Choose the best answer

1			A/an _______ is specifically able to have a long-term relationship with the host known as lysogeny.
			A)	Temperate virus
			B)	Adsorbed virus
			C)	Virion
			D)	RNA phage
			E)	DNA phage
2			A/an _________ protein keeps the prophage dormant and prevents virus reproduction.
			A)	Operator
			B)	Promotor
			C)	Repressor
			D)	Inducer
			E)	Enhancer
3			T-even phage binding to E. coli probably involves
			A)	Electrostatic interaction
			B)	Hydrophobic interaction
			C)	Covalent bonds
			D)	All of the above
			E)	None of the above
4			A specific ______ factor helps RNA polymerase bind to late promoters and transcribe late genes.
			A)	Alpha
			B)	Beta
			C)	Delta
			D)	Gamma
			E)	Sigma
5			A bacterial defense mechanism against bacteriophage is called
			A)	Concatamerization
			B)	Restriction
			C)	Polymerization
			D)	Lysogeny
			E)	Lysis
6			Which of the following is/are synthesized from late mRNA?
			A)	Phage structural proteins
			B)	Proteins that help with phage assembly without becoming part of the virion structure
			C)	Proteins involved in cell lysis and phage release
			D)	All of the above
			E)	None of the above
7			The procapsid is assembled with the aid of _______ proteins.
			A)	Ladder
			B)	Framing
			C)	Scaffolding
			D)	Form
			E)	None of the above
8			The filamentous bacteriopohage infect male E. coli cells by attaching to
			A)	Lipopolysaccharide
			B)	The cell wall
			C)	The tip of the pilus
			D)	The cell membrane
			E)	The periplasmic space
9			When PhiX174 DNA enters the host, it is immediately copied by the bacterial DNA polymerase to form a double-stranded DNA, which directs the synthesis of all BUT the following?
			A)	More replicative form copies
			B)	mRNA
			C)	The +DNA genome
			D)	The -DNA genome
			E)	None of the above
10			One of the first enzymes synthesized by many bacteriophage is __________, an RNA-dependent RNA polymerase called
			A)	RNA replicase
			B)	RNA transcriptase
			C)	Reverse transcriptase
			D)	RNA polymerase
			E)	RNA ligase
11			The process by which phage reproduction is initiatied in lysogenized culture is called
			A)	Infection
			B)	Integration
			C)	Repression
			D)	Induction
			E)	Enhancement