Active transport. it's the only method of transfer of material that is again concentration gradient
Answer:
D) do not have a cellular structure.
Explanation:
Viruses are known to be acellular as they do not have cellular structure. they do not have most of the cellular components i.e they dont have
Plasma membrane
ribosomes
although viruses consist of nucleic acids, proteins,lipids and carbohydrates but they dont have the ability to perform and function and divide unless they enter any other living host cell. viruses uses the machinery of the living host cell and without the cells viruses are unable to divide.
Answer:
are the plants food
Explanation:
the nutrients is the energy for the plant, they give the plant energy.
Answer: The three main types, or classes, of rock are sedimentary, metamorphic, and igneous.
Explanation:
The differences among them have to do with how they are formed.
They were recently formed.
