The eukaryotic cell will spend most of its time in: _ interphase Why? Once the previous long process is completed, the eukaryotic cell will be able to do the:
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Q: 1) what is meant by “there is no such thing as a typical cell?”
A: NOTE: AS PER OUR GUIDLINES WE ARE SUPPOSED TO ANSWER ONLY ONE QUESTION. KINDLY REPOST OTHER…
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Q: During Mitosis, the spindle apparatus becomes connected to the:
A: The correct answer is Centromere .
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A: We are answering first question For second kindly repost
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- When 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.These 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)Which of the following statements best describes the process of phase separation in cells? Proteins can assemble as liquid droplets that are not bounded by a membrane in either the cytoplasm or nucleus A protein can separate into different organelles dependent on the phase of the cell cycle Proteins that are assembled in one phase of the cell cycle and degraded in the next are said to undergo phase separation Signal sequences can target proteins assembled in the cytoplasm into the lumen of the endoplasmic reticulum
- The Cell Cycle Prior to division, the eukaryotic cell must undergo an extended period of preparation, called the interphase. The interphase represents the interval between two consecutive cell divisions. During interphase, the cell synthesizes all the materials that are needed for division to occur, including all the DNA molecules and associated proteins that make up all the chromosomes in the cell. The chromosomes are so named since they are readily stained to become "colored bodies", as shown in Figure 9.1. One or more darkly staining structures inside the nucleus, called the nucleoli, are readily visible in interphase, erti sevilseido primes 1. What is the function of the nucleoli? producer ubemoer Iaibsences make protein are isiq ni to 2 to noistub During M phase, the cell undergoes mitosis to divide its nucleus in two, and toward the end of mitosis, it undergoes cytokinesis, to divide its cytoplasm in two. PRO povite queabler alle seqytowe M phase is composed of krychencser and…1) what is meant by “there is no such thing as a typical cell?” 2) which part of the cell cycle does the cell spend the least amount of time in? Why do u think that is? 3) why would a cell ever want to destroy itself? 4) how long does a cell live before it undergoes mitosis? 5) if cells can constantly replace themselves, why is a heart attack (which kills cardiac muscle cells) so devastating? 6) what type of cells never undergo mitosis? 7) what makes stem cells particularly interesting to researchers? 8) how might stem cells be used to repair brain or heart damage, even though these cells do not undergo mitosis? 9) why do you think beauty experts would also be interested in stem cells? 10) what is the connection between cancer and mitosis? 11) why is it so difficult for your body to battle cancer? 12) why does you hair fall out of the chemotherapy?Mitochondrion Vesicle Heterochromatin Peroxisome Nucleus
- Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occursDuring cell cycle, interphase takes- O More than 20 hours Less than 20 hours O More than 10 hours O 20 hoursPut the following cell structures in order from smallest to largest: nucleus, gene, chro-mosome
- In the mitotic spindle, astral microtubules function to: connect the spindle poles attach chromosomes to the spindle carry out cytokinesis anchor the spindle poles to the plasma membraneWhat cellular mechanism(s) ensure that passage through the cell cycle is unidirectional and irreversible? What molecular machinery underlies these mechanism(s)?Describe the cell’s activities during the G1 , S, and G2phases of interphase
