Which of the following is not a tenet of the cell theory?
A) All organisms consist of one or more cells.
B) All cells arise from preexisting cells.
C) The cell is the basic unit of structure for all organisms.
D) All cells have a membrane-bound nucleus.
E) none of the above
D) All cells have a membrane-bound nucleus.
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Which of the following is an application of transposon tagging?
A. To test if a transposon is replicative B. As a tool to clone novel genes C. To track the movement of transposons between species D. To inactivate transposons in a genome
All living species of organisms have now been described by scientists
Indicate whether the statement is true or false
Which of the following would NOT be part of the axial skeleton?
a) pelvic girdle b) skill c) thoracic cage d) vertebral column e) all of these are part of the axial skeleton
Which component of transcription or translation has the anticodon?
A) RNA polymerase B) rRNA C) mRNA D) ribosome E) tRNA