Question

which of these indicates a strand of rna? the letter t indicating thymine the letter u indicating uracil

Explanation:

RNA (ribonucleic acid) contains the nitrogenous base uracil (U) instead of thymine (T), which is found in DNA (deoxyribonucleic acid). So the presence of U (uracil) indicates an RNA strand, while T (thymine) is associated with DNA.

Answer:

The letter U indicating uracil