WGU C190- intro to biology, Unit 3. Questions and answers, rated A+ 2024

Prokaryote - -small, simple, single-cell ria are the most prevalent kind. Eukaryotes - -larger, and most often they are multi cellular organisms, including plants, animals and fungi. Cell Membrane - -provides a barrier between the interior and exterior of the cell and it regulates the flow of substances in and out of the cell. Cytoplasm - -the space in which the chemical reactions that enable life take place. it is the fluid that occupies the space inside the cell. Ribosomes - -are the molecular machines that use the instructions contained in the DNA to build all the proteins needed by the cell. Unlike eukaryotic cells, prokaryotic cells: A) have no plasma membrane B) have RNA but not DNA C) have no nucleus D) all of the above - -C) have no nucleus Antibiotics are medications that are used to fight bacterial infections in humans and other eukaryotes. Consider the following statements; which one is probably true about antibiotics? A) Antibiotics are only poisonous to prokaryotic cells. B) Antibiotics are only poisonous to eukaryotic cells. C) Antibiotics are poisonous to all cells. This is why you shouldn't take antibiotics very often. - -A) Antibiotics are only poisonous to prokaryotic cells