Question 2 A circular molecule of DNA devoid of any histone proteins describes the chromosome of a(an): flowering plants 1 pts
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In eukaryotes, nucleosomes are universal structural components of chromatin. In prokaryotes (bacteria), DNA forms nucleoids which consist of a naked circular DNA molecule associated with NAPs (nucleoid-associated proteins), transcription factors, and mRNA (messenger RNA). The options for the naked circular DNA molecule are: a) Naked circular DNA molecule aggregated with transcription factors and mRNAs. b) Naked DNA associated with chromatin-forming proteins HU, H-NS, Fis, CbpA, and Dps. c) Single naked circular DNA molecule.
Sri K.
Classify the following traits based on what type of chromosome is being described: Contains many associated proteins Contained within a membrane-bound nucleus Linear strand DNA tightly coiled and bound with histones Typically contains more chromosomes Exists as a single chromosome Not contained within a membrane-bound nucleus Circular loop of DNA coiled into nucleoid region Contains very few associated proteins Prokaryotic Chromosome Eukaryotic Chromosomes
Adi S.
1. During which of these phases is DNA least condensed? a. Metaphase b. Anaphase c. G2 d. Prometaphase 2. Sunflowers have 34 chromosomes in diploid cells. How many chromosomes would be found in a haploid pollen grain? a. 17 b. 34 c. 51 d. 68 3. In horses, neural cells and liver cells have drastically different shapes and functions. Based on what we have learned this week (and last week), what most likely explains these different functions? a. Neural cells and liver cells have different amounts of DNA b. Neural cells and liver cells have different amounts of genes c. Neural cells and liver cells express different genes d Neural cells and liver cells have different numbers of chromosomes
Md.Daniyal A.
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