BIOS 1404 Final Exam

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BIOS 1404 Final Exam

• which of the following is an example of potential rather than kinetic energy
• the flight of an insect foraging for food
• water rushing over Niagara Falls
• the muscle contractions of a person mowing grass
• light flashed emitted by a firefly
• a molecule of glucose

–Answer e

• which process in eukaryotic cells will proceed normally whether oxygen (O2) is present

of absent

• glycolysis
• the citric acid cycle
• oxidative phosphorylation
• electron transport
• chemiosmosis

–Answer a

• where does glycolysis take place in eukaryotic cells
• mitochondrial matrix
• cytosol
• mitochondrial outer membrane
• mitochondrial inner membrane
• mitochondrial intermembrane space

–Answer b

• which of the following are products of the light reactions of photosynthesis that are then

utilized in the Calvin cycle

• electrons and H+
• ADP, Pi, and NADP+
• CO2 and glucose 1 / 3

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• H2O and O2
• ATP and NADPH

–Answer e

• movement of vesticles within the cell depends on what cellular structures
• actin filaments and integrin proteins
• centrioles and motor proteins
• actin filaments and ribosomes
• microtubules and motor proteins
• actin filaments and microtubles

–Answer d

• the oxygen consumed during, cellular respiration is involved directly in which process

or event?

• accepting electrons at the end of the electron transport chain
• the citric acid cycle
• the phosphorylation of ADP to form ATP
• the oxidation of pyruvate to acetly CoA
• glycolysis

–Answer a

• where does the Calvin cycle take place
• interior of the thylakoid (thylakod space)
• stroma of the chloropast
• cytoplasm surrounding the chloroplast
• thylakoid membrane
• outer membrane of the chloroplast

–Answer b 2 / 3

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• the sodium-potassium pump is called an electrogenic pump because it
• pumps equal quantities of Na+ and K+ across the membrane
• is used to drive the transport of other molecules against a concentration gradient
• contributes to the membrane potential
• ionizes sodium and potassium atoms
• pumps hydrogen ions out of the cell

–Answer b

• when oxygen is released as a result of photosynthesis, it is a direct by-prod- uct of
• splitting water molecules
• chemiosmosis
• the electron transfer system of photosystem I
• reducing NADP+
• the electron transfer system of photosystem II

–Answer a

• which of the following is true of steroid receptors
• the receptor molecules are free to move in and out of most organelles
• the concentration of steroids receptors must be relatively high in most cells
• the unbound steroid receptors are quickly recycled by lysosomes d.the receptor

molecules are themselves lipids or glycolipids

• the receptor may be in the cytoplasm

–Answer e

• where is ATP synthase located in the mitochondrion
• mitochondrial matrix
• inner membrane
• outer membrane
• electron transport chain
• cytosol

–Answer b

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