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Anatomy and Physiology 141 Fall 2014: Quiz IA Name: ____________________________________________ 1. Assuming the body is in the correct anatomical position, which of the following body cavities is NOT divided by a mid-sagittal plane? a. b. c. d. e. 2. In regards to meiosis, which of the following is TRUE? a. b. c. d. e. 3. c. lower d. e. Both exocytosis and endocytosis may selectively move material across the membrane Receptors present on the coated pit selectively bind extra-cellular materials during receptor mediated endocytosis Osmosis moves water from areas with higher solute concentration to areas with solute concentration Pinocytosis moves fluid and dissolved materials into cells A&D All of the following are characteristics of homeostatic mechanisms EXCEPT: a. b. c. d. e. 6. Boundaries separating the internal environment from the outside world The capacity to reproduce Biochemical pathways that permit energy stored in complex molecules to be released Mechanisms that eliminate metabolic waste products Nervous systems that respond to stimuli in the natural world In regards to membrane transport, which of the following is NOT TRUE? a. b. 5. Synapsis may occur during either Meiosis I or II Sister chromatids separate during Anaphase I Cells at the beginning of Meiosis II are haploid B&C A, B & C The maintenance of life depends on all of the following EXCEPT: a. b. c. d. e. 4. Cranial cavity Pericardial cavity Pleural cavity Mediastinum A&D Negative feedback mechanisms may cause an increase to a body variable Effector systems are controlled by central processors Receptors detect changes in body variables Central processors send afferent signals A&D In regards to the cell cycle, which of the following is NOT TRUE? a. b. c. d. e. DNA replication occurs during the S phase DNA condenses during G2 For non-dividing cells, G0 is the longest stage of the life cycle During G0, DNA transcription is not possible B&D Use the following list to answer Question 7. 1 2 3 4 5 7. Golgi apparatus Nuclear membrane Mitochondria Rough ER Smooth ER Which of the cellular components listed above are surrounded by a double membrane? a. b. c. d. e. 8. All of the following are characteristics of the cytoskeleton EXCEPT: a. b. c. d. e. 9. Microfilaments restrict the movement of cytoplasmic organelles Spindles are formed from microtubules Microfilaments are contractile proteins that allow the cell to change shape A&B A&C Which of the following terms is used to describe the genetic material found in the dividing cells as Metaphase I ends? a. b. c. d. e. 10. 1, 4 & 5 4&5 3 only All but 2 All of the above Chromatin Homologous chromosome pairs Chromosomes Chromatids Sister chromatids All the following are characteristics of mitosis EXCEPT: a. b. c. d. e. Spindles shorten primarily due to processes that occur at the centriole end of the spindle Prior to anaphase, two spindles attach to each centromere Dividing cells are diploid during all phases of mitosis A&B A&C Use the following list to answer Question 11. 1 2 3 4 11. Olecranon Popliteal Brachial Umbilical Synapsis occurs at chiasmata Chromosomes that undergo synapsis have more genes than they did prior to Synapsis can only occur during prophase of meiosis I Synapsis can only occur between a maternal and a paternal chromosome B&C Which of the following sequences are arranged from latest to earliest? a. b. c. d. e. 14. 1, 3 & 8 1, 3, 7 & 8 1, 3, 6 & 7 1, 3, 6 & 8 3, 6 & 8 In regards to synapsis, which of the following is NOT TRUE? a. b. synapsis c. d. e. 13. Sural Mental Pectoral Acromial The body is first sectioned by a horizontal plane that passes through the femoral region. The superior section is then sectioned by a para-sagittal plane that passes through the buccal region on the right side of the body. Which of the regions listed above can be found on only the lateral section created by the para-sagittal plane? a. b. c. d. e. 12. 5 6 7 8 Anaphase, telophase, metaphase, prophase, G2, s-phase Anaphase, telophase, metaphase, prophase, s-phase, G2 Telophase, anaphase, metaphase, prophase, G0, s-phase Telophase, anaphase, metaphase, prophase, s-phase, G2 Telophase, anaphase, metaphase, prophase, s-phase, G1 In regards to the fluid mosaic model of the plasma membrane, which of the following is TRUE? a. b. c. d. e. Peripheral proteins are always associated with integral proteins Hydrophilic regions of phospholipids are located in the center of the membrane Peripheral proteins may act as membrane channels Phosphate functional groups attached to phospholipids are only in contact with the fluid surrounding the outside of the cell C&D