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Positional information may provide a cue for a cell to
a. divide.
b. migrate.
c. differentiate.
d. undergo apoptosis.
e. do any of the above.
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- A cell that is ___________ has a particular morphology and function. a. determined b. differentiated c. undergoing apoptosis d. dividingThe term cellular differentiation refers to (a) the loss of genes from cells. (b) the acquisition of new functional capabilities by cells. (c) the production of functionally specialized cells. (d) the division of genes among different types of cells.Apoptosis can occur in a cell when the cell is ________________. a. damaged b. no longer needed c. infected by a virus d. all of the above
- Which of the following is not true regarding cytokinesis?* A.Simultaneously happen with the telophase. B.It is the division of cytoplasm. C.The same with the interkinesis. D.Leads to the formation of cleavage furrow.Which of the following is not a part of apoptosis?a. cell shrinkageb. DNA fragmentationc. the manufacture of cellsd. activation of cellular enzymesThe majority of the cells undergo selective activation of the DNA which would lead to cells developing specialized structures and specialized features, a process known as a. differentiation b. apoptosis c. cell division d. cytokinesis
- One difference between cancer cells and normal cells is thatcancer cells(A) are unable to synthesize DNA.(B) are arrested at the S phase of the cell cycle.(C) continue to divide even when they are tightly packedtogether.(D) cannot function properly because they are affectedby density-dependent inhibition.An example of a cell differentiation might include A) A cell traveling to its ultimate destination in the developing body B) Embryonic stem cells changing into liver and kidney cells C) Division of a zygote into many cells, all containing genetic material D) Unused neurons getting pruned awayWhich of the following is an example of cells undergoing mitosis and cytokinesis? A) dead skin cells being replaced B) a wound healing over a scar C) a tree producing new branches D) A new embryo growing E) All of the above
- The refers to the potential that a stem cell has to give rise to many different cell types. A) Cellular Determination B) monopotency C) Cellular Differentiation D) Pleuripotency E) none of the aboveThe term differentiation refers to (a) the loss of genes from cells. (b) the acquisition of new functional capabilities by cells. (c) the production of functionally specialized cells. (d) the division of genes among different types of cells.What is meant by the statement Cells come from pre-existing cells? Giveprocesses, theories or proofs that support this claim.