Don might just be being technical? Yes, DNA resides in the nucleus, but the nucleus resides in the cytoplasm, which resides inside of the cell membrane. This would technically make all 3 answers correct. Personally, I have no issue with the wording. It's clear enough what you're asking. Nominated.
Howdy, just letting you know that most current research proves that the appendix isn't vestigial and serves a significant immune function. Consider changing to 'was believed to'.
Hi. If you read the comments for each question once the quiz is over, you will see that I have stated exactly that. It has not been completely proven to have a significant function as the body still functions normally without it. Thanks.
Blood groups are interesting and can be confusing! There is a lot more to it all than just the ABO and 'Rhesus' also! Thanks for playing and for your comment. :-)