What is it called when a molecule moves across a membrane through a
protein channel without using energy?
O
A. Diffusion
O
B. Osmosis
O
C. Active transport
O
D. Passive transport
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9 DCILA
DO
O

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

What is one function of the embedded proteins

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different