Which of the following genes are structural genes? ().
A: The promoter
B: The enhancer
C: The silencing
D: The guide protein synthesis
A: The promoter
B: The enhancer
C: The silencing
D: The guide protein synthesis
举一反三
- Operator: ( ) A: An operator is a DNA region that is working with promoter for genes to express. B: An operator is a DNA region at 5’ of a gene for a repressor to bind to prevent gene expression. C: An operator is a repressor protein to help genes to express. D: An operator is a repressor protein to inhibit genes to express.
- Which of the followings are composite parts? A: Protein generator B: Inverter C: RBS D: promoter E: enhancer
- Which of the following genes cannot be expressed? () A: α B: β C: ψβ D: δ
- Among the following genes, ( ) is the housekeeping gene. A: Ribosomal protein gene B: Hemoglobin gene C: Insulin protein gene D: Ovalbumin gene
- If two genes from a parent cell are on the same chromosome, which of the following best explains why the daughter cells may not have the same alleles as the parent for both genes? A: they are linked genes B: they are unlinked genes C: crossing-over D: genetic mutation