Both and heavy chain genes and κ light chain genes______.
A: are found near each other on the same chromosome
B: begin rearrangement by joining a V to a J region
C: will have the extra J regions copied into the primary transcript
D: with have the extra upstream VL regions copied into the primary transcript
E: have two membrane-spanning exons at the 3’ end of each of the constant regions
A: are found near each other on the same chromosome
B: begin rearrangement by joining a V to a J region
C: will have the extra J regions copied into the primary transcript
D: with have the extra upstream VL regions copied into the primary transcript
E: have two membrane-spanning exons at the 3’ end of each of the constant regions
举一反三
- If two genes from a parent cell are on the same chromosome, which of the following best explains why the daughter cells may not have the same alleles as the parent for both genes? A: they are linked genes B: they are unlinked genes C: crossing-over D: genetic mutation
- Supply chain coordination requires each stage of the supply chain to take into account the impact its actions have on other stages.
- During gene rearrangement, the δ gene of the TCR can ________. A: leave out the D region entirely B: wind up with one D region C: incorporate two D regions D: "leave out the D region entirely" and "wind up with one D region" E: "wind up with one D region" and "incorporate two D regions" F: "leave out the D region entirely", "wind up with one D region" and "incorporate two D regions"
- Supply chain coordination requires each stage of the supply chain to take into account the impact its actions have on other stages. A: 正确 B: 错误
- John and I have just been telling stories two of us. A: ourselves B: to each other C: each of us D: both