Which of the following statements is false about epithelial tissue? a. epithelial tissue is composed of cells and matrix. b. epithelial tissue functions in absorption. c. epithelial cells can be cube or column shaped. d. epithelial cells do not secrete a ground substance. e. epithelial cells are typically arranged in layers.

Which statements about the enhanced for loop are true for arrays of primitive data?

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed