Which of the following is the simplest unit of a nucleic acid? OA.
nucleotide
OB. ribose
O c. nitrogen base

Why is excretion necessary to maintain homeostasis?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases