RIO BIO 205 Final exam questions and 100% correct answers

A gene is best defines as _______. A. a segment of DNA B. three nucleotides that code for an amino acid. C. a sequence of nucleotides in DNA that codes for a functional product. D. a sequence of nucleotides in RNA that codes for a functional product. E. a transcribed unit of DNA. - correct answer C. a sequence of nucleotides in DNA that codes for a functional product. Which of the following pairs is mismatched? A. DNA polymerase - makes a molecule of DNA from a DNA template B. RNA polymerase - makes a molecule of RNA from an RNA template C. DNA ligase - joins segments of DNA D. Transposase - insertion of DNA segments into DNA E. DNA gyrase - coils and twists DNA - correct answer B. RNA polymerase - makes a molecule of RNA from an RNA template Which of the following statements is false? A. DNA polymerase joins nucleotides in one direction only. B. The leading strand of DNA is made continuously. C. The lagging strand of DNA is started by an RNA primer. D. DNA replication proceeds in one direction around the bacterial chromosome. E. Multiple replication forks are possible on a bacterial chromosome. - correct answer D. DNA replication proceeds in one direction around the bacterial chromosome. In the table below, what will be the result of conjugation between cultures 1 and 2? Culture 1: F+, leucine+, histidine+