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Q.45 An organism uses only the glycerophosphate shunt pathway to transport cytosolicNADH to mitochondria. For every two electrons transported, complex I, complexIII, and complex IV of the electron transport chain […]

Q.44 A 100 ml solution of pH 10 was well–mixed with a 100 ml solution of pH 4. ThepH of the resultant 200 ml solution is ___________ (rounded off to […]

Q.43 B cells produce two forms of an immunoglobulin: (i) membrane–bound form,known as B cell receptor (BCR) and (ii) soluble form, known as antibody. Whichof the following statements is/are CORRECT […]

Q.42 Which of the following technique(s) can be used to separate proteins according totheir molecular weights from a mixture of proteins?(A) Ion exchange chromatography(B) Size exclusion chromatography(C) Sodium dodecylsulfate – […]

Q.41 Four statements about lipids are given below as options. Choose the statement(s)which is/are CORRECT.(A) Cholesterol is amphipathic(B) Self–assembly of phospholipids in water is due to hydrophobic effect(C) The temperature […]

Q.40 Match the cell types listed in Group I with associated processes listed in Group II. Group I Group II (p) NK cells (q) B cells (r) Mast cells (s) […]

Q.39 A linear DNA fragment of 5 kilobase (kb) when completely digested with EcoRIproduces 2.5 kb, 1.5 kb, and 1 kb fragments. Complete digestion of the same 5 kbfragment with […]

Q.38 Enzyme activity profiles as a function of time in the absence or presence of differenttypes of feedback mechanisms are shown in the figure below. Match the followingfeedback mechanisms with […]

Q.37 Which one of the following amino acids has more than two acid–base groups?(A) Alanine(B) Leucine(C) Phenylalanine(D) Tyrosine Tyrosine is the amino acid with more than two acid-base groups among […]

Q.36 Intracellular concentrations of ATP, ADP, and inorganic phosphate in four cell types are given below. Which one of these cell types has the most negative ΔG for ATP hydrolysis? […]