How is it that the intracellular levels of `K^+` are higher than extracellular levels in animal cells?

How many Golgi bodies are present in the animal cells?

The physicists think at a level for higher than a normal individual. Is it true ?

How is diversity at all levels generally conserved?

Increase in concentration of pollutants at higher trophic levels is called

How many levels are there in normal food chain?

How does our body maintain blood sugar level?

How does cytokinesis in plant cells differ from that in animal cells?

With the reference to the following figure of stages of a microspore maturing into a pollen grain, answer the question. What is the ploidy level of vegetative or tube cell and generative cell ?