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
Chromatin structure and function: a guide. Related. Chromatin is comprised of histones and DNA: 147 base pairs of DNA wraps around the 8 core histones to form the basic chromatin unit, the nucleosome. The function of chromatin is to efficiently package DNA into a small volume to fit into the nucleus of a cell and protect the DNA structure and sequence. Packaging DNA into chromatin allows for mitosis and meiosis, prevents chromosome breakage and controls gene expression and DNA replication.