Which of the following does not occur during mitosis?

All of the following statements are valid concerning malignant (metastatic) tumors except:  

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. Which of the following is a possible genotype for the mother?

For a fast metal assembly, calculate the infinite multiplication factor (to 4 significant figures) for a fuel comprised of % U-238 (by atomic abundance) and the remainder being Pu-239.

The following equation is valid for describing core thermodynamics in a boiling water reactor (BWR): PRx = ṁ cp (Tout – Tin).

Reactors that occurred naturally have been found on the continent(s) of (select all that apply):

In the PWR, each reactor coolant loop consists of one pressurizer.

The zirc-water reaction releases hydrogen gas.

For an effective multiplication factor of 0.99, a reactor is said to be .

The specific burnup is the thermal energy produced per metric ton of the materials (e.g., UO2) inside the fuel rod.