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______ 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.
________Most enzyme names have the suffix: A) -ise. B) -ose. C) -ase. D) -in E) –shizzle
_____The first step of Na+K+ pump’s activity involves the binding of which of the following? A) K+ binds to sites outside the cell. B) K+ binds to sites inside the cell.
C) Na+ binds to sites outside the cell. D) Na+ binds to sites inside the cell. E) ATP binds to sites inside the cell.
_______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.
_______Water molecules interact with each other by ______ bonds: A) ionic. B) non-polar C) covalent. D) hydrogen.. E) hydrophobic
______ Forming a water molecule as a result or byproduct of a reaction is known as: A) hydration. B) hydrolysis. C) condensation D) activation. E) a miracle.
______ 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.
_______ A white blood cell engulfing a bacterium is an example of: A) pinocytosis. B) osmosis. C) exocytosis. D) phagocytosis. E) receptor mediated endocytosis.
______Red blood cells will shrink in a/an ________ solution: A) isotonic. B) hypotonic. C) hypertonic. D) cytotonic.. E) psychiatric.
______ An organic molecule that is critical for the normal function of an enzyme is:
A) an active site B) a paraenzyme. C) a cofactor. D) a coenzyme. E) a saccharide. ______ A cell with an internal osmolarity of 300 mOsm is placed in a 200 mM solution of
NaCl. The solution is _____ and the cell will _____. A) isotonic – not change size. B) hypotonic – shrink. C) hypertonic – swell. D) hypotonic – swell. E) hypertonic – shrink.
_____ If there is 0.2 M glucose along with 0.15 M NaCl in a solution, what is its approximate osmolarity? A) 0.175 Osm. B) 500 mOsm. C) 350 mOsm. D) 2.15 Osm. E) 300 mOsm
_____ Some transport processes use transport proteins in the plasma membrane, but do not require ATP directly or indirectly. This type of transport is known as ___. A) simple diffusion. B) active transport. C) endocytosis. D) exocytosis. E) facilitated diffusion.
______ 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.
______ 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) pinocytosis. E) exocytosis.
_____ Low-density lipoprotein (LDL) particles are transported into cells by: A) pinocytosis.
B) phagocytosis. C) receptor-mediated endocytosis. D) J-Lo-cytosis. E) facilitated diffusion.
._____ Carbon dioxide gets through the cell membrane by: A) simple diffusion. B) facilitated diffusion. C) osmosis. D) active transport. E) symport.
______The rate of passive transport is dependent upon: A) temperature. B) the amount of ATP available. C) the concentration gradient. D) A & B. E) A & C.
______ B vitamins are often have roles as: A) membrane proteins. B) coenzymes.
C) inhibitors of enzymes. D) inorganic cofactors. E) membrane transporters.
______ 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 in the Bible. D) Four Horsemen of the Apocalypse. E) fluids my roommate leaves in the shower.
______ In glucose homeostasis the beta cell has which role or roles? A) sensor. B) control center. C) effector. D) all of the above. E) A & B.
_____ A transporter carries glucose into a cell against its concentration gradient while simultaneously moving sodium into the cell. This type of transport is called: A) primary active transport. B) secondary active transport. C) facilitated diffusion. D) antiport.
_____Enzymes speed reaction rates because they: A) decrease the kinetic energy of a reaction. B) increase the kinetic energy of a reaction. C) increase the activation energy of a reaction. D) decrease the activation energy of a reaction.
______ 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.
______ During protein synthesis, amino acids are carried to ribosomes by: A) mRNA. B) tRNA. C) rRNA. D) aaRNA. E) peptidase.
______The organelle that contains many digestive enzymes is the: A) ribosome B) mitochondria. C) lysosome. D) nucleolus. E) Golgi body.
______ An anticodon would be found in: A) cRNA. B) mRNA. C) rRNA. D) tRNA. E) the “Left Behind” novels.
______ A base, a sugar and a phosphate are the primary components of a/an: A) amino acid. B) nucleotide. C) saccharide. D) triglyceride.
______ 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.
______ 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.
_______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.
________Most enzyme names have the suffix: A) -ise. B) -ase. C) -ose. D) -in E) –shizzle
________ Lactose, or milk sugar, is an example of a: A) dipeptide.
B) polysaccharide. C) diglyceride. D) disaccharide. E) monosaccharide.
______ Prostaglandins are a type of: A) protein. B) lipid. C) enzyme. D) nucleic acid E) carbohydrate.
________ Which plane of section could go through both ears? A) transverse. B) parasagittal. C) midsagittal. D) frontal. E) A & D.
_______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.
_______Water molecules interact with each other by ______ bonds: A) ionic. B) hydrogen. C) covalent. D) non-polar. E) hydrophobic
_______Complementary strands of DNA are held together by: A) hydrogen bonds. B) ionic bonds. C) covalent bonds. D) savings bonds. E) sugar-phosphate bonds.
______ 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.
______ 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.
______Red blood cells will shrink in a/an ________ solution: A) isotonic. B) hypertonic. C) hypotonic. D) cytotonic.. E) psychiatric
_____ 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.
______ 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.
________The thoracic cavity and the abdominal cavity are separated by the:
A) pleural membranes. B) spinal cord. C) diaphragm. D) rib cage. E) pelvis.
______ 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.