When a T2 bacteriophage infects an Escherichia coli cell, which part of the phage enters the bacterial cytoplasm?
A) the whole phage
B) only the RNA
C) only the DNA
D) the protein "head" and its enclosed nucleic acid
Answer: C
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Inversion loops can occur in
A. paracentric inversions. B. pericentric inversions. C. gene duplications. D. reciprocal translocations. E. both paracentric inversions and pericentric inversions
Cork ___
A. represents the major dermal tissue in bark B. helps transport nutrients and fluid. C. serves a protective function. D. both represents the major dermal tissue in bark and helps transport nutrients and fluid. E. both represents the major dermal tissue in bark and serves a protective function.
The confirmed diagnosis that Baby T had Bartter syndrome was based on the use of ____, which sequenced only the
protein coding regions of the genome. a. whole genome sequencing b. whole exome sequencing c. whole introme sequencing d. SNP analysis e. whole proteome analysis
Export of RNAs from the nucleus occurs primarily by
a. passive diffusion through nuclear pore complexes. b. cotranscriptional insertion through nuclear envelope membrane protein pores. c. selective transport through nuclear pore complexes in association with proteins. d. release from the nucleus when it breaks down at mitosis.