Active transport move particles in and out of the cell a. against the concentration gradient b. with the concentration gradient c. only at concentration equilibrium d. at any time, concentration doesn’t affect active transport

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

Awolf pack hunts, kills, and feeds on a moose. in this interactions, the moose is a?

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates