Answer:
C .they take up the usable forms of nitrogen found in the soil .
Explanation:
Answer:
Si existe variación en el acervo genético de la población, esto permite que la selección natural actúe sobre los rasgos de la población que permiten la adaptación al ambiente cambiante. Cuanta más diversidad hay en una población, mayor es la probabilidad de que la población pueda adaptarse a los nuevos cambios.
Explanation:
Answer:
D-all of the above
Explanation:
The answer is D because....
- Step one, It is not A Because although the statement is true it is not the best answer to fit the question. The soil does provide nutrients but it also does more, it provides temperature control, anchorage for the plant, and the soil contains oxygen in it to help the plant grow.
- Step two, lets look at B it provides them with water. Although this is true like A, it does more than provide them with water. It provides them a medium for growth.
- Step three, So this answer is not correct because based on the option choices for option D all of the above is correct. It provides them a medium for growth to the plants likings.
- Step four. This is correct because all of the above are true and best explain why soil is important to plants.
Answer:
The structure labeled X in the diagram is a membrane protein.
Explanation:
Membrane proteins are integral parts of the cell membrane that enable the transfer of ions like sodium, potassium and chlorine and small molecules like glucose through the lipid bilayer. They differ from other types of cell proteins by their structure. As you can see on the diagram, hey form channels that enable specific ions or molecules to pass to the other side of the membrane.