?

123456789101112131415161718192021222324
Across
  1. 3. May need to dock first, but will start expression eventually
  2. 7. This may bind to something vanilla, but you may not expect it
  3. 12. Organelle that stores an ion vital for depolarization
  4. 14. Don’t get too excited, or else you might break a leg
  5. 16. Mother Nature’s gift to us to couple the direction and directionless
  6. 17. Protein that row until contraction
  7. 19. No implantation? Don’t worry, just don’t forget to do this
  8. 20. No matter how much you’re disguised, these features will always distinguish you as an outsider
  9. 21. Don’t eat too much of this, or you might find yourself in a crisis, of some sorts
  10. 23. Link from the tips to the center of the body
  11. 24. Take some of this to relax tensed up vessels
Down
  1. 1. Surprisingly helpful to everyone, including men 50 and up
  2. 2. When the bottom of the pit has been reached, this will be sure to say that the fun’s over now
  3. 4. Ouch that’s hot!
  4. 5. One man’s artery clog is another’s precursor
  5. 6. Mammals need acid from this asymmetric cell
  6. 8. Don’t block this protein or else you might be gasping for air
  7. 9. Compound you can add to easily punish some mammals
  8. 10. Make sure not to inhibit both or you may end up with this crater
  9. 11. Shuttle in the night sky, but also for cholesterol
  10. 12. I can see that a bundle that may have been misplaced
  11. 13. When the yellow thing clocks out, this takes its shift
  12. 15. Watchful channel waiting for an influx to get moving quickly
  13. 17. Hope it’s not a sensitive topic, but can you turn that off?
  14. 18. Maternal disease, but also ceremonial light
  15. 21. Superior that helps you digest, only if you own acid
  16. 22. Small but mighty, these will protect you from outsiders