AP Bio Campbell 7E Chapter 19 Test Bank
Subject:
Biology [1]
Tags:
Biology [2]
Genetics [3]
Epigenetics [5]
Gene expression [6]
Chromatin [8]
Euchromatin [9]
Histone [10]
Nucleosome [11]
DNA [12]
Transcription factor [13]
health [14]
behavior [15]
Human development [16]
Love [18]
Psychoanalysis [19]
Attachment theory [20]
Ethology [21]
Personal life [22]
Technology [23]
Ch 19 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. The condensed chromosomes observed in mitosis include all of the following structures except a. nucleosomes. b. 30-nm fibers. c. 300-nm fibers. d. looped domain. e. ribosomes. ____ 2. Under the electron microscope, unfolded chromatin resembles "beads on a string." What do the "beads" represent? a. nucleosomes b. ribosomes c. beadosomes d. molecules of DNA polymerase e. molecules of RNA polymerase ____ 3. In a nucleosome, what is the DNA wrapped around? a. polymerase molecules b. ribosomes c. mRNA d. histones e. nucleolus protein