Gametogenesis, the production of sperm and eggs, involves the process of meiosis. During meiosis, two nuclear divisions separate the paired chromosomes in the nucleus and then separate the chromatids that were made during an earlier stage of the cell's life cycle.
2nd choice is the correct one
<span>ASEAN is an Association of Southeast Asian Nations - a multination association that has as its aim an economic cooperation between Southeast Asian countries (such as Thailand). This association did not arise as a response to external factors, so any reason connected to externam factors would not apply - such as the reliance on some external powers (such as the US). It is focused on the cooperation between the members only - not an external association.</span>
Ans: Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell.
Phospholipid can occur in a polar cell.
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