What mechanism is used by a bacterial cell to fit its DNA into the nucleoid region?
A. the formation of loop domains
B. supercoiling by topoisomerases
C. tight wrapping around histones to form nucleosomes
D. the formation of loop domains and supercoiling by topoisomerases
E. the formation of loop domains, supercoiling by topoisomerases, and tight wrapping around histones to form nucleosomes
D. the formation of loop domains and supercoiling by topoisomerases
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Once a person has been infected with Neisseria gonorrhoeae, the individual
A) acquires transient immunity, which prevents subsequent infection for about a year. B) acquires no immunity, and thus could be reinfected immediately. C) requires immunization by a vaccine. D) requires immunization by an antiserum.
Over a long period of time, you would expect a deleterious mutation to __________ within a large population
A. increase in frequency B. decrease in frequency C. increase or decrease in frequency D. remain at the same frequency
Numerous scientists around the world have proposed to sequence 10,000 vertebrate genomes in five years. What is the name of this plan?
A) Bigger Than Life Plan B) 10K or Bust C) Genome 10K D) Vertebrate Beginnings E) Vertebrate Enlightenment
What molecule is synthesized as a copy of a gene from the DNA template strand?
A. ribozymes B. ribosomal RNA C. transfer RNA D. primer RNA E. messenger RNA