【单选题】长期从事砂尘作业所引起的以肺组织纤维化病变为主的全身性疾病称
【单选题】下列不属于萨顿提出的“基因位于染色体上”这一假说的科学依据是: [ ]
A.
产生配子时非同源染色体自由组合,非同源染色体上的基因也随之自由组合
B.
产生配子时,姐妹染色单体分开,等位基因也随之分离
C.
染色体和基因在杂交过程中均保持完整性和独立性
【单选题】Which of the following statements is FALSE,concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________.
A.
The compartment must be properly ventilated
B.
The temperature of the room should never exceed 130℉
C.
The door must be kept unlocked
D.
The compartment shall be clearly marked and identifiable
【简答题】泛素蛋白酶体途径(ubiquitin proteasome pathway,UPP)
【单选题】By 'patristic', the author means ______.
D.
pertaining to the Christian Fathers
【单选题】长期从事砂尘作业所引起的以肺组织纤维化病变为主的全身性疾病称
【单选题】Pertaining to the head:
【单选题】若以被子植物起源的真花学说为依据,那么下列类群最早出现的是