Most animal cells are bathed in an isotonic fluid, such as blood, which protects them from bursting. how does an isotonic solution protect a cell from bursting?

a. it is a solution that has no solutes, making it an empty fluid.

b. the concentration of solutes is equal on both sides of the cell, so the water doesn't rush in.

c. it is a solution with a concentration of solutes higher on one side of the cell than the other

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Which statement best describes the role of religion and culture in ancient medicine?

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10