Genetic exchange in bacteria by transduction requires cell-to-cell contact
Indicate whether the statement is true or false
FALSE
Explanation: Transduction requires a phage vector but does not require cell-to-cell contact. Genetic exchange by conjugation requires cell-to-cell contact.
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Proteins called transcription factors are involved in ____ of transcription
a. both initiation and termination stages b. both initiation and elongation stages c. the termination stage d. the initiation stage e. the initiation, elongation, and termination stages
The characteristic ____________of a radioisotope
allows us to determine the age of rocks and fossils using a technique called __________ Fill in the blank(s) with the appropriate word(s).
The alleles of linked genes tend to __________
A) segregate together during gamete production B) assort independently C) be mutated more often than unlinked genes D) experience a higher rate of crossing over E) assort independently and show a higher rate of crossing over
An enzyme maintains a rigid structure while catalyzing a reaction.
a. true b. false