Bio. 221 Exam 1 W 09/26/07 8 AM, 9 AM

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1 Bio. 221 Exam 1 W NAME 09/26/07 8 AM, 9 AM Multiple Choice/Matching: Use Scantron for Questions pt each. 1) When a membrane-bound vesicle in the cytoplasm fuses with the cell membrane and releases its contents to the outside, this is called: A) diffusion. B) phagocytosis. C) endocytosis. D) exocytosis. E) pinocytosis. 2) During protein synthesis, amino acids are carried to ribosomes by: A) mrna. B) trna. C) rrna. D) aarna. E) peptidase. 3) The organelle that contains many digestive enzymes is the: A) ribosome B) mitochondria. C) lysosome. D) nucleolus. E) Golgi body. 4) An anticodon would be found in: A) crna. B) mrna. C) rrna. D) trna. E) the Left Behind novels. 5) A base, a sugar and a phosphate are the primary components of a/an: A) amino acid. B) nucleotide. C) saccharide. D) triglyceride. 6) The symbol for medicine is a staff with 1-2 snakes around it. It is called the: A) Aescalpius. B) Panacea. C) Caduceus. D) Apollowhopper. E) medical staff. 7) A fever is best described as a/an: A) positive feedback cycle. B) negative feedback cycle. C) control center malfunction. D) altered set point. E) receptor malfunction. 8) Coffee has a ph of 5 and blood has a ph of 7. Therefore, the concentration of hydrogen ions in coffee is than blood. A) 100 times less B) 20 times more C) 100 times more D) 20 times less. E) 2 times more if it is from Starbucks. 9) Most enzyme names have the suffix: A) -ise. B) -ase. C) -ose. D) -in E) shizzle 10) Lactose, or milk sugar, is an example of a: A) dipeptide. B) polysaccharide. C) diglyceride. D) disaccharide. E) monosaccharide. 11) Prostaglandins are a type of: A) protein. B) lipid. C) enzyme. D) nucleic acid E) carbohydrate. 12) Which plane of section could go through both ears? A) transverse. B) parasagittal. C) midsagittal. D) frontal. E) A & D. 13) The alpha helix and beta pleated sheet are examples of which level of protein organization? A) primary. B) secondary. C) tertiary. D) quaternary. E) penternary. 14) Water molecules interact with each other by bonds: A) ionic. B) hydrogen. C) covalent. D) non-polar. E) hydrophobic 15) Complementary strands of DNA are held together by: A) hydrogen bonds. B) ionic bonds. C) covalent bonds. D) savings bonds. E) sugar-phosphate bonds. 16) Blood, Bile, Black Bile, and Phlegm are the: A) four humors of Chinese medicine. B) four humors of Greek medicine. C) vital fluids first described by Galen. D) Four Horsemen of the Apocalypse. E) fluids my roommate leaves in the shower. 17) Facilitated diffusion differs from simple diffusion in that, in facilitated diffusion: A) ATP is consumed. B) molecules move against a concentration gradient. C) carrier proteins are involved. D) A & C. 18) Red blood cells will shrink in a/an solution: A) isotonic. B) hypertonic. C) hypotonic. D) cytotonic.. E) psychiatric 1

2 19) A plane that separates the body into superior and inferior regions is called a plane.: A) medial B) frontal C) sagittal. D) cranial E) transverse. 20) An organic molecule that is critical for the normal function of an enzyme is: A) an active site B) a paraenzyme. C) a coenzyme. D) a cofactor. E) an alloenzyme. 21) The thoracic cavity and the abdominal cavity are separated by the: A) pleural membranes. B) spinal cord. C) diaphragm. D) rib cage. E) pelvis. 22) The movement of a solute against its concentration gradient is a characteristic of: A) osmosis. B) simple diffusion. C) active transport. D) facilitated diffusion. E) B & D. Identify the Big Daddies of Anatomy and Physiology, a.k.a. A & P Diddies: 23) Father of medicine A) Galen B) Descartes 24) Father of modern anatomy C) Jenner D) Vesalius 25) Father of vaccination E) Hippocrites F) Dick Cheney End of Scantron Portion Fill Ins: 1-2 pts each Physiology is the study of. The rate of passive transport is dependent upon the of the solute and. A(n) is a collection of organs that work together to perform a major body function. The sodium-potassium pump carries out the transport of (#) sodium ions into/out of (circle 1) the cell and (#) potassium ions into/out of (circle 1) the cell. 1 glycerol + 3 fatty acids = The three phases of protein translation are. A sensor (receptor),, and are the key components of any feedback system. The of an enzyme is where the substrate binds. 2

3 Osmosis is the movement of across a/an membrane from an area of concentration to an area of concentration. CH2O is the general formula for a/an. Amino acids are linked together via covalent bonds called bonds. Low-density lipoprotein (LDL) particles are transported into cells by. In "Anatomical Position the legs and feet are, the arms are and the palms are Intermediate filaments, and are the key structures that make up the cytoskeleton. The opposite of ipsilateral is. The ability to maintain a stable internal environment even though the external environment changes is called. Globular and fibrous are classes of. Enzymes are organic catalysts that the (or energy barrier) of a reaction. Using terms of direction or orientation, complete the following phases: The lungs are to heart. The navel (belly button) is to the breastbone (sternum). The ankle to the knee. The skin is to muscle and bone. 3

4 Describe the structure and function of the mitochondrion or the rough endoplasmic reticulum. (4 pts) Give an example of a hydrolysis reaction discussed in class. What happens to the water molecule in the reaction? (4 pts) What is the role of positive feedback in labor (childbirth)? (4 pts) Briefly describe two key features of the Hippocratic Oath that are relevant to modern doctors. (4 pts) The genetic code is a triplet code. Explain. (4 pts) 4

5 Label (chemical structures, regions) this sketch of a generic cell membrane. (8 items, 8 pts) A person with type II diabetes may have fewer insulin receptors. Explain how this results in high blood glucose levels. (Make sure you include the elements of glucose homeostasis and membrane transport in your answer). 10 pts. 5

6 Identify the types of molecules below (be as specific as possible). (6 Pts) 6