A polymer is a large molecule, or ___________, composed of many repeated subunits.
A: superglue
B: superconductor
C: elastomer
D: macromolecule
A: superglue
B: superconductor
C: elastomer
D: macromolecule
举一反三
- 下列（）为聚合物。 A: monomer B: polymer C: molecule D: atom
- Each type of cytoskeletal component is composed of simple protein subunits that associate noncovalently to form filaments of uniform thickness.
- 翻译句子：It is essentially the“giantness”of the size of the polymer molecule that makes its behavior different from that of a commonly known chemical compound such as benzene.
- 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 1 is correct ( ) A: Composed of 8~16 subunits B: The transcription product is rRNA C: Located in the nucleolus D: Sensitive to α-Amanita