一个人的肌肉细胞和神经细胞的形态特征、功能完全不同，但是二者却具有相同的DNA序列，这是因为 （ ）
A: They actually have different DNA in the two types of cells.
B: The two different cells become mutated
C: The genome of the different cells changes
D: The proteins expressed in each cell are different
A: They actually have different DNA in the two types of cells.
B: The two different cells become mutated
C: The genome of the different cells changes
D: The proteins expressed in each cell are different
举一反三
- A further problem is that the two companies have different markets, different price ranges and different quality standards.
- Type 1 diabetes and type 2 diabetes, the most fundamental difference<br/>is that ( ) A: Different age of onset B: Differences in secretory function of islet B cells C: The severity of the disease is different D: Different treatment methods
- The pluripotent stem cell of the bone marrow produces all blood cells through different lineages via induction of different differentiation pathways. Which one of the following is produced from the same cell line as RBCs A: NK-cells B: B-lymphocytes C: T-lymphocytes D: Basophils E: Platelets
- There are different types of white blood cells that ingest bacteria and non-cellular debris. Through what process is this possible? A: exocytosis B: phagocytosis C: pinocytosis D: facilitated diffusion
- The most fundamental difference between<br/>Type 1 diabetes and type 2 diabetes is that ( ) A: Different age of onset B: Differences in secretory function of islet B<br/>cells C: The severity of the disease is different D: Different treatment methods