Copper deficiency is a rare disease that leads to hematological disorders. It is an essential trace element. It is an essential part of some enzymes (c0-factor) that plays role in cellular respiration. Copper is also an anti-oxidant that scavenges free radicals. In case of cellular respiration copper is responsible for electron transfer of oxygen.
Answer:
The correct answer is- e. I and II only
Explanation:
According to the biological species concept, a species is the population of organism in which the individual are able to interbreed with each other and also able to produce viable and fertile offspring.
Therefore here to determine whether polar bears and grizzlies are different species we have to get information that whether the F1 generation of grizzlies and polar bears is viable and able to produce their own offspring that means are F1 generation fertile. So the correct answer is e. I and II only.
It’s cell wall and chloroplast. We don’t need chloroplast because we don’t make our own food.