Which of these will MOST EASILY cross a cell membrane?

Explain the transmission of an action potential/nerve impulse down an axon until it ultimately sends a signal to the next cell in the line.

Following exercise, sweating results in a reduction in the amount of water around cells, increasing the solute concentration around the cells. This causes the cells to become _______ and they will _________.

Describe the pathway the pain signal took from the receptor in her finger to the appropriate region of the brain. Make sure to identify the structures and regions the neurons passed through.

A muscle cell containing many mitochondria and parallel bundles of actin and myosin is _________.

Cells that hollow out the medullary cavity of a long bone during development are _____.

A hormone that is fat soluble is ___________.

Which of these stores the MOST energy per unit weight?

Explain the events that take place during the angiosperm life cycle from pollination to development of a seed.

Walk through the steps of a muscle contraction at the level of the sarcomere making sure to highlight the molecules & proteins involved and how they interact throughout the process.