How many chromosomes does this cell have?

Dean has been collecting data on the health risk related to eating too much fast food. which of these would not be a valid conclusion that dean could develop? a) the food in fast food restaurants tastes really good. b) people who eat fast food three times a week are more likely to be obese. c) the chemicals found in the "special sauce" can be linked to acid indigestion. d) eating at fast food restaurants twice a week may lead to increased chance of heart attack.

Select the correct answer from each drop-down menu proteins are

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.