Question

1. considering your answer to questions 3 and 4, identify two ways that the growth of an - organism can be accomplished through the events of the cell cycle. the cell needs to grow and divide
2. cancer, the uncontrolled growth of cells, often results in a tumor, or mass of abnormal cells. some cancerous tumors consist of many cells that are much smaller than normal. according to model 1, what part(s) of the cell cycle is (are) most likely being affected? g1
3. in model 1, if the length of the arrow represents time, then for those cancerous cells, what hap - pens to the time that is necessary for the cell cycle? what implication might this have for doctors who are treating cancer patients? the cell cycle is smaller

model 2 - cell cycle data

phase	key process	time interval (hours)	sets of dna present in each cell at end of phase	number of organelles in each cell at end of phase
synthesis		8	2	570
gap2	protein and organelle synthesis	4	2	600
mitosis	cell and nuclear splitting	1	1	300
	total time:	24

1. model 2 presents cell cycle data for a typical human cell in culture. use the phase names in model 2 to label the g, m, and s phases in model 1.
2. looking at the third column of model 2, compare the time spent in mitosis with the time spent in gap1 in human cells and describe any difference.

Explanation:

Step1: Identify time - spent values

From Model 2, time in mitosis is 1 hour and time in Gap₁ is 11 hours.

Step2: Compare the times

The time spent in mitosis (1 hour) is much less than the time spent in Gap₁ (11 hours).

Answer:

The time spent in mitosis (1 hour) is much less than the time spent in Gap₁ (11 hours).