Chapter 1: Cellular Biology
MULTIPLE CHOICE
1. Which statement best describes the cellular function of metabolic absorption?
2. Most of a
... [Show More] cell’s genetic information, including RNA and DNA, is contained in the:
3. Which component of the cell produces hydrogen peroxide (H2O2) by using oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction?
4. Which cell component is capable of cellular autodigestion when it is released during cell injury?
5. What is the sequence of steps in the development of a digestive enzyme by the pancreas cells from the initial transcription to the release from the cell?
6. During which phase of the cell cycle is DNA synthesized?
7. What organic compound facilitates transportation across cell membranes by acting as receptors, transport channels for electrolytes, and enzymes to drive active pumps?
8. Understanding the various steps of proteolytic cascades, such as caspase-mediated apoptosis and complement cascades, may be useful in designing drug therapy for which human diseases?
9. Which structure prevents water-soluble molecules from entering cells across the plasma membrane?
10. The fluid mosaic model explains:
11. Which form of cell communication is used to communicate within the cell itself and with other cells in direct physical contact?
12. Which mode of chemical signaling uses blood to transport communication to cells some distance away?
13. Which mode of chemical signaling uses local chemical mediators that are quickly taken up, destroyed, or immobilized?
14. Neurotransmitters affect the postsynaptic membrane by binding to:
15. How do cells receive communication from the extracellular fluid surrounding them?
16. When a second message is necessary for extracellular communication to be activated, it is provided by which one?
17. Under anaerobic conditions, what process provides energy for the cell?
18. What is the mechanism by which the energy produced from carbohydrates, proteins, and lipids is transferred to adenosine triphosphate (ATP)?
19. Passive transport is best described with which statement? [Show Less]