question
Which characteristics allow you to identify cells in interphase?
answer
DNA is not condensed and the nuclear envelope is present
question
Refer to your notes and find the number of cells you identified in interphase. Divide that number by the total number of cells viewed in your grid to get the percentage of time that the onion cells stay in interphase.Note: Depending on which particular cells were counted, there is a range of possible percentages. Pick the answer that is closest to your calculation.
question
Refer to your notes and find the number of cells you identifiedin metaphase. Divide that number by the total number of cells viewed in your grid to get the percentage of time that the onion cells stay in metaphase.Note: depending on which particular cells were counted there is a range of possible percentages. Pick the answer that is closest to your calculation.
question
You are growing human cancer cells in a dish. Suppose you count 96 cells in interphase and 11 cells in metaphase of 234 total cells. How much time, on average, do these cells spend in interphase?
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question
In which phase do chromosomes line up at the equator of the cell?
question
If a whitefish blastula begins as a single cell, how many mitotic divisions will it take to generate 16 cells?
question
Which characteristics allow you to identify cells in prophase?
answer
There is no nuclear envelope and the chromosomes are highly condensed.
question
Meiosis II and mitosis are similar in that _____________ are pulled apart in anaphase.
question
In meiosis I, what lines up at the metaphase plate and is then pulled apart?
answer
homologous chromosomes
