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A ______ describes a site of crossing over.centromeresynapsehistonechiasma
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- Fill in the blank: The ___________ is the protein complex located at the centromeres of the sister chromatids during mitosis and is responsible for regulating the spindle assembly checkpoint.Centromere between sister chromatids breaks at ________?__________of mitosisThis is a picture of telophase: Explain why you know this cell is in telophase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle r25.044 tv Aa 24 MacBook Air 888 F7 FB F9 F5 F6 F3 F4 F2 $ % & @ 2 4 6. 7 P W E T Y D F G H K S C V N * C0 B R * 3
- This is a picture of anaphase: Explain why you know this cell is in anaphase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle tv Aa 23 MacBook Air DD FB F9 F7 F3 F4 F5 F2 @ 23 $ % & 3 4 5 7 8 9 P W R Y S D F G H J K L XIG YIB N M ESomatic cells from two different people usually contain ____________________. identical RNA profiles diploid nuclei different numbers of autosomes equal numbers of mitochondriaFill in the blank: _______________ are structures formed of DNA wrapped around histone proteins that are visible and only seen during cell division (eg. mitosis)
- List in each blank the description of events associated with each stage of mitosis in addition to the preparatory stage Interphase. Some events and structures occur only in plant cells and some in animal cells. Mark these events in the list with an asterisk.Histone modifications are inherited across ________ but not ________. Question 6 options: Mitosis; Meiosis Meiosis; MitosisOnce the chromosomes are attached by a centromere they are each considered to be chromatids. true or false
- (Q) During M-phase of cell cycle, active M-Cdk phosphorylates several target proteins in order to regulate their activities. Identify TWO specific examples of such target proteins that are phosphorylated by active M-Cdk, and explain how each of them affects the cell (i.e. their respective biological significance). i) target protein phosphorylated: _______________________________ Biological Significance: ii) target protein phosphorylated: _______________________________ Biological Significance:determine which statements is either tumor supressor or proto oncogeneFigure 3.7 shows a syncytial Drosophila embryo, a single large cell that can contain hundreds or even thousands of nuclei. Each round of nuclear division can occur rapidly, sometimes as quickly as 10 minutes. These rapid divisions do not require all the stages seen in a normal cell cycle. Which stages (G1, S, G, mitosis, cytokinesis) are dispensable and which are not? Explain.