Select the statement about red blood cells that is incorrect.

题型说明:每个题目只有一个正确选项 4.(2.0分) Select the statement about red blood cells that is incorrect.
A. Red blood cells lack mitochondria.
B. Deoxyhemoglobin carries oxygen.
C. Red blood cells contain hemoglobin.
D. Mature red blood cells lack nuclei.

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