What is the function of gap junctions in cells? a. hold the cell wall close to the plasma membrane b. allow ions and small molecules to flow freely between cells of a given tissue type c. anchor the cells to neighboring cells d. serve as a scaffold for active transport proteins to cluster together e. anchor the cells to basal lamina

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

How does friction with the atmosphere affect the speed of an artificial satellite