When scientists apply colchicine to plants to induce polyploidy, colchicine can also cause aneuploid cells to form. Scientists can often identify tetraploid parts of the plant because of morphological differences such as larger leaves or stems
Do you think scientists can identify aneuploid parts of the plant? Why or why not?
A. Yes, they will be the smaller parts of the plant.
B. Yes, they will also grow larger leaves and stems.
C. No, because the aneuploid parts of the plant will be indistinguishable from the normal parts of the plant.
D. No, because the aneuploid cells will probably die because of their missing chromosomes
D
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Should we buy and eat food that comes from genetically modified plants and animals? Defend your answer based on
previous knowledge and on what you learned from this chapter. What will be an ideal response?
Which chemical carries the DNA's instructions for synthesizing a particular protein from the nucleus to the cytoplasm?
A) transfer RNA B) messenger RNA C) RNA transcriptase D) ribosomal RNA
Which of the following molecules is/are formed at the end of the electron transfer process?
a. ATP only b. NADPH only c. ATP and NADPH d. NADP+ e. ATP and NADP+
If oxygen were present in the Earth's primitive atmosphere, then according to one hypothesis
A. the processes leading to the origin of life would occur. B. organic molecules could not form from inorganic molecules. C. reduction reactions would have been possible. D. None of these answers is correct.