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Q.71 Teichoic acid is composed of repetitive units of (A) keto-deoxy octanoic acid (B) glucose (C) 𝑁-acetyl glucosamine (D) glycerol Teichoic acid features repetitive units of glycerol in Gram-positive bacterial […]

Q. 70 The enzyme responsible for generation of hypochlorous ions during phagocytosis is (A) NADPH oxidase (B) catalase (C) myeloperoxidase (D) superoxide dismutase Myeloperoxidase: The Key Enzyme Generating Hypochlorous Ions […]

Q.69 Resident macrophages of ____ are called Kupffer cells. (A) brain (B) liver (C) lung (D) kidney This article breaks down a key multiple-choice question (MCQ) on Kupffer cells, specialized resident […]

Q.68 Which one of the following is NOT a part of human microbiome? (A) Propionibacterium acnes (B) Lactobacillus casei (C) Streptococcus suis (D) Bacteroides fragilis Which Bacterium Is Not Part […]

Q.67 Which one of the following phages undergoes non-integrative lysogenic phase? (A) 𝜆 (B) P 1 (C) T 7 (D) M13 Which Phage Undergoes Non-Integrative Lysogenic Phase?  P1 phage is […]

Q.66 Which one of the following is the most appropriate technique to determine the relatedness of two bacterial species? (A) DNA hybridization (B) Doubling time measurement (C) Biochemical characterization (D) […]

Q. 65 The basic tenets of the ABC model of Arabidopsis flower development are shown below along with a diagram. i. 𝑨 class genes acting alone determine sepal identity ii. […]

Q.64 Given below are the names of some genes/enzymes and their use in genetically modified crops. Match the two columns. Gene/enzyme                    […]

Q.63 The continuous and dashed lines in the following graph represent the velocity of sap flow in two different parts of a plant at different times of a day. Which […]

Q.62 Hardy Weinberg’s equilibrium for a locus with two alleles p and q is mathematically defined as P2 + Q2 + 2PQ = 1. Which of the following equations represents […]