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- Chioces for each statement: hyperproliferation or cell cycle arrest; cell cycle arrest or accumulatio of dna; hyperproliferation or growth arrest; increase or decreasefor each phase of mitosis make sure you can describe the events that take places as well as the mechanism(I.e from where to do microtubles form? How do they attach? What proteins are involved in chromosomes condensation? Etc)Briefly Explain why cell injury due to genetic causes are alarmingly increasing each year
- Which of the following is NOT correct answer about telophase of mitosis: The mitotic spindle is formed in this phase Two new nuclei form, and two sets of chromosomes Nuclear membrane and nucleoid reappear in this phase The enzyme aminoacyl TRNA synthetase charges the TRNA molecules with the correct amino acids FRNA molecules with the correct amino acids MRNA molecules with the correct amino acidsThese types of proteins are responsible for all the following events during cell division: movement of "chromosomes" to poles, sliding of non-kinetochore microtubules pushing the two ends of the cell apart, and also the production of the cleavage furrow during cytokinesis. They are called _ _ (two words)The cell cycle is typically thought of as having four stages. Describe the stages of the cell cycle and identify the mechanism(s) involved in progressing or not progressing through the stages with reference to proteins and signalling processes involved. Please keep brief - 10 sentences/dot points max.
- Mitosis and Cell Division – Location 3 Seek out and define: Seek out the best (clearest, most obvious, etc.) example of mitosis or cell division you can find online. Once you have found your image, write a single sentence that explains what's going on in your picture. This picture needs to be really good so don't just choose the first image you find. Be picky and find something that really stands out for full marks. Locate the picture, take a screenshot and upload it to your submission form along with your sentence. If you're not submitting online, show the picture to your teacher.Cytokinesis is the division of a cell following mitosis, and is driven by the formation of contractile ring of actin and myosin II just beneath the plasma membrane, midway between daughter cell nuclei. true falseCell growth and division occurin a regular cycle. This cycle is divided into four phases: G1, S, G2, and M. The diagram sh ows this cycle, alongwith events that occur in each phase. Follow the prompts below. v Color the phase in which most cell growth occurs BLUE v Color the phase in which DNA replication occurs RED. v Color the phase in which preparation for mitosis G2 occurs in YELLOW. v Color the phase in which mitosis and cytokinesis occur in GREEN. 4. Which three phases make upinterphase? GI M 5. Which of the following best describes cancer? Circle the correct answer. uncontrolled cell growth cells stop growing 6. If a dog has 72 chromosomes in a SOMATIC cell, how many chromosomes will its daughter cells have after meiosis_? mitosis_? P.
- During mitosis, cytoplasmic genes segregate into daughter cells during: more than one of the options listed here anaphase metaphase telophase and cytokinesis prophaseWhen considering the stages of the cell cycle, which stage is best associated with cells that do not divide, such as nerve cells? G1 phase M phase O None - all cells divide S phase G2 phase GO phase Pickles are often preserved in a 20-30% salt solution called brine. How does brine prevent contamination by microorganisms? Bacteria can't survive in hypotonic solutions because of the added pressure of the water they take in causing them to burst. O Bacteria can't survive in a hypertonic solution because they lose too much water and die. O The high salt concentration increases the pH of the environment, making it unfavorable for bacteria to live there. The high salt concentration creates an isotonic environment that the bacteria cannot live in. Bacteria cells are unable to digest the salt, thus killing the cells by starvation.Why cell injury due to genetic causes are alarmingly increasing each year. Explain at your own words
