The boiling point of a substance is tested. After 10 tests, the result is given as 37+/-3°C. Which conclusion can be drawn?

In an energy pyramid, which level has the most available energy?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

Do polar molecules have ionic bonds?