tRNA分子3'-末端的碱基序列是 A: CCC-3' B: AAA-3' C: AAC-3' D: CCA-3' E: AAT-3'
tRNA分子3'-末端的碱基序列是 A: CCC-3' B: AAA-3' C: AAC-3' D: CCA-3' E: AAT-3'
【单选题】AAT装置按动作次数分,有()装置。 A. 一次AAT B. 二次AAT C. 多次AAT
【单选题】AAT装置按动作次数分,有()装置。 A. 一次AAT B. 二次AAT C. 多次AAT
tRNA分子3'-末端的碱基序列是 A: CCC-3'OH B: AAA-3'OH C: AAC-3'OH D: CCA-3'OH E: AAT-3'OH
tRNA分子3'-末端的碱基序列是 A: CCC-3'OH B: AAA-3'OH C: AAC-3'OH D: CCA-3'OH E: AAT-3'OH
Let A be a n×n matrix, then ( ) A: AAT =ATA. B: det(AAT ) = det(AT A). C: if det(A) = 0, then A is invertible. D: if det(A) = 0, then AT is invertible.
Let A be a n×n matrix, then ( ) A: AAT =ATA. B: det(AAT ) = det(AT A). C: if det(A) = 0, then A is invertible. D: if det(A) = 0, then AT is invertible.
Let A be an m×n matrix, then ( ). A: AAT =ATA. B: if rank(A) = m, then AT A is invertible. C: if rank(A) = n, then AAT is invertible. D: if rank(A) = n, then AT A is invertible.
Let A be an m×n matrix, then ( ). A: AAT =ATA. B: if rank(A) = m, then AT A is invertible. C: if rank(A) = n, then AAT is invertible. D: if rank(A) = n, then AT A is invertible.
AAT装置的主要作用是
AAT装置的主要作用是
AAT在什么情况下才会动作?
AAT在什么情况下才会动作?
AAT装置应该保证只动作一次
AAT装置应该保证只动作一次
在下列哪种场合,AAT装置才会动作()?
在下列哪种场合,AAT装置才会动作()?
AAT的遗传表型以哪型最多()
AAT的遗传表型以哪型最多()