Calculate the molarity of 2.20 kg of formaldehyde H2CO in 5.50 L of solution (solution used to fix tissue samples).

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Label a-f based on the table using c for concentrated and d for dilute

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.