Question

have 15 Invariant nt and 8 semi-invariant nt (n.b.. invariants means the nucleotides don't change-- does not vary)

Answer 1

There are 15 invariant nucleotides and 8 semi-invariant nucleotides present.

Step-by-step explanation:

In this context, the term 'invariant' refers to nucleotides that do not change and remain the same in certain situations or experiments. Based on the information provided, there are 15 invariant nucleotides (nt) and 8 semi-invariant nucleotides (nt) present. These invariant nucleotides are important for various biological processes and genetic coding.