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2 cell types that have no hayflick limit?
- Bacteria, because their chromosomes doesn't have telomeres- Cancer cell, because the telomerasegene in DNA is expressed and makes the cancerous cells almost immortal- Stem cells (for the same reason)- Germline(for the same reason)
Is memory cells part of third line of body defence?
yeah....memory cells are a part of our body's third line of defence............natural killer cells that is wbc only are not a part of our body's third line of defence.
What is the definition of a Cell line?
The definition of a Cell Line is a culture developed from a single cell in which the makeup of the cells is uniform. essentially it is part of cloning of cells.
What types of glial cells line the central cavities of the brain and spinal cord where they help to circulate the cerebrospinal fluid?
ependymal cells
What is the function of human epitheal cells?
Epithelial cells found on the surface. They cover the and line the free surfaces.
Which of the cells depicted in the line graph in figure 8-8 are most likely cancerous?
The graph on figure 8-8 is not shown here so there really is not any way to know which one is correct. Without his information the answer is not able to be known.
How can cancer start?
Cancer starts when your cell goes through cell cycle, which is the reproduction of cells. Your cell copies DNA so that there are 4 strands in your cell. The nuclear membrane disappear. The cells then line up in the middle of the cell. When the cells separate on to either side of the cell this can get messed up. If three DNA strands go to one side and one goes to the other side they become cancerous cells. When these cancerous cells build up they become tumors.
2 cell types that have no hayflick limit?
- Bacteria, because their chromosomes doesn't have telomeres- Cancer cell, because the telomerasegene in DNA is expressed and makes the cancerous cells almost immortal- Stem cells (for the same reason)- Germline(for the same reason)
What is the measure of the solid line angle depicted by the following figure?
90 degrees
Why are most cancer cells epithelial cells?
Epithelial cells are rapidly dividing, and are more exposed to carcinogens like UV radiations, and environmental toxins than other tissues in the body as epithelial cells line the surface of the body. Cells which reproduce frequently are more prone to become cancerous than other tissues.
What cells line the ventricle of the brain?
Ependymal cells
What cells line the ventricles of the brain?
ependymal cells
Which of the following cell types are least likely to reproduce endothelial cells that line the digestive system fibroblasts of connective tissue skeletal muscle tissues red bone marrow cells?
sceletal muscle tissue
What do the cells do that line your internal organs?
epithelial cells
What are the cells that line the circulatory system?
red blood cells
Is memory cells part of third line of body defence?
yeah....memory cells are a part of our body's third line of defence............natural killer cells that is wbc only are not a part of our body's third line of defence.
What is the measure of the solid line angle depicted by the following figure 180 degrees and 0 degrees?
270 degrees
