Multiple Choice
A collection of DNA and associated proteins in a cell defines the term:
a) Sister Chromatids.
b) Centromere.
c) Chromatin.
d) Chromosome.
11. Cell Division
Organization of DNA in the Cell
Back11. Cell Division
Organization of DNA in the Cell
- Multiple Choice
Choose the option that correctly lists the following genetic material in a dividing cell from smallest to largest.
- Multiple Choice
The structures labeled Y in the image below are called:
- Multiple ChoiceWhich of the following is false in respect to eukaryotic chromosomes?
- Multiple ChoiceWhich of the following is false regarding sister chromatids?
- Multiple ChoiceThe complex of DNA and protein that makes up a eukaryotic chromosome is properly called __________.
- Multiple ChoiceThe region of a chromosome in which the two double strands of replicated DNA are held together is called __________.
- Multiple ChoiceThe centromere is a region in which __________.
- Open QuestionWhat is chromatin?a. the histone-containing protein core of the nucleosomeb. the 30-nm fiberc. the complex of DNA and proteins found in the nucleusd. the histone and non-histone proteins in eukaryotic nuclei
- Open QuestionWhat is chromatin?a. the histone-containing protein core of the nucleosomeb. the 30-nm fiberc. the complex of DNA and proteins found in the nucleusd. the histone and non-histone proteins in eukaryotic nuclei
- Open QuestionAdd labels to the figure that follows, which illustrates duplicated chromosomes.
- Open QuestionThe centromere is a region at which .a. sister chromatids are attached to each other;b. metaphase chromosomes align;c. the tips of chromosomes are found;d. the nucleus is located
- Open QuestionThe following statements are about the control of chromatin condensation. Select True or False for each.T/F Reducing histone acetylase activity is likely to decrease gene transcription.T/F Mutations that reduce the number of positively charged amino acids on histones should promote open chromatin.T/F Chromatin remodeling complexes add chemical groups to histones.T/F Adding an inhibitor of DNA methylation is likely to reduce gene transcription.
- Open QuestionThe following statements are about the control of chromatin condensation. Select True or False for each.T/F Reducing histone acetylase activity is likely to decrease gene transcription.T/F Mutations that reduce the number of positively charged amino acids on histones should promote open chromatin.T/F Chromatin remodeling complexes add chemical groups to histones.T/F Adding an inhibitor of DNA methylation is likely to reduce gene transcription.
- Open QuestionSister chromatids .a. are two different chromosomes attached to each other;b. are exact copies of one chromosome that are attached to each other;c. arise from the centrioles;d. are broken down by mitosis;e. are chromosomes that carry different genes