S1.jpg -

If you are writing a scientific or academic paper and need to reference this image:

: This image usually contains supporting data—like extra graphs, gel electrophoresis images , or microscopy findings —that provide evidence for a study but aren't central enough for the main text. s1.jpg

: Mention it as "Supplementary Figure 1" or "Fig. S1" within parentheses. If you are writing a scientific or academic