C. either a proton or a neutron
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From an area of high concentration to an area of low concentration.
Answer:
pseudostratified
Explanation:
The epithelium of the nasal cavity, nasopharynx, trachea and bronchi is ciliated pseudostrtisfied columnar epithelium, often with goblet cells
To determine the density of a rabbit population, one would need to know the number of rabbits and the size of the area in which they live.
Answer:
G1/S checkpoint
Explanation:
G1/S checkpoint is one of the points in the cell cycle, between growth phase 1 and DNA synthesis phase, where a cell that has been damaged is sensed by DNA repair enzymes and further degraded by apoptosis. In cancer cells, there is mutation in these DNA repair enzymes and thus nothing to correct the cells from dividing even when damaged and thus there is no arrest of division and cells continue dividing
