Considering the location of genes in the interphase nucleus, certain chromosomal territories appear to exist. Specifically, ________
A) gene-poor regions of chromosomes are located outside the nucleus, whereas gene-rich regions are located inside the nucleus
B) large chromosomes are more likely to be located in the center of the nucleus
C) each chromosome appears to occupy a discrete domain
D) small chromosomes are more likely to be located in the center of the nucleus
E) even-numbered chromosomes are located in the interior of the nucleus, whereas odd-numbered chromosomes are located peripherally
Answer: C
You might also like to view...
You are using genetic engineering to design a protein that needs to be synthesized in the cytoplasm and then localized in the nucleus of the cell. To accomplish this, one could add
A) a nuclear localization signal into the DNA that will be present in the mature protein. B) the compound during mitosis, at a time when the nuclear membrane is dispersed. C) a nucleotide or few nucleotides to the protein. D) a series of specific polysaccharides to the carboxyterminal end of the protein. E) all of the above
For most reptiles, fertilization is __________ and they are __________
a. external; ovoviviparous b. external; oviparous c. internal; ovoviviparous d. internal; oviparous e. external; viviparous
Although similar to eukaryotic photosynthetic organisms, cyanobacteria are different because they ________.
A. do not have chloroplasts B. have only photosystem I not photosystem II C. do not have any photosynthetic membranes D. have only photosystem II not photosystem I
A new influenza strain appears and is spreading rapidly. What measures might be taken by public health agencies to stop the spread?
A) Facilitate access to vaccines. B) Identify and treat people who are infected. C) Educate members of the public about ways to protect themselves. D) Educate the public, promote vaccination, and treat those who are infected. E) Shut down public transportation.