Two types of cells are shown below. What molecules are sent to from Cell A to cells in B in order for the muscle to move? *

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?