A noncoding DNA sequence in or near a gene required for proper spatiotemporal expression of that gene
选项:
A:
Alternative splicing
B:
cis regulatory element
C:
Gene families
D:
Multicopy genes
Alternative splicing
cis regulatory element
Gene families
Multicopy genes
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Acceptable variations in the ‘normal’ DNA and protein sequences
B:The exchange of DNA between chromosomes during meiosis.
C:The movement of a ribosome from one reading frame to another at an internal position within a gene
D:A DNA repair process that corrects various types of DNA damage by excising and resynthesizing a region of polynucleotide
E:Permanent, heritable alterations in the base sequence of the DNA.
Massage therapy
B:Music therapy
C:Chemotherapy
D:Gene therapy
It is regarded as the earliest realistic literature in China.
B:It has provided a deep insight into all aspects of social life of the Zhou dynasty.
C:It has always been worshipped by scholars and has become a cultural gene
D:It displayed considerable sympathy for the sufferings of the common people.
DNA polymerases control transciption
B:Transcription uses both strands DNA to make mRNA
C:The three stages of transcription are initiation, elimination, and reduction
D:Transcription occurs for individual genes
A、requires
B、requiring
C、required
D、are required
nitrogen
B:oxygen
C:hydrogen
D:carbon