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Final Exam Questions

Nov 14, 2014

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Diffusion is an example of ______. A) exocytosis B) phagocytosis C) active transport D) passive transport E) endocytosis 2) Complete the equation: monosaccharide + monosaccharide A) fat B) polysaccharide C) nucleic acid D) disaccharide E) polypeptide 3) What accounts for the different breeds of domesticated dogs? A) artificial selection B) creation C) genetic drift D) overreproduction E) natural selection 4) What term is used to describe a situation in which the energy released from one reaction provides the energy required for another reaction? A) entropy B) energy coupling C) electron transport D) energy conservation E) cellular respiration 5) A newly discovered multicellular organism feeds on organic waste. Such an organism is most likely a member of kingdom ______. A) Eukarya B) Fungi C) Plantae D) Animalia E) Protista 5) 4) 3) 2) 1)

______ + water

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6) Table sugar is ______. A) fructose B) maltose C) lactose D) sucrose E) glucose

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7) The following molecule is best described as a ______. CH3 -CH2-CH2-CH2 A) carbohydrate B) lipid C) protein D) hydrocarbon E) nucleic acid 8) What form of energy is ATP? A) motion B) kinetic C) work D) potential E) ionic

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9) How many autosomes do humans have? A) 44 B) 22 C) 46 D) 23 E) 2

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10) What are eukaryotic genes composed of? A) A B) C C) G D) DNA E) RNA

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11) The region of an enzyme to which a substrate binds is called the ______ site. A) enzymatic B) conformational C) active D) substrate E) denatured 12) Nucleic acids are polymers of ______ monomers. A) DNA B) nucleotide C) fatty acid D) hydrocarbon E) monosaccharide

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13) How are adjacent water molecules connected? A) by the sharing of electrons between adjacent oxygen molecules B) by the sharing of electrons between hydrogens of adjacent water molecules C) by the sharing of electrons between the hydrogen of one water molecule and the oxygen of another water molecule D) by the electrical attraction between the hydrogens of adjacent water molecules E) by the electrical attraction between the hydrogen of one water molecule and the oxygen of another water molecule 14) Which of the following is NOT a component of an amino acid? A) a carboxyl group B) an amino group C) a phosphate group D) a central carbon E) a hydrogen atom 15) A base ______. A) decreases the pH of a solution B) removes OH- ions from a solution C) adds HOH molecules to a solution D) removes H+ ions from a solution E) removes H2 O molecules from a solution 16) Which of the following is NOT a true statement about diffusion? Diffusion ______. A) proceeds until equilibrium is reached B) is driven by entropy C) requires no input of energy into the system D) occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated E) is a result of the kinetic energy of atoms and molecules 17) A glycerol with three fatty acids attached is referred to as a ______. A) nucleic acid B) fat C) steroid D) prostaglandin E) protein

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18) ______ is a hydroxyl group. A) -SH B) -H C) -NH2 D) -COOH E) -OH

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19) Anaphase II is essentially the same as mitotic anaphase except that in anaphase II ______ and in mitotic anaphase ______. A) the cells are haploid and sister chromatids separate . . . the cells are diploid and homologous pairs separate B) crossing over occurs . . . crossing over does not occur C) chromosomes line up double file on the midline of the cell . . . chromosomes line up single file on the midline of the cell D) the cells are diploid . . . the cells are haploid E) tetrads do not form . . . tetrads form 20) Energy is transferred from ATP to other molecules by transferring a(n) ______. A) heat B) adenosine C) spring D) photon E) phosphate group 21) Homologous chromosomes ______. A) always carry identical variants of genes B) do not include the sex chromosomes C) carry the same gene sequence D) are a set of chromosomes that the cell received from one parent E) were formed when they separated during anaphase

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22) Which of the following sequences is arranged from simplest to most complex? A) everything in the Florida Everglades (both living and nonliving), everything alive in the Florida Everglades, an alligator in the Florida Everglades, all the alligators living in the Florida Everglades, nervous tissue, brain, brain cell, phospholipid, carbon B) everything in the Florida Everglades (both living and nonliving), everything alive in the Everglades, an alligator in the Florida Everglades, all the alligators living in the Florida Everglades, nervous tissue, brain, brain cell, phospholipid, carbon C) carbon, phospholipid, brain cell, nervous tissue, brain, an alligator in the Florida Everglades, all the alligators living in the Florida Everglades, everything alive in the Florida Everglades, everything in the Florida Everglades (both living and nonliving) D) molecule, atom, population, community, cell, tissue, ecosystem, organism E) carbon, phospholipid, brain cell, brain, nervous tissue, all the alligators living in the Florida Everglades, an alligator in the Florida Everglades, everything alive in the Florida Everglades, everything in the Florida Everglades (both living and nonliving) 23) Ten kilocalories are equivalent to ______ calories. A) 10,000 B) 0.01 C) 0.1 D) 100 E) 1,000

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24) Which of these is a hypothesis? A) My car is too old to function properly. B) If my car does not start and I recharge the battery then my car will start. C) What is wrong with my car? D) My car will not start. E) My car's battery is dead. 25) What are saturated fats saturated with? A) hydrogen B) phosphorus C) oxygen D) nitrogen E) carbon 26) When two solutions that differ in solute concentration are placed on either side of a selectively permeable membrane, and osmosis is allowed to take place, the water will ______. A) exhibit a net movement to the side with lower water concentration B) not cross the membrane C) exhibit a net movement to the side with higher water concentration D) exhibit a net movement to the side with lower solute concentration E) exhibit an equal movement in both directions across the membrane

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27) Sunlight is an example of ______ energy. A) stored B) kinetic C) created D) conserved E) potential

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28) What is the basic unit of life? A) DNA B) nuclei C) cells D) A, G, C, and T E) organelles 29) How many chromosomes will a gamete produce as a result of nondisjunction? A) n + 1 only B) 2n + 1 OR 2n - 1 C) n + 1 OR n - 1 D) 2n - 1 only E) 2n + 1 OR n - 1 30) In a hypotonic solution, a plant cell will ______. A) undergo plasmolysis B) pump out excess water C) burst D) become flaccid E) become turgid 31) The primary structure of a protein is ______. A) an helix or a pleated sheet B) the amino acid sequence of the polypeptide chain C) irregular folding D) composed of two or more polypeptide chains E) maintained by hydrogen bonds 32) An atom's protons are found in its ______. A) molecule B) shell C) orbital D) nucleus E) neutron

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33) If a cell's lysosomes burst, the cell would ______. A) need to manufacture more lysosomes B) become flaccid C) divide into two cells D) digest itself E) shrivel 34) ______ is a carcinogen that may promote colon cancer. A) Fat B) Estrogen C) A virus D) Testosterone E) UV light 35) Usually, enzymes are ______. A) fats B) phospholipids C) monosaccharides D) proteins E) steroids 36) Which of these is NOT a function of the plasma membrane? A) cell signaling B) attachment to the extracellular matrix C) cell-cell recognition D) enzymatic activity E) control center of the cell 37) What is the genetic complement of an individual with Turner syndrome? A) 4n B) 2n - 1 C) n + 1 D) n - 1 E) 2n + 1

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38) Sweating cools your body by ______. A) irradiation B) conduction C) evaporative cooling D) convection E) radiation

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39) Which of these is deductive testing? A) My car is too old to function properly. B) What is wrong with my car? C) My car will not start. D) If my car does not start and I recharge the battery then my car will start. E) My car's battery is dead. 40) Given the reaction: galactose + glucose A) monomer B) protein C) lipid D) polysaccharide E) polymer 41) Anything that prevents ATP formation will most likely ______. A) result in the conversion of kinetic energy to potential energy B) result in cell death C) force the cell to rely on ADP for energy D) have no effect on the cell E) force the cell to rely on lipids for energy 42) Which of the following is a function of the plasma membrane? A) fat synthesis B) protein synthesis C) regulation of the passage of material into and out of the cell D) control center of the cell E) intracellular digestion 43) The genetic material is duplicated during ______. A) G1 B) the mitotic phase C) G2 D) the S phase E) mitosis lactose + water, galactose is a ______.

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44) Plant cells, unlike animal cells, are characterized by the presence of a ______. A) nucleus and cell wall B) cell wall and central vacuole C) cell wall and contractile vacuole D) cell wall and ribosomes E) nucleus and contractile vacuole 45) An atom with an an electrical charge is a(n) ______. A) ion B) molecule C) radioisotope D) compound E) isotope 46) An atom with a positive charge has ______. A) more protons tha