What is the role of transcription in protein synthesis?.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Which individual below would be considered heterozygous? a.dd b.dd c.dd