According to the theory of endosymbiosis, the origin of chloroplasts probably involved:
A) the formation of colonies of cyanobacteria.
B) the formation of cell walls around the photosynthetic pigments.
C) engulfing of small photosynthetic prokaryotes by a larger cell.
D) the accumulation of free oxygen in ocean waters.
E) infolding of the cell membrane around circular pieces of DNA in the cytoplasm.
C) engulfing of small photosynthetic prokaryotes by a larger cell.
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Which type of disease is LEAST likely to be able to be treated using genome editing with TALEN or CRISPR?
A. Trisomy-21 B. Leukemia C. Cystic fibrosis D. Huntingtons Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about genome editing? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The movement of genetic material between organisms other than by descent is called ____
a. vertical gene transfer b. horizontal gene transfer c. parallel gene transfer d. sexual reproduction e. asexual reproduction
Which of the following causes DNA to wrap tightly around histones essentially shutting down transcription?
a. methylation b. acetylation c. nitrogenation d. dehydration e. carbonation
Leaves and flowers exhibit indeterminate (determinate) growth
____________________ Indicate whether the statement is true or false.