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Q.66 What information about protein can be derived most accurately from gene sequence? A. Primary structure of protein B. Function of protein C. Secondary structure of protein D. Three-dimensional structure […]

Q.65 Which of the following proteins do not belong to the group of chromoproteins? A. Fibroin B. Haemoglobin C. Keratin D. Cytochromes E. Flavoproteins Choose the correct answer from the […]

Q.64 Resting membrane potential is conducted by: A. Active transport B. Selective permeability of phospholipid bilayer C. Passive diffusion across lipid bilayer D. Differential distribution of ions across membrane Choose […]

Q.63 Which of the following statements is true about histones? A. Histones are rich in acidic amino acids. B. Histones are rich in basic amino acids. C. Histones are important […]

Q.62 What is true about steroid hormones? A. Steroid hormones bind to specific receptors. B. Steroid hormones bind to DNA to control gene expression. C. Steroid hormones travel to distant […]

Q.61 Given below are two statements: Statement–I: Cyanide results in cellular hypoxia. Statement–II: The tight coupling of electron transport and phosphorylation is uncoupled by cyanide. In the light of the […]

Q.60 Given below are two statements: Statement–I: Ammonia is produced during catabolism of amino acids in muscle cells. Statement–II: In muscle cells, ammonia is converted to urea and then excreted […]

Q.59 Given below are two statements: Statement–I: 146 base pairs of DNA are wrapped around the histone octamer to form a nucleosome. Statement–II: Nucleosomes play important role in gene expression. […]

Q.58 Given below are two statements: Statement–I: Enzymes lower the activation energy of reactions. Statement–II: The presence of an enzyme has no effect on Keq. In the light of the […]

Q.57 Given below are two statements: Statement–I: Weak interactions like hydrogen bonds and salt bridges stabilize protein folding. Statement–II: Protein folding is assisted by chaperones. In the light of the […]