Which statement best describes cancer cells? they grow as a single layer of cells. they cease to reproduce after 20–50 mitotic divisions. they reproduce only when needed to replace missing cells. they are not regulated by contact inhibition.

Name the type of chemical that speeds up digestion

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000