First person to answer gets 30 and posible brainaly

A) Quantitative and D) Discrete.

Explanation:

Quantitative --> you are measuring how long the mice take to go thru the maze, so that is for time

Discrete --> the mice have to reach the end point sooner or later, so the next word is discrete.

I hope this helps!

Edit: The correct answer was (as told by the questioner) A) and B). I don't know exactly why it was B), but that was the correct answer. To me, A) and D) made more sense. Thanks.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

the answer is b. glad to .