Which of the following is part of the cryosphere? A. The ocean
B. Wetlands
C. Permafrost
D. Aquifers

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer