Chlorella is a genus of about thirteen species of single-celled green algae belonging to the division Chlorophyta. The cells are spherical in shape, about 2 to 10 μm in diameter, and are without flagella. Their chloroplasts contain the green photosynthetic pigments chlorophyll-a and -b. In ideal conditions cells of Chlorella multiply rapidly, requiring only carbon dioxide, water, sunlight, and a small amount of minerals to reproduce.
Activation energy - is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Answer:
A.
Explanation:
Archaea bacteria can live an extreme places.
Answer:
Explanation: In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into or out of, the cell by moving down it.
Answer:
It distributes food and water throughout the whole body
Explanation:
Vascular Tissue is the circular system of plants. It distributes water and food throughout the plant and removes waste through the roots and stomata. The vascular tissue is composed of two transport systems: xylem and phloem
