The queue for the tourist taxis outside the arrivals area of the airport is immediately obvious. The current price for a taxi from the airport to the centre of Havana is 25 CUC (Cuban Pesos Convertibles). It is a 25-30 minute drive (depending on traffic) into the city. Official taxis in Havana run on a conventional taxi-meter, and you are expected to pay the price stated on this meter at the end of your trip.
present in low concentrations, Chlamydomonas activates its sexual cycle and the cells differentiate into gametes, each vegetative cell becoming a single gamete. Some species and strains also require blue light as
Functions of Chloroplasts. Chloroplasts are membrane-bound plastids containing chlorophyll, thylakoids, grana, and their own set of DNA molecules dispersed in the stroma. Each component of a chloroplast has a unique role in photosynthesis and photorespiration.hloroplasts -- the kitchens of plant cells -- are the key organelles for the nourishment of plants and other autotrophs. They are also the sites for nitrogen fixation, the reactions of which are interconnected with the processes of photosynthesis and photorespiration, and play a protective role in plant cells.