I’m guessing . . .
1. Roses
2. Stamens
3. Bone
4. Heart
Answer:
four oxygen molecules
Explanation:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
Answer:
Hoy en día, podemos incorporar nuevos genes de una especie en una especie completamente no relacionada a través de la ingeniería genética, optimizando el rendimiento agrícola.
Viruses are not considered living because they cannot survive without a host organism, and they do not exhibit the characteristics of life.
Answer:
Cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Explanation:
