In eukaryotes, ribosomes get their orders for protein synthesis from the nucleus, where portions of DNA (genes) are transcribed to make messenger RNAs (mRNAs). An mRNA travels to the ribosome, which uses the information it contains to build a protein with a specific amino acid sequence.
The top 10 causes of death. Top 10 causes of death worldwide. Of the 56.4 million deaths worldwide in 2015, more than half (54%) were due to the top 10 causes. Ischaemic heart disease and stroke are the worldâs biggest killers, accounting for a combined 15 million deaths in 2015. These diseases have remained the leading causes of death globally in the last 15 years.
Learn what science has discovered so far about what happens when we die. Death is a subject many people do not like to discuss, but itâs a part of life that we will all have to face. Sometimes the more you know about a certain subject, the less frightening it becomes. Here are 10 things you may not know about dying. 1. Dying is often a process. There are numerous causes of death, many of which are instant. For people who know death is approaching â whether from sickness or old age â there are certain signs.