3. Investigate: Select the cell membrane. Turn on Show closeup. Read the description, watch the animation, and answer the following questions below.
A. What kind of molecules diffuse (go through) the cell membrane directly?
B. How can some large molecules and charged ions get through the cell membrane?

Which of the following is a common danger of commercial fishing?

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?