NURS 611 Exam 1 Self Checks Questions and Correct Detailed Answers With Rationales | Already Graded A+ (Maryville University)

It is true that a eukaryotic cell: does not contain histones. is smaller than a prokaryotic cell. lacks a well-defined nucleus. contains structures called organelles. contains structures called organelles. The cell's energy producers are called: mitochondria Movement of a solute molecule from an area of high concentration to an area of low concentration is called diffusion. Which are the roles of relay chains in signal transduction? Transfer the signal Distribute the signal Amplify the signal (T/F) potassium (K+) ions need to be at higher concentration inside the cell and sodium (Na+) need to be at higher concentration outside the cell True Where is most of a cell's genetic information, including RNA and DNA, contained? nucleolus Which cell component is capable of cellular autodigestion when it is released during cell injury? lysosomes Which structure prevents water-soluble molecules from entering cells across the plasma membrane? lipid bilayer Passive transport is best described with which statement? Being capable of transporting macromolecules Involving receptors that can bind with substances being transported Requiring energy generated by the cell Being driven by osmosis, hydrostatic pressure, and diffusion Being driven by osmosis, hydrostatic pressure, and diffusion Which is the best example of active transport? Movement requiring the expenditure of metabolic energy