Asmall polar molecule enters a cell with from a membrane protein. no
additional energy was needed to complete this process. what type of
transport is this?
a. facilitated
b. active
c. exocytosis
d. osmosis

Which best explains how this maneuver unblock a person's airway?

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.