Biology, 10.12.2020 08:20, jakiyahporter0817
How do stem cell know what types of cells to differentiate into?
A. The nucleus has instructions to turn some genes on and some genes off
B. Signals from chemicals in the organism (transcription factors) or from the environment determine which genes will be turned on and off
C. Genes turn on and off randomly
D. The cell has unique DNA that determines what the cell will become
Answers: 1
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Are characterized by dry conditions, limited vegetation and wide temperature range. a.) tropical rain forests b.) deserts c.) grasslands d.) none of the above
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If assuming tasting ptc as a simple gene trait, what other genotype would you select to put in this missing genotype box that could result in this phenotype
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Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down
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How do stem cell know what types of cells to differentiate into?
A. The nucleus has instructions to...
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