In a typical diagram of a cell, it looks as though nothing much is happening. In reality, cells are highly dynamic, with lots of activity at the molecular, organelle and cellular levels. Give examples to illustrate the kinds of activity observed in cells.

Why does the skin of your finger shrink when you wash clothes for a long time?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.