A. Group of cells
Cells - Tissue - Organ ...
If you want to know more - look for "Biological Organisation"
The liver creates bile, which help break down lipids.
This is true! Minerals were mined both on the surface as well as in mines and caverns underground.
The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.
Answer:
Active Transport: Active transport pumps molecules through the cell membrane against the concentration gradient.
Passive transport, also known as passive diffusion, is a process by which an ion or molecule passes through a cell wall via a concentration gradient, or from an area of high concentration to an area of low concentration.
Explanation:
