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- Spring 2017 Getting Started
- General, Non-Lecture-Specific Questions
- Domains of Life; Prokaryotic vs. Eukaryotic Cells
- Carbohydrates
- Proteins and Enzymes
- Nucleic Acid Structure and General Features
- Lipids and Biomembranes
- Energy and Metabolism
- DNA Structure and Replication
- Transcription and RNA Processing
- Translation
- The Nucleus and its Functional Domains
- Mutations
- Nucleo-Cytoplasmic Exchange
- Mitochondria
- Endoplasmic Reticulum
- Golgi Apparatus
- Lysosomes
- Actin and Myosin
- Microtubules
- The Cell Cycle and Events of M-Phase
- Genetic Regulation and the Lactose Operon
- Mobil Genetic Elements -- Viruses and Plasmids
- Genetic Engineering and Recombinant DNA Technology
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Questions in The Cell Cycle and Events of M-Phase
Page 5 out of 10 Pages
- What exactly is dTTP?(8396 views)
- I'm struggling with that graph of DNA content vs. number of cells, I actually don't understand what it represents at all. Can you explain it to me please?(6400 views)
- Why would DNA content would be 2n if a chemical were introduced to a human cell culture that prevents DNA replication.(5548 views)
- When you were talking about lamin b protein dimers being involved with nuclear vesicles, could they be inside of the nuclear vesicles as well?(5171 views)
- with regard to phosphorylation that initiates the breakdown of the nuclear membrane: Is there anything that would specifically not be able to be phosphorylated? By this I mean that I wrote down that lamin and the nuclear pore complex are phosphorylated, but what about the lipid bilayers of the membrane alone. (3214 views)
- When we talked about the vesicles flattening and fusing to make a new membrane, my image of this leaves a lot of lamin on the outside of this membrane. Am I imagining this wrong? Or do those lamin simply fall and are used elsewhere/transported back into the nucleus? (5649 views)
- When talking about the expression of proteins critical for chromosome condensation during M-phase, and with regard to proteins being expressed, do we mean that they are being translated or are being utilized by the chromosomes? (3011 views)
- I have been of the understanding that metaphase is simply the instant at which all the sister chromatids have lined up exactly on the metaphase plate, after performing their 'ballet' by way of their kinetochore microtubules' movement. However, the summary slide of lecture 35 indicates that something DOES happen during metaphase, namely that "the connection between sister chromatids is broken." THUS, does this mean that while metaphase is very, VERY brief, that the aforementioned something does happen...but no actual movement occurs, ie extension/shortening of ANY microtubules? (6048 views)
- If the cell growth of prokaryotes consists of consistent replication of their DNA, then, does it necessarily mean that they would ALWAYS begin with prophase? (5658 views)
- One of the questions indicated that "chromosomes can be seen via a light microscope during M-phase" is true. However, the diagram describing the differences between microscopes on lecture 2, page 6, slide 1 seems to suggest that an electron microscope is needed to see sub-cellular particles. Can you please explain why it is not necessary to use an electron microscope or a fluorescence microscope to see the condensed chromosomes in M-phase?(5023 views)
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