How are carbohydrate polymers formed?

(a) by hydrolysis
(b) by dehydration synthesis
(c) by replication
(d) by transcription

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.

Most of the carbon on earth is stored in the form of

Which characteristics are typical of a human population in the postindustrial stage?