A compound that is structurally similar to a metabolite is a(n) (abiotic/analog/antisense) molecule.
Fill in the blank(s) with the appropriate word(s).
analog
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Transformation and homologous recombination allow for the formation of heteroduplex DNA. Which of the following would occur during DNA replication of this molecule?
A) One daughter strand is complementary to the recombinant DNA molecule, while the other daughter strand is complementary to the parent DNA molecule. B) Both daughter strands are complementary to the recombinant DNA molecule. C) Both daughter strands are complementary to the parent DNA molecule. D) None of the answers are correct.
Becoming infected by a pathogen after contact with body fluids is considered
a. direct contact. b. indirect contact. c. inhalation contact. d. contact with a vector. e. retro-contact.
Which of the following statements about Hfr cells and bacterial conjugation is false?
A. An F' plasmid contains some bacterial genes. B. Cells with integrated F' plasmid have two copies of some genes. C. If excision of the F plasmid from an Hfr cell includes some bacterial genes, a partial diploid can result. D. The genes that are transferred from an Hfr cell into a recipient cell during conjugation replace the equivalent genes in the recipient cell. E. An Hfr cell becomes an F- cell if its integrated F plasmid is excised.
The hypothesis that mitochondria and chloroplasts evolved from bacteria is called
A. endosymbiont hypothesis. B. RNA world hypothesis. C. ribozyme engulfment hypothesis. D. exosymbiont hypothesis. E. organellization hypothesis.