In genetic exchange by conjugation, a single Hfr strain will transfer the entire bacterial chromosome to the recipient, allowing mapping in minutes from the first gene entering to the last one before the other half of the inserted F factor
Indicate whether the statement is true or false
FALSE
Explanation: Only fragments of a genome can be easily mapped from a single Hfr strain. Mating bridges break long before the entire genome is transferred.
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Four of the five chemicals listed below are
bases used to construct nucleic acids. Select the EXCEPTION.
a. adenine b. cytosine c. thymine d. guanine e. cysteine
The sex with the greater energetic investment in reproduction will be _____________ when it comes to mating.
a. less interested b. more discriminating c. more competitive d. less discriminating e. more exhaustive
Which of the following enzymes joins DNA strands, joins Okazaki fragments, and mends gaps in the DNA backbone during excision repair?
A. RNA polymerase B. DNA polymerase C. DNA ligase D. DNA gyrase
Accessory organ infections are caused by
A) human herpesvirus 1. B) norovirus. C) mumps virus. D) rotavirus. E) enterovirus.