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【多选题】
根据《证券法》规定，下列各项中，属于我国公开发行公司债券应当符合的条件有（ ）。A.
股份有限公司的净资产不低于 3000 万元
B.
有限责任公司的净资产不低于 5000 万元
C.
本次发行后累计公司债券余额不超过最近一期末净资产额的 50%
D.
最近 3 个会计年度实现的年均可分配利润不少于公司债券 1 年的利息
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皮皮学刷刷变学霸
举一反三
【多选题】How can DNA damage temporarily halt progression through G 1 ?
A.
The cell-cycle control system uses several distinct mechanisms to halt progress through the cell cycle if DNA is damaged, and it can do so at various transition points. The mechanism that operates at the G 1 -to-S transition, which prevents the cell from replicating damaged DNA, is especially well understood.
B.
DNA damage in G 1 causes an increase in both the concentration and activity of a protein called p53, which is a transcription regulator that activates the gene encoding a Cdk inhibitor protein called p21. The p21 protein binds to G 1 /S-Cdk and S-Cdk, preventing them from driving the cell into S phase.
C.
The arrest of the cell cycle in G 1 gives the cell time to repair the damaged DNA before replicating it. If the DNA damage is too severe to be repaired, p53 can induce the cell to kill itself through apoptosis, a form of programmed cell death.
D.
If p53 is missing or defective, the unrestrained replication of damaged DNA leads to a high rate of mutation and the generation of cells that tend to become cancerous. In fact, mutations in the p53 gene are found in about half of all human cancers.
【简答题】Dear Not with the Band, Sometimes friends ____ _____ when one person discovers new interests. But don't ____ __. You could talk to John. Tell him why you're worried and that you'll be there for him if...
【单选题】Induced expenditure includes ( ).
A.
induced consumption and government expenditure
B.
induced consumption expenditure and imports
C.
all autonomous expenditure
D.
induced consumption expenditure and exports
【单选题】The most common type of DNA damage repair is
A.
excision repair.
B.
photoreactivation.
C.
suicide enzyme repair.
D.
DNA photolyase.
E.
proofreading repair.
【简答题】中--英 有时,一个人有了新爱好会和朋友渐渐疏远。
【单选题】Overdose/long-term treatment induced actions which damage function of body is
A.
toxic reaction
B.
side reaction
C.
Secondary reaction
D.
Idiosyncrasy
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