Plant species a has a diploid number of 12. Plant species b has a diploid number of 16. A new species, c, arises as an allopolyploid from the hybridization of a and b.

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.

What is the next step in muscle contraction after the actin changes shape? (apex)

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin