AP Bio Campbell 7E Chapter 18 Test Bank
Subject:
Biology [1]
Tags:
Biology [2]
microbiology [4]
Gene expression [5]
Virology [6]
RNA [7]
Virus [8]
Lytic cycle [9]
RNA virus [10]
Trp operon [11]
Lac operon [12]
Transduction [13]
health [14]
behavior [15]
Human development [16]
Love [18]
Psychoanalysis [19]
Attachment theory [20]
Ethology [21]
Personal life [22]
Technology [23]
Ch 18 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following is (are) true about viruses? a. Viruses are classified below the cellular level of biological organization. b. A single virus particle contains both DNA and RNA. c. Even small virus particles are visible with light microscopes. d. Only A and B are true. e. A, B, and C are true. ____ 2. Which of the following is not a reason scientists suspected that something other than bacteria was the cause of tobacco mosaic disease? a. Passing infectious sap through a fine filter failed to remove the infectious agent. b. Treating infectious sap with alcohol failed to remove the infectious agent. c.