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6 Cards in this Set
- Front
- Back
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Why are leaves green even though other pigments are present? |
Because the other colors are absorbed, so the green is reflected out since it is not absorbed. |
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Why did the separation of pigments in the spinach extract occur as it did? How does paper chromatography work? |
The substances in the mixture dissolve in the alcohol and move up the paper. The heavier substances move up the paper more slowly. The lighter substances move up the paper more quickly. So heavy and light substances get separated from one another on the paper. |
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Explain the effect of germination on the cellular respiration of pea seeds? |
Germination increases the rate of respiration in pea seeds. |
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How are homologous chromosomes similar and different from sister chromatids? |
Homologous chromosomes contain two pairs of sister chromatids or two chromosomes, while sister chromatids are two chromosomes bound together at the centromere. |
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Functionally, why would it be ineffective for sister chromatids to engage in crossing over? |
It would result in no change, since they contain identical information. |
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Tall (T) is dominant to short (t), and axillary (A) are dominant to terminal flowers (a). Male homozygous tall and heterozygous axillary. Female is heterozygous tall and homozygous terminal. |
TTAa, Ttaa. Show punnett square between both and give ratio for each result: tall and axillary, tall and terminal, short and axillary, and short and terminal. |
