It's common after heart surgery to be sad or blue, but these feelings should pass after the first few weeks. If they don't, talk to your doctor about it. To keep your spirits up: Get dressed every day. Walk daily. Pick up your hobbies and social activities. Share your feelings with others. Get a good night's sleep. Limit visits to 15 minutes at first.
Eukaryotes. Eukaryotes are organisms made up of cells that possess a membrane-bound nucleus (that holds genetic material) as well as membrane-bound organelles. Genetic material in eukaryotes is contained within a nucleus within the cell and DNA is organized into chromosomes.
Most of the DNA in eukaryotes is found in the nucleus, while prokaryotes, lacking a nucleus, have their DNA loose in the cytoplasm. Explanation: In eukaryotes, the genomic DNA, which makes up most of the cells DNA, is contained in the nucleus. There is additional DNA in the cells mitochondria, and still more in the chloroplast if it is a plant cell, but it is a very small amount.