The flattening of our solar system likely helped changed random motions into more orderly ones
B, a nucleus. Nuclei are membrane-bound organelles inside eukaryotic organisms. Eukaryotes are protists, fungi, plants, and animal cells. A bacteria is not a eukaryote, it is a prokaryote, so it does not have the membrane-bound structure of the nucleus.
Be careful, though, bacteria still have DNA. It is simply located in the center of the cell and is not encased in a membrane.
Megaloblastic anemia is characterized by red blood cells that are larger than normal.
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Megaloblastic anemia is a type of anemia in which the number of erythrocytes (red blood cells) is lower than normal and their size is higher than normal. Because of their size, erythrocytes may not be able to exit the bone marrow and to enter the bloodstream and deliver O2.</span>
