Cancer cells secretes chemicals such as VEGF for angiogenesis, whose target cells are (1) B-cells (2) Platelets (3) RBC (4) Endothelial cells SEO Article: VEGF and Its Target Cells in […]
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Cancer
Multidrug Resistance in Cancer: Role of ABC Transporters in Drug Efflux
7. Multidrug resistance in cancerous cell is due to- (1) Efflux of drugs across membrane due to ABC transporters (2) Influx of drugs across membrane due to ABC transporters (3) […]
Cancer
What are c-oncogenes? Understanding Their Role in Cancer
Which statement is correct regarding c-oncogenes? (1) They are viral genes (2) They gain of function mutant form of normal genes promoting cell division (3) They are mutated viral genes […]
Cancer
Which Gene is Not Directly Concerned with Cancer Induction? Understanding Src, Ras, P53, and Actin
5. Among the following which gene is not directly concerned with induction of cancer (1) Src (2) Ras (3) P53 (4) Actin SEO Article: Which Gene is Not Directly Concerned […]
Cancer
What is Gain of Function? Explained with Examples
Among the following which correctly represents “gain of function”- (1) Binding of RNA polymerase to promoter (2) Over-expression of any gene (3) Presence of basal transcription sequences (4) Expression at […]
Cancer
Why Methotrexate and DNA Synthesis Inhibitors Are Key in Cancer Treatment
Drug such as methotrexate which inhibit DNA synthesis are generally used for treatment of cancer because- (1) Cancer cells are converted into normal cells (2) Drugs act on all rapidly […]
Cancer
Understanding Angiogenesis: How New Blood Vessels Feed Malignant Tumors
The growth of new blood capillaries toward malignant tumors is termed as- (1) Angiogenesis (2) Metastasis (3) Carcinogenesis (4) Morphogenesis SEO Content: Understanding Angiogenesis in Malignant Tumor Growth Angiogenesis is […]
Cancer
How Tumors Are Classified: Understanding Types by Tissue or Cell of Origin
Tumors are generally classified by (1) the virus which caused them (2) the person who discovered them (3) their metastatic ability (4) the tissue or cell of origin SEO Content: […]
CSIR NET Life Science Previous Year Questions and Solution cell biology
Sharp Thresholds in Bacterial Gene Expression: How Cooperativity Drives Response Regulator Function
A bacterial response regulator turns on gene A in its phosphorylated form. The amount of “A” shows a sharp and sleep rise at a threshold concentration of the signal sensed […]
CSIR NET Life Science Previous Year Questions and Solution cell biology
Conserved Aspartic Acid: Key Residue in Plant Two-Component Response Regulators
79. Which one of the following amino acids is characteristics of and is conserved in response regulator of plant two component systems? (1) Aspartic acid (2) Glutamic acid (3) Tyrosine […]
