Since its negative, it means it is growing away from the light source. It's a rather odd question because plants usually grow towards the light source.
The answer is tissue fluid. Tissue fluid holds far smaller quantity of protein molecules because they are too large to escape easily over the tiny holes in the capillary endothelium. Tissue fluid doesn't contain red blood cells because they are too large, but does comprise some white blood cells.
Answer:
D. A cyanobacterium
Explanation:
Cyanobacteria have gas vacuoles, thykaloid membranes and carboxysomes