Ultimate Biology Class To Study Quiz

106 Questions | Total Attempts: 148

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Ultimate Biology Quizzes & Trivia

All my quizzes and test questions combined throughout the year for my biology class to study for my final.


Questions and Answers
  • 1. 
    If an atom has a charge of +1, which of the following must be true?
    • A. 

      It has the same number of protons as electrons.

    • B. 

      It has two more protons than neutrons.

    • C. 

      It has one more electron than it does protons.

    • D. 

      It has one more proton than it does electrons.

  • 2. 
    When a complex molecule, such as a polypeptide, folds up in solution in water, regions of the moleculewith _________ bonds will be near the surface (associated with water molecules) because theseregions are ____________.
    • A. 

      Non-polar / hydrophilic

    • B. 

      Non-polar / hydrophobic

    • C. 

      Polar / hydrophobic

    • D. 

      Parched / thirsty

    • E. 

      Polar / hydrophilic

  • 3. 
    Which of the following properties of water is NOT affected by the strong cohesion between H2O molecules?
    • A. 

      Heat Of vaporization

    • B. 

      Specfic heat

    • C. 

      Surface tension

    • D. 

      Ph

    • E. 

      Adhesion

  • 4. 
    Carbon has proven to be an extremely useful backbone element for complex biological molecules dueto strong electronegativity and valence number of 7, which allows carbon atoms to attract electrons fromalmost any other element.
    • A. 

      True

    • B. 

      False

  • 5. 
    A chemical reaction in which the product has more potential chemical energy than the reactants iscalled endergonic.
    • A. 

      True

    • B. 

      False

  • 6. 
    One atom named Stan shares electrons with Betty. Between them they share 4 electrons. What kind ofbond do they share?
    • A. 

      Single Bond

    • B. 

      Valance Bond

    • C. 

      Double Bond

    • D. 

      Bond Of Love

  • 7. 
    When Sodium loses an electron to chlorine it becomes?
    • A. 

      A cation

    • B. 

      As mad as @#$#@%^&

    • C. 

      An Anion

    • D. 

      Negatively charged

  • 8. 
    The two most common elements in the human body by number (not by mass) are _________and_________ .
  • 9. 
    A solution contains 1 X 10-12 moles of H+ per liter. What is its pH?____________ Is the solution considered acidic or basic?_______________
  • 10. 
    Molecules of this type are bonded together in_______________ reactions to form a_________________.
    • A. 

      Exergonic/ hydrogen bond

    • B. 

      Ionic/ nucleotide

    • C. 

      Hydrolysis/ prion

    • D. 

      Condensation/ polypeptide

    • E. 

      Aminocarboxylation / protein

  • 11. 
    Amino acids with ___________ groups that contain __________ are likely to be hydrophilic.
    • A. 

      Functional / hydrogen

    • B. 

      R/ Oxygen

    • C. 

      Hydroxyl/ oxygen

    • D. 

      Phosphate/ oxygen

    • E. 

      Ketone/ nitrogen

  • 12. 
    Which one of the following is NOT a component of each monomer used to make proteins?a carboxyl group, COOHa side chain, Ra phosphorous atom, Pan amino functional group, NH2
    • A. 

      A carboxyl group, COOH

    • B. 

      A side chain, R

    • C. 

      A phosphorous atom, P

    • D. 

      An amino functional group, NH2

  • 13. 
    Why are polymerization reactions endergonic?
    • A. 

      They release heat. making the reatant monomers move faster

    • B. 

      They reduce entropy

    • C. 

      Because the condensation and hydrolysis reactions are equally spontaneous.

    • D. 

      Because polymers are energetically more stable and have lower potential energy than monomers do.

  • 14. 
    At the pH found in cells (about 7.0), what happens to the amino group on an amino acid?
    • A. 

      It is reduced, and tends to act as an electron donor in redox reactions.

    • B. 

      It acts as an acid and loses a proton, giving it a negative charge.

    • C. 

      It acts as a base and gains a proton, giving it a positive charge.

    • D. 

      It remains neutral, like water, and does not have a charge.

  • 15. 
    Suppose you discovered a new amino acid. Its R-group contains only hydrogen and carbon atoms.Predict the behavior of this amino acid.
    • A. 

      Relative to the amino acids found in organisms, its interactions with water will be intermediate.

    • B. 

      It is hydrophilic.

    • C. 

      It is hydrophobic.

    • D. 

      Relative to the amino acids found in organisms, its interactions with water will be very high.

  • 16. 
    An isomer of a particular molecule is :
    • A. 

      A molecule that has the same formula, but a different structure.

    • B. 

      Another copy of the same molecule.

    • C. 

      A molecule that is the same except it has an additional side group.

    • D. 

      A molecule that has the same structure as the target molecule, but a different formula.

  • 17. 
    To act as an effective coolant in a car's radiator, a substance has to be a liquid at the temperaturesfound in your car's engine and have the capacity to absorb a great deal of heat. You have a referencebook with tables listing the physical properties of many liquids. In choosing a coolant for your car,which table would you check first?
    • A. 

      Heat of vaporization

    • B. 

      Specific heat

    • C. 

      Ph

    • D. 

      Density at room temperature

  • 18. 
    You have isolated a previously unstudied protein, identified its complete structure in detail, anddetermined that it catalyzes the breakdown of a large substrate. You notice it has two binding sites.One of these is large, apparently the bonding site for the large substrate; the other is small, possibly abinding site for a regulatory molecule. What do these findings tell you about the mechanism of thisprotein?
    • A. 

      It is probably a structural protein found in cartilage or skeletal tissue.

    • B. 

      It is probably a structural protein that is involved in cell-to-cell adhesion.

    • C. 

      It is probably an enzyme that works through allosteric regulation.

    • D. 

      It is probably a cell membrane transport protein–like an ion channel

    • E. 

      It is probably an enzyme that works through competitive inhibition.

  • 19. 
    Which of the following means of transport would most likely be used for moving a medium-sized molecule (like amonosaccharide or an amino acid) from a low concentration on the outside of a cell to a high concentration onthe inside of a cell?
    • A. 

      Facilitated diffusion through a transporter protein

    • B. 

      Facilitated diffusion through an ion channel protein

    • C. 

      Passive transport

    • D. 

      Active transport through a "pump" protein

  • 20. 
    GLUT-1 is an example of what?
    • A. 

      A recognition protein that identifies cells as belonging to the body

    • B. 

      A transport protein that facilitates diffusion of a large molecule across cell membranes

    • C. 

      A protein that is toxic to cells by opening channels in membranes

    • D. 

      A membrane-bound pump that moves large molecules against a gradient by using ATP

  • 21. 
    The small intestine is the site of digestion and absorption of nutrients. A single layer of epithelial cells lines thesmall intestine. In the duodenum (the first section of the small intestine), these epithelial cells secrete largequantities of digestive enzymes. Which of the following features would be typical of these epithelial cells?
    • A. 

      They have more smooth endoplasmic reticulum than rough endoplasmic reticulum.

    • B. 

      They have larger nuclei than cells that secrete large quantities of lipids

    • C. 

      They contain large quantities of rough endoplasmic reticulum.

    • D. 

      They contain large numbers of lysosomes.

  • 22. 
    What is the site of synthesis of proteins for export (secretion from the cell)?
    • A. 

      Free ribosomes

    • B. 

      Ribosomes that attach to the outer mitochondrial membrane

    • C. 

      Ribosomes that attach to the endoplasmic reticulum

    • D. 

      Ribosomes that attach to the Golgi complex

  • 23. 
    Which of the following is not a characteristic that chloroplasts and mitochondria share?
    • A. 

      They both have their own DNA.

    • B. 

      They are capable of reproducing themselves.

    • C. 

      They both have multiple membranes.

    • D. 

      They are both part of the endomembrane system.

  • 24. 
    How is the nuclear membrane related to the endoplasmic reticulum?
    • A. 

      Ribosomes that exit the nucleus through the nuclear pore complex attach to ribosome receptor locations on the endoplasmic reticulum, thus providing a means of communication between the two structures.

    • B. 

      The inner and outer bilayers of the nuclear envelope are separated by a space that is continuous with the space inside the endoplasmic reticulum, thus providing direct contact between the two structures

    • C. 

      The nuclear lamina anchors the endoplasmic reticulum, providing structural support and communication through direct contact

    • D. 

      The nucleolus is present in the nucleus, but communicates directly with the endoplasmic reticulum.

  • 25. 
    What is a purpose of the cell wall for both prokaryotes and plant cells?
    • A. 

      To provide a means of cell-cell interaction

    • B. 

      To protect the cell from the effects of a hypotonic environment

    • C. 

      To regulate the passage of solutes into and out of the cell

    • D. 

      To enable the cell to obtain nutrients from its environment

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