Pathophysiology > QUESTIONS & ANSWERS > South University - NSG 5003/NSG5003 Week 1 Quiz With Revised Answers, 100% Correct. (All)

South University - NSG 5003/NSG5003 Week 1 Quiz With Revised Answers, 100% Correct.

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1. Is it true that a eukaryotic cell: a. Is smaller than a prokaryotic cell b. Contains structures called organelles c. Lacks a well-defined nucleus d. Does not contain histones 2. The function o... f a histone found in a eukaryote cell focuses on cellular: a. Division b. Movement c. Activities d. Deoxyribonucleic acid (DNA) folding 3. An organelle that is responsible for the metabolism of cellular energy is referred to as a/an: a. Golgi complex b. Mitochondrion c. Endoplasmic reticulum d. Nucleolus 4. Which statement best describes a desmosome? a. A desmosome is a barrier to diffusion b. Desmosomes hold cells together by continuous bands c. A desmosome is a communicating tunnel d. Desmosomes function as a zona occludens 5. Which statement describes the function of a second messenger? a. Extracellular ligand that binds with membrane-bound receptors b. Intracellular enzyme that once will trigger a cascade of intracellular events c. Chemical messenger that opens specific channels in the cell membrane d. Chemical messenger that blocks a membrane-bound receptor signal 6. Which statement is correct regarding cellular energy? a. Glycolysis is the building of sugar molecules b. Oxidative cellular metabolism is a single reaction making adenosine triphosphate (ATP) c. Oxidative glycolysis occurs in the mitochondria d. Anaerobic glycolysis occurs in the presence of oxygen 7. Movement of a solute molecule from an area of high concentration to an area of low concentration is called: a. Diffusion b. Filtration c. Osmosis d. Hydrostatic pressure 8. Which of the following is an example of an energy-releasing process? a. Anabolism b. Catabolism c. Substrate-induced reaction d. Second messenger system 9. Which of the following describes the term chemotaxis? a. Uses the second messenger system b. Cellular signal affecting the cell of origin c. Movement of cells along a chemical gradient d. Ligands bind with receptors, triggering a second reaction 10. Which of the following describes an amphipathic molecule? a. Hydrophobic and not hydrophilic b. Hydrophilic and not hydrophobic c. Hydrophobic and hydrophilic d. Nonpolar [Show More]

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