Q39. Which of the following are energy requiring processes?(A) Facilitated diffusion(B) Active transport(C) Nonmediated transport(D) Na+/K+ transport Energy Requiring Processes in Cell Membrane Transport: Active Transport Explained Energy requiring processes […]
Q38. Anti–B antibodies are present in the serum of ________(A) Blood group A(B) Blood group B(C) Blood group AB(D) Blood group O Anti-B antibodies are present in the serum of blood […]
Q37. Which of the following lipids is non–ionic?(A) Sphingomyelin(B) Galactocerebroside(C) Lecithin(D) Phosphatidyl inositol Galactocerebroside is the non-ionic lipid among the options. It lacks charged groups, unlike the others which contain phosphate-based […]
Q36. Which one of the following cells lack hypoxanthine–guaninephosphoribosyltransferase (HGPRT)?(A) B Cell(B) T Cell(C) Macrophage(D) Myeloma Cell Myeloma cells lack hypoxanthine-guanine phosphoribosyltransferase (HGPRT). This enzyme deficiency is a key feature in […]
Q35. Which one of the following antibiotics can form an ion channel in the bacterial membrane? (A) Ampicillin (B) Gramicidin A (C) Gentamicin (D) Rifampicin Gramicidin A is the antibiotic […]
Q34. In hepatocytes, the detoxification of drugs occurs in ______ (A) Golgi apparatus (B) Nucleolus (C) Rough endoplasmic reticulum (D) Smooth endoplasmic reticulum Smooth endoplasmic reticulum is the site of […]
Q33. Which one of the following enzymes is used in Polymerase Chain Reaction ?(A) Klenow fragment(B) Taq polymerase(C) T7 polymerase(D) Primase Taq polymerase is the enzyme used in Polymerase Chain […]
Q32. Telomerase has a function similar to __________(A) DNA dependent DNA polymerase(B) RNA polymerase(C) DNA gyrase(D) Reverse transcriptase Telomerase functions as a reverse transcriptase enzyme. This ribonucleoprotein complex uses its RNA […]
Q31. The non–coenzyme vitamin is ________(A) Ascorbic acid(B) Folic acid(C) Nicotinic acid(D) Thiamine Ascorbic acid is the non-coenzyme vitamin among the options. Unlike the B vitamins listed, it primarily functions as […]
Q30. pKa value of the guanidinium group of Arginine is _____(A) 4.30(B) 7.40(C) 9.20(D) 12.50 The pKa value of the guanidinium group of Arginine is 12.50 (Option D). This matches standard […]
