there are food slots in the transporter room aboard a 23rd century starship because that`s where the transporter chiefs duty station is, mainly its convenience for the crew member on duty, as for bomb bay doors on the HMS Bounty, the whales were transported to the cargo bay and most cargo bays on a starship have doors leading outside of the ship. It is analogous.
I guess. I just thought that this was a little too...convenient.
Well, wouldn't you want a snack before you beamed down to go cause a diplomatic crisis, annoy a "god", infiltrate a borg cube etc?