Nitrogenous base is an organic molecule that contains the element nitrogen, N and functions as a base in chemical reactions. 2. DNA contains four kinds of nitrogenous bases: adenine, thymine, guanine, and cytosine. It is the information molecule and stores all the genetic material of a cell.
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three fatty acids covalently bonded to a glycerol molecule. Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of proteins found. within the membrane of a prokaryotic bacterial cell.
contains only carbon, hydrogen, and oxygen atoms in a ratio of 1:2:1.
All organisms are composed of 2 or more cells.
NOT is composed primarily of hydrogen and carbon atoms with a rare oxygen atom here and there in its structure.
When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___. zymogen granules. Ribosomes in an acinar cell generate the amino acid sequence of the digestive enzyme. amylase.
It is difficult for human macrophages to detect and destroy Strep cells because Strep cells. NOT move too quickly for macrophages to sense the Strep cell surfaces. Consider the following definition: "A cell is the smallest unit of an organism capable of independent functioning, composed of a membrane, enclosing a nucleus, ...
the diffusion rate of molecules won't support life over greater distances.
all organisms are composed of 2 or more cells.
all cells come from pre-existing cells