In drosophilia, the gene for eye color is located on the x chromosome.
Water or other molecules move down their concentration gradient without any energy.........
difference - simple diffusion uses help of transporting protein in the membrane whereas osmosis uses no help.
In order for plants to assimilate nitrogen directly into their system, the nitrogen must be in the form of nitrates. Nitrogen in the air and ammonia from decayed matter in the soil is converted to ammonium by decomposers and nitrogen-fixing bacteria. The ammonium is further nitrified to nitrates by nitrifying bacteria. Finally, the nitrates can then absorbed by the plants.
Answer:
I think it's A
Explanation:
becasue the first step of the process doesn't involve tRNA
Desert ecosystems.
Explanation
It’s very dry in the Southwest. They get hardly any precipitation and it’s very hot.
