Among the following genes, ( ) is the housekeeping gene.
A: Ribosomal protein gene
B: Hemoglobin gene
C: Insulin protein gene
D: Ovalbumin gene
A: Ribosomal protein gene
B: Hemoglobin gene
C: Insulin protein gene
D: Ovalbumin gene
A
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 following do not belong to pathogenic variations of the endogenous genes ( ) A: gene amplification B: abnormal gene expression C: invasion of the foreign genes D: gene arrangement E: point mutation
- The researchers found that______. A: the gene therapy could be verified by animal experiments B: the antitat gene may be artificially produced C: antitat protein functions without causing any side-effects D: antitat gene enhances the human immune system
- The operator is A: Another name for the terminator of a gene B: A DNA site bound by repressor proteins C: A protein that coordinates gene expression D: A part in the leader region of mRNA
- Consider the TCR genes. The α gene has _______ V gene regions than does the γ, and the α <br/>gene has ______ C gene regions than does the β gene. A: fewer; fewer B: fewer; the same number C: more; fewer D: more; the same number
内容
- 0
降解物基因活化蛋白（Catabolic gene activator protein）
- 1
Which of the following methods is not included in gene diagnosis? A: Gene targeting B: PCR C: Nucleic acid hybridization D: Gene chip
- 2
The gene that encodes Factor VIII, a protein that functions in the blood-clotting pathway, contains ___ exons. Mutations in this large gene are responsible for the most prevalent form of the blood disorder hemophilia.
- 3
The base substitution in the coding region of the gene must lead to the change of protein structure
- 4
1.以下哪几项属于中度重复序列（ ） A: rRNA gene B: tRNA gene C: ncRNA gene D: 组蛋白gene