Ch End 2 Word Scramble
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Question | Answer |
Selective cellular permeability and structural stability are provided by | Membrane proteins |
Rough endoplasmic reticulum is important in | synthesizing and assembling proteins |
The fundamental subunit of chromatin composed of ~180 base pairs of DNA wrapped around a histone protein is called | nucleolus |
Condensation of chromosomes occurs during which phase of mitosis? | prophase |
Cells that have excited the cell cycle and entered a nonproliferative phase are said to be in: | quiescence |
The regulatory subunit of the active enzyme complex responsible for regulating passage through the various phases of the cell cycle is | cyclin |
The point in the cell cycle at which cell proliferation (cycling) no longer depends on the extracellular signales is: | R |
Programmed cell death (cell suicide) is also known as: | apoptosis |
Are considered initiators of apoptosis: | death cytokines, loss of matrix attatchment, and cell damaging stress |
Events in hematopoiesis that are regulated by apoptosis | Removal of excess neutrophils following cessation of bacterial challenge. Removal of excess B lymphocytes following immune stimulation. |
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