas guisadas una alta cantidad de hidratos de carbono y que la panceta es extremadamente rica en lipidos calcula la energia aproximada que nos prporcionan 100 g de cada uno de los alimentos anteriores. Expresala en kcal y en kj

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

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.

answerblank(1) unconditioned stimulusblank(2); unconditioned response