What structure joins the cells in heart tissue together, so that the cells work in a coordinated fashion?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.