Cell therapies are more complicated than drugs, and hES cells, which have the potential to become any cell type in the body, carry special risks.
举一反三
- All present-day cells are believed to have evolved from an ancestral cell that existed more than ________ years ago.
- In the following cells, which cell is derived from monocytes A: fibroblast B: macrophage C: mast cell D: plasma cell E: fat cell
- Which of the following cells can not be found in the skin? A: Merkel cell B: Kupffer cell C: Langerhans cell D: Melanocyte
- Phagocytosis is the process by which a cell, such as a white blood cell, ingests microorganisms, other cells, and foreign particles._____
- 4.{Examination of a normal peripheral blood smear reveals a cell more than twice the diameter of an erythrocyte with a kidney-shapednucleus. There cells are < 10% of the total leukocytes. Which of thefollowing cell types is being described?} A: Monocyte B: Basophil C: Eosinophil D: Neutrophil E: Lymphocyte