U just check a few of them and pretty much close the app then they should be cleared :)
If element X has 15 protons, it would also have 15 electrons.
The first to observe and describe cells, by noting that the cells in a wine cork resembles the living quarters of monks or prisoners was <span>Scientist Hooke he
was once in jail and that may have been one of the reasons he made the
connection to the cells shape and called them what they are today.</span>
Answer:
Separation of homologous chromosomes occurs after the formation of tetrads, during anaphase I of meiosis. ... Both divisions require the condensation of chromosomes and eventual cytokinesis to produce daughter cells. Sister chromatids are separated during anaphase of mitosis, and during anaphase II of meiosis.
The answer to your question is hemoglobin