Answer: b. to form RNA molecules form DNA
The answer is that they have traits that enabled them to survive in a changing environment.
During the evolution of the Earth, and later during the evolution of life, the environment was not constant. Change in the environment could lead to an extinction of some species. But, some species were able to adapt or could tolerate a wide range of environmental factors. One of the explanation, why unicellular organisms did not evolve into complex multicellular organisms is because they have traits that help them to tolerate the wide range of factors, and thus, survive in changing environment.
Answer:
Inhibitors of cyclin-dependent kinases might play a role in regulating the concentration of cyclin in the cell cycle.
Explanation:
The presence of inhibitors of cyclin-dependent kinases has a great importance because it controls the concentration of cyclin that is necessary for the cell cycle. If inhibitors of cyclin-dependent kinases is absent , the amount of cyclin increases in the cell formation and cause a great damage to the cell cycle and the cell which is produced is abnormal or other irregularities.
The first one is atoms cause they are all the same type of particles. The blue one is the molecules that is not compound cause they aren't connected to each other. The other two are compound cause two atoms of two different elements are bonded together.
