Pour utiliser l’azote de l’air, certaines plantes sont associées à des bactéries présentes : Veuillez choisir une réponse : a. dans leurs feuilles. b. dans leurs tiges. c. dans leurs fleurs. d. dans leurs racines.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind

How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.