The structure of the plasma membrane is often explained using the "Fluid Mosaic Model". In this model, the term "fluid" best refers to which of the following? Group of answer choices

all choices are correct

water can move through the plasma membrane

the plasma membrane is made of a liquid

the fact that the phospholipids and embedded structures are free to move

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots