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"
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"
举一反三
- Which of the following regions is the center of America’s iron and steel industry?( ) A: The South Region B: The Pacific Costal Region C: The Midwest Region D: The Northeastern Region
- This region was _____ the most prosperous one in the world.
- In a one-tailed hypothesis test:? the rejection region is in only one of the tails of a distribution.|the rejection region is split between the tails of a distribution.|the area of the rejection region equals the p-value.|the area of the rejection region is twice the value of the p-value.
- The three region of pulse palpation on the wrist refers to A: Cun Region B: Guan Region C: Root Region D: Chi Region
- Which region is famous for its education? A: the Midwest Region B: the Middle Atlantic region C: the New England region D: the South region