Which of the following describes an accurate order of events in<br/>translation?() A: Ribosomal translocation occurs before the first aminoacyl-tRNA<br/>molecule binds to the small subunit. B: Initiation of translation occurs only after the small subunit<br/>dissociates from the mRN C: The large subunit of the ribosome binds the mRNA before the small<br/>subunit. D: The first aminoacyl-tRNA molecule binds to the small subunit before<br/>the large subunit binds.
Which of the following describes an accurate order of events in<br/>translation?() A: Ribosomal translocation occurs before the first aminoacyl-tRNA<br/>molecule binds to the small subunit. B: Initiation of translation occurs only after the small subunit<br/>dissociates from the mRN C: The large subunit of the ribosome binds the mRNA before the small<br/>subunit. D: The first aminoacyl-tRNA molecule binds to the small subunit before<br/>the large subunit binds.
亚单位疫苗(subunit vaccine)
亚单位疫苗(subunit vaccine)
Which of following subunit is mainly responsible to catalyze the synthesis of ATP in ATP synthase?
Which of following subunit is mainly responsible to catalyze the synthesis of ATP in ATP synthase?
中国大学MOOC: During the import of proteins into the nucleus, the a importin subunit binds directly to
中国大学MOOC: During the import of proteins into the nucleus, the a importin subunit binds directly to
The function of β subunit of polymerase is A: Template binding B: Catalytic binding C: Promoter binding D: Cation binding
The function of β subunit of polymerase is A: Template binding B: Catalytic binding C: Promoter binding D: Cation binding
Which of the following is composed of a large and a small subunit? () A: Golgi apparatus B: endoplasmic reticulum C: mitochondria D: Ribosome
Which of the following is composed of a large and a small subunit? () A: Golgi apparatus B: endoplasmic reticulum C: mitochondria D: Ribosome
Which of the following statements about RNA polymerase II is wrong? A: It makes mRNA precursors B: It is strongly inhibited by a-amanitin C: It is composed of several subunits D: It has high frequency phosphorylation of the CTD in the maximum subunit<br/>during initiation
Which of the following statements about RNA polymerase II is wrong? A: It makes mRNA precursors B: It is strongly inhibited by a-amanitin C: It is composed of several subunits D: It has high frequency phosphorylation of the CTD in the maximum subunit<br/>during initiation
Which of the following statement about RNA polymerase in prokaryotes is correct: A: Holoenzyme is composed of five subunits (ααββ′σ) B: Any subunit of holoenzyme cannot bind to DNA separately in vivo C: Core enzyme consists of five subunits(ααββ′ω) D: σ factor helps RNA polymerase to recognize promoter
Which of the following statement about RNA polymerase in prokaryotes is correct: A: Holoenzyme is composed of five subunits (ααββ′σ) B: Any subunit of holoenzyme cannot bind to DNA separately in vivo C: Core enzyme consists of five subunits(ααββ′ω) D: σ factor helps RNA polymerase to recognize promoter
Which of the following statements about the σ subunit of RNA polymerase is wrong? () A: It enables the enzyme to transcribe asymmetrically. B: It confers on the core enzyme the ability to initiate transcription at promoters. C: It decreases the affinity of RNA polymerase for regions of DNA that lack promoter sequences. D: It facilitates the termination of transcription by recognizing hairpins in the transcript.
Which of the following statements about the σ subunit of RNA polymerase is wrong? () A: It enables the enzyme to transcribe asymmetrically. B: It confers on the core enzyme the ability to initiate transcription at promoters. C: It decreases the affinity of RNA polymerase for regions of DNA that lack promoter sequences. D: It facilitates the termination of transcription by recognizing hairpins in the transcript.
Which of the<br/>following statement about RNA polymerase in prokaryotes is<br/>correct:() A: Holoenzyme is composed of five subunits (ααββ′σ) B: Any subunit of<br/>holoenzyme cannot bind to DNA separately in vivo. C: Core enzyme<br/>consists of five subunits(ααββ′ω) D: σ factor can<br/>catalyze the synthesis of RNA E: σ factor<br/>helps RNA polymerase to recognize promoter
Which of the<br/>following statement about RNA polymerase in prokaryotes is<br/>correct:() A: Holoenzyme is composed of five subunits (ααββ′σ) B: Any subunit of<br/>holoenzyme cannot bind to DNA separately in vivo. C: Core enzyme<br/>consists of five subunits(ααββ′ω) D: σ factor can<br/>catalyze the synthesis of RNA E: σ factor<br/>helps RNA polymerase to recognize promoter