BMSC 210 Midterm 2 Quizzes | 100% Correct Answers | Verified | Latest 2024 Version

what can restore a frameshift mutation? - another frameshift, microdeletion, and microinsertion A mutation in a particular gene that results in the premature halting of transcription (and, consequently, protein translation) is a___________ mutation. - nonsense Consider a mutation in which the change is from UAC to UAU. Both codons specify the amino acid tyrosine. Which type of point mutation is this? - Silent mutation A ʺpoint mutationʺ refers to mutations involving - a substitution, deletion, or addition of one basepair. Nutritionally defective mutants can be detected by the technique of - replica plating Which method would be the MOST powerful approach to isolating a single mutant from a population of billions? - selection for a gain of function (like finding a needle in a haystack) A mutant that has a nutritional requirement for growth is an example of a(n) - auxotroph A plasmid may - replicate independently of the chromosome, integrate into the chromosome, or be transferred cell-to-cell during conjugation. The uptake of free DNA from the environment is referred to as ________, while the transfer of DNA with cell-to-cell contact is known as ________. - transformation/conjugation The CRISPR system - recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them.Lysogeny probably carries a strong selective advantage for the host cell because it - confers resistance to infection by viruses of the same type