<span>the cell is the basic unit of a living the</span> cellular level of an organism is where the metabolic processes occur and keep the organism alive that's why it is referred to the basic unit of a living thing
The same number <span>chromosomes are there in a maize egg cell nucleus as compared to a maize pollen cell nucleus</span>
Prophase 1, where crossing over occurs and DNA is already replicated
<span>A psychological response to an out-of-the-ordinary stressor defines the posttraumatic stress disorder (PTSD).
When people are exposed to a traumatic event, such as war, or sexual assault, or generally any type of threat or tragedy, they may develop PTSD as a result. This means that the person will still have strong and negative emotions, such as fear, or hatred, months or years after the event occurred, and it is very difficult to treat.
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Monomers bind chemically to other molecules to form polymers