UHS MDCAT 2017 Paper MDCAT 2017 PAPER ( PART 8 ) 1. When X-rays are passed through crystalline DNA, it shows helix making one twist every 4 nm 2 nm 3.4 nm 34 nm 2. Following is the structure of: Guanine Cytosine Uracil Thymine 3. All enzymes are _____ . Lipoproteins Low molecular weight proteins Globular proteins Fibrous proteins 4. The reactants on which enzyme works are: Products Metabolites Catabolites Substrates 5. Which of the following comprises of inorganic ions Activators Coenzymes Prosthetic group Apoenzyme 6. Which of the following is a non-cellular infectious entity: Mycoplasma Escherichia coli Diplococcus Herpes virus 7. The viruses can reproduce: In bacterial cell Without invading any cell By meiosis By mitosis 8. The life cycle in which the phage kills the bacteria is known as: Transduction Temperate phage cycle Lysogenic phage cycle Lytic cycle 9. In which of the following shapes, gut living symbiont Escherichia coli is found Rod Spiral Round Oval 10. Chitin, a chemical found in exoskeleton of arthropods is also found in cell wall of Algae Bacteria Fungi Cyanobacteria Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11
assalamualaikum sir this website is amaizng….for MDCAT students Butt there is an issue with key kindly recheck it as in part 7 mcq no 8 is marked wrong ………….protien molecules mostly made os 20 types of amino acids rather than 25