The first response that neutrophils make to inflammatory signals is to ________.
A: modify their gene expression
B: begin sticking to capillary endothelium
C: activate the proteins in their lysosomes
D: begin rapid cell division
E: burst, releasing antimicrobial compounds
A: modify their gene expression
B: begin sticking to capillary endothelium
C: activate the proteins in their lysosomes
D: begin rapid cell division
E: burst, releasing antimicrobial compounds
B
举一反三
- Where can pericyte be found？ A: Between the small artery endothelium and basement membrane B: Between the arteriole endothelium and basement membrane C: Between the capillary endothelium and basement membrane D: Outside the capillary basement membrane E: Between the lymphatic capillary endothelium and basement membrane
- The structure that constitutes the blood-testis barrier does not include A: capillary endothelium and basement membrane B: cell connection between spermatogonium C: tight juntion between sustentacular cell D: spermatogenic epithelial basement membrane
- 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
- In the first paragraph, the expression “start on the right<br/>foot” means “_______.” A: begin successfully B: walk quickly C: wear comfortable shoes D: get in at the right time
- The first tomb was built at the _____(begin) of the 15thcentury.
内容
- 0
Cell organelles are located within the ____ of the cell. A: nucleus B: cytoplasm C: Cell membrane D: lysosomes
- 1
When did the Chinese people begin to make wine with grain ?
- 2
________, you must continue. A: Once you begin B: When you begin C: Once you will begin D: While you begin
- 3
Which are the stages of cell signaling in the correct order? A: reception > transduction > response B: transduction > response > signal C: differentiation > expression > transduction D: reception > expression > phosphorylation
- 4
What is the main idea of the passage() A: How did stamps begin t6 be used B: Why were postmen sent to get postage C: When did people first begin to use stamps D: Who was the first to think of using stamps