A scientist is using a microscope to examine a mature red blood cell. The scientist notices that the red blood cell does not have a nucleus. Describe the function of red blood cells in the human body. Then, explain how not having a nucleus helps mature red blood cells perform their function.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

what is the statement?