Water flows through a selectively permeable membrane in a process called but water molecules cross the membrane more easily through channels of transmembrane proteins called

2. what process do mrna and trna work together to complete? (3 points)

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above