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The heart's excitation is myogenic and therefore can be started without any transmission from the brain. The sino-atrial node is found behind the posterior wall of the left atrium and is where the action ...

Eukaryotic Cell - DNA with proteins; DNA surrounded by membrane; Has mitochondria; 80S Ribosome; Reproduces by mitosis; Membrane-bound organelles; Chromosome are linear; Larger in size

Prokaryotic ...

There are several phases to mitosis: interphase, prophase, metaphase, anaphase, and telophase. In interphase, the cell duplicates it’s organelles and chromosomes, ready for mitosis. In prophase, the chrom...

Competetive inhibitors are the same shape as the enzyme substrate. They bind directly to the active site of the enzyme, preventing the binding of the substrate. Therefore, if you increase the concentratio...

Cells are the smallest unit of life that make up every living thing. A typical animal cell is made up of a cell membrane, which maintains its structure and controls what goes in and out of the cell. Enclo...