Mature red blood cells in mammals contain the protein hemoglobin but do not contain a nucleus. The nucleus is lost as the red blood cell matures.
Which of the following can be concluded about mammalian red blood cells from this information?
a. The cells store their DNA in ribosomes.
b. The cells have no functionality once the nucleus is lost.
c. The cells divide by meiosis to produce more red bloods cells.
d. The cells perform transcription and translation before the nucleus is lost.