What is the relationship between emerging scientific ideas and open-mindedness?

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Is there any solid scientific evidence that humans have been cloned?