Multiple Choice
DNA fragments can be separated in gel electrophoresis because ________.
A) nitrogenous bases have a net positive charge
B) nitrogenous bases have a net negative charge
C) phosphate groups have a net positive charge
D) phosphate groups have a net negative charge
E) None of the choices are correct
Correct Answer:
Verified
Correct Answer:
Verified
Q10: In bacteria, initiator tRNA carries formyl methionine.
Q34: Repressible operons are normally turned on in
Q36: If the wild type DNA sequence reads
Q42: Semiconservative replication refers to<br>A)each base bonding at
Q46: Excised introns form structures called lariats.
Q58: The discovery of single nucleotide polymorphisms in
Q59: Synthetic biology is an emerging field of
Q62: A 59-year-old female has been diagnosed
Q64: The benefit of the bacterial operon is
Q65: A permanent,inheritable change in the genetic information