The membrane's lipid bilayer structure provides the first level of control. ... Passive transport is the movement of substances across the membrane without the expenditure of cellular energy. In contrast, active transport is the movement of substances across the membrane using energy from adenosine triphosphate (ATP).
the way that the plant makes a new seed is by the process of Evolution and how the seed will start to form a totaly different fruit by the process of time
Answer:
In the absence of decomposers, soil, air, and water would not be replenished, and all the nutrients present would soon get exhausted. Hence, the cyclic process of life and death would be disrupted and life would come to an end.
Commentulism: one organism has benifit, other no affect.
Mutualism: both organisms have benifit.
Answer:
Explanation:Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells. In most cases, they reprogram the cells to make new viruses until the cells burst and die. In other cases, they turn normal cells into malignant or cancerous cells.
