When a protoplast is infected by only the nucleic acid component of a virus, the infection is referred to as ________
A) transfection
B) recombination
C) transformation
D) lysis
E) transduction
Answer: A
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Which statement best describes the mechanism(s) of posttranslational regulation of gene expression?
A. Covalent modification of newly synthesized proteins generally has no marked effect on protein function. B. Protein synthesis is often repressed by feedback or noncompetitive inhibition. C. Allosteric regulation following transcription of mRNA occurs in many biosynthetic pathways. D. Once a protein is synthesized, there is little to no posttranslational modification.
____________ is the scientific study of the search for life on other worlds and the likelihood that life exists elsewhere
Fill in the blank(s) with correct word
What is pharming?
A) the use of genetically modified crops with organic pesticides B) the use of genetically modified organisms to produce medical treatments C) the use of gene guns to produce genetically modified fish species D) the use of genetically modified organisms that are photosynthetic
Members of the genus Chlamydia are
A. thermophiles. B. intracellular parasites. C. classified with the deeply branching bacteria. D. endospore-formers. E. Gram-positive bacteria.