feed-back regulation of nucleotide synthesis
feed-back regulation of nucleotide synthesis
相关考题：
Dense fog comes with bad visibility, fog signal bell must be kept ________at regulation intervalsA.to goB.goingC.goesD.go
Some in the market now want government _____ in order to reduce costs. A regulation ;B regulate ;C regular
The tanker has in operation，except as provided for in Regulation 15(5) and (6) of Annex A of MARPOL 73/78，an oil discharge monitoring and control system and ______ as required.A.an IGSB.a scriberC.a P/VD.a slop tank arrangement
By regulation，cargo tank atmosphere must be inert before and during which operation ________．A.StrippingB.LoadingC.CleaningD.All of the above
What is the purpose of pressure-vacuum relief valves ________．A.Regulation of discharge pressure from cargo pumpsB.Maintaining constant velocity in cargo linesC.Regulation of suction head on cargo pumpsD.To maintain a tank or void at atmospheric pressure
It can be inferred from the last paragraph of the passage that the chairperson who resigned from the panel to develop a coordinated federal program for radiation regulation most likely did so because( ) A.he or she disagreed with the findings of the Senate committee B.regulatory efforts have been balked by disputes，confusion，and bureaucratic delays C.he or she supported the position of the National Academy of Sciences Committee and opposed regulation of radiation exposure D.he or she was disorganized and inconsistent in chairing the panel
Small， medium， and large businesses today are increasingly using "Green" products within their IT Environments. What are the most significant factors propelling this change？（）A、Government regulation and environmental effectsB、Cost of power consumption and environment effectsC、Government regulation and cost of power consumptionD、Environmental effects and low cost of product
单选题By regulation，your cargo vessel must have（）.Asufficient facilities for the crew to wash their clothesBa wash basin in each roomCseparate toilet facilities for engineers where their number exceeds sixDAll of the above
单选题By regulation，you MUST keep a record of the use of your radiotelephone for a minimum of（）.Asix monthsBone yearCtwo yearsDthirty months
单选题If a vessel moored at a U-Sterminal does not comply with coast guard pollution prevention regulation, it may be detained by the （）AInspector generalBCaptain of the portClocal port authorityDstate pollution board
单选题Nearly every hospital has the same unwritten regulation—the badly wounded have priority for medical attention ______those only slightly hurt.AoverBtoCbeyond Dfor
单选题By regulation，cargo tank atmosphere must be inert before and during which operation?（）AStrippingBLoadingCCleaningDAll of the above
单选题According to the regulations，normally，manholes in LFG tanks are located（）.Ain the ends of each tankBin the expansion trunk of each tankCabove the weather deckDthere are no requirements in the regulation
单选题By regulation，orange smoke distress signals will expire not more than how many months from the date of manufacture?（）A24 monthsB36 monthsC42 monthsD54 months
单选题Factors leading to the crisis included poor regulation, mismanagement and deception in the industry, and competition from other types of financial firms.AcheatingBpollutionCabuseDdepression
单选题New adopted regulation of master shall（）when maintaining the security of the ship.Atake actions by he company’s orderBtake actions by the ship owner’s orderCexercise his professional judgmentDexercise his professional judgment but be constrained by the company
单选题Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake，Governments of Parties to the Convention should，to the extent they are reasonably able to do so，promptly（）the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.AobserveBinvestigateCseeDlook
单选题Notwithstanding the provisions of this Regulation，the segregated ballast conditions for oil tankers less than 150 meters in length shall be to the（）of the Administration.AcontractBcharter partyCsatisfactionDagreement