Which of the following animals would you expect to have the most unsaturated fatty acyl chains in the plasma membranes of its cells a. Pelicans b. Arctic fish c. Penguins d. Tropical fish e. Polar bears

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

To be or not to be that is da question