A. Prokaryotic cells DO NOT have a nucleus or membrane bound organelles. Eukaryotic cells do.
Explanation: A simple way to remember the is by PROkaryotic has NO nucleus. (Pro-no)
EUkaryotic has a nucleus.
(Eu- sound like you, you have cells and they have a nucleus.)
Amino acids are the building blocks of proteins and are made from basic amino group (−NH2) and an acidic carboxyl group (−COOH) as well an organic R group (or side chain) that is unique to each amino acid. they are made from carbon, hydrogen, oxygen and nitrogen atoms
Answer:
By definition, tissues are absent from unicellular organisms. Even among the simplest multicellular species, such as sponges, tissues are lacking or are poorly differentiated. But multicellular animals and plants that are more advanced have specialized tissues that can organize and regulate an organism’s response to its environment.
Sloths (three-toed), chameleons
