<p> UNIVERSITY OF NIZWA</p><p>COLLEGE OF ARTS AND SCIENCES DEPARTMENT OF BIOLOGICAL SCIENCES & CHEMISTRY</p><p>VIROLOGY (BIOL327) MED-TERM EXAM – FALL 2009</p><p>STUDENT NAME: STUDENT ID:</p><p>QUESTION 1 (10 POINTS): Complete the following sentences with the right word(s):</p><p>1) Virus genome is enclosed in a protein coat called …………………… .</p><p>2) A virus virion is composed of …………………… and …………………… .</p><p>3) Proteins that are components of virions are called …………………… .</p><p>4) The Vast majority of symmetry of virus capsids is either …………………… or </p><p>…………………… .</p><p>5) Many enveloped viruses have a layer of protein between the envelope and </p><p> the nucleocapsid called …………………… .</p><p>6) The arthropod-transmitted viruses are referred to as …………………… .</p><p>7) Viruses that replicate in one or more tissues and organs of their vectors are </p><p> called …………………… .</p><p>8) Enveloped viruses can enter host cell by either …………………… or </p><p>…………………… .</p><p>9) Most RNA viruses replicate in ……………………, while most DNA viruses </p><p> replicate in …………………… . 10) Genome uncoating can occur at ……………………, ……………………, or </p><p>…………………… .</p><p>QUESTION 2 (5 POINTS): Discuss the following terms:</p><p>1) Permissive cells:</p><p>2) Receptor and co-receptor:</p><p>3) Occlusion bodies:</p><p>4) Vertical transmission: 5) Nonstructural protein</p>