Some plasma membranes contain channel proteins that help transport specific molecules, such as ions, across the membrane. Which of the following transport processes allow these channel proteins to function without energy expenditure?

Diagram of the evolution of land plants?

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should