The answer is All of the above.
Some you wouldn't see by stepping outside, but it gives you a general understanding of what you should be looking for.
Hope this helps!
The right answer is: some proteins are starch
Proteins can be enzymes, hormones, and components of muscle (tissue) structure. Carbohydrates are starches :)
The epidermis and the dermis
The mechanisms responsible for specification of the dorsal axis include a post-fertilization cortical rotation that promotes a dorsal accumulation of β-catenin, and the activation of a cascade of regulatory genes by the complexes of β-catenin and HMG box transcription factors that start the process of gastrulation