Some ________ use group translocation as a means of transport
A) eukaryotes
B) bacteria
C) archaea
D) protozoa
E) eukaryotes and prokaryotes
B
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Integration of linear transforming DNA into the chromosome
A) is not required for the expression for the transformed genes. B) is catalyzed by the RecA gene. C) almost never occurs because restriction endonuclease will degrade the DNA before it is integrated. D) only occurs in laboratory-based systems in artificial competent cells.
Which of the following traits will show Mendelian behavior?
A. dominance B. semidominance C. codominance D. epistasis E. linkage
A student is studying the localization of mRNA in the cell. The cells are treated with a monoclonal antibody to a protein contributing to processing (P) body structure. Which part(s) of the cell would most likely show immunofluorescence?
A. nucleus B. cytoplasm C. both nucleus and cytoplasm D. cannot be determined
Which of the following statements best compares the pedicel and receptacle?
A. The pedicel and receptacle are identical, merely two names for the same structure. B. The pedicel is the tip of the stem bearing the flower and the receptacle is the base of the flower. C. The receptacle is the part of the flower that receives the pollen whereas the pedicel relays sperm to the ovule. D. The pedicel is a reproductive part of a flower and the receptacle is a vegetative part. E. The pedicel is haploid and the receptacle is diploid.