Calculating Chi-Square and Evaluating the Results Control
Treated
Onion roots are treated with a protein. The control
group is compared to the treated group. The number of
cells found at each phase of mitosis is determined.
Calculate chi-square and explain what this means as it
relates to the null hypothesis. Note the P-value at 0.5 =
3.84.

Interphase
cells
467
450
Mitosis
cells
170
1
159

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.

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