Final Module 1 (16-17) PART 1 Question Preview (ID: 37524)


Practice Questions For Module 1 Of The Biology/Lab Biology Final (16-17).

A poison bonds to the active site of an enzyme. Which function is the enzyme most likely unable to perform because of the poison molecule?
a) the catalysis of the reaction with the substrate
b) the supply of activation energy for a reaction
c) the release of stored chemical energy
d) the donation of electrons to the substrate

Differentiate between the functions of the rough ER and the Golgi apparatus in the endomembrane system.
a) The ribosomes on the rough ER produce proteins, while the Golgi apparatus packages the proteins for shipping.
b) The ribosomes on the Golgi apparatus produce proteins, which are then activated in the rough ER.
c) None of these correctly differentiates between the rough ER and the Golgi apparatus.
d) The rough ER detoxifies the protein, which is only activated in the Golgi apparatus.

Which statement best describes a difference between prokaryotic and eukaryotic cells?
a) The presence of both DNA and ribosomes in prokaryotic cells indicates that they are more complex than eukaryotic cells.
b) The presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells.
c) The larger size of prokaryotic cells indicates that they are more complex than eukaryotic cells.
d) The larger size of eukaryotic cells indicates that they are more complex than prokaryotic cells.

The chloroplast and mitochondria are also featured in the Endosymbiotic theory. Which of the following best supports this theory?
a) Both have their own DNA, ribosomes, and two membranes.
b) Both have their own DNA and ribosomes.
c) Both have ribosomes
d) Both have their own DNA, ribosomes, two membranes, and are used to transform energy.

Which statement accurately differentiates between the vacuole and the ribosome?
a) The vacuole produces enzymes, while ribosomes store water.
b) The vacuole is primarily used to protect the cell from impact, while ribosomes are used to produce ribosomes.
c) The vacuole produces proteins, while ribosomes store excess proteins.
d) The vacuole is primarily used to store materials, while ribosomes are used to produce proteins.

Which statement accurately differentiates between the cells of plants and animals and bacterial cells?
a) Plant and animal cells are eukaryotic and have membrane-bound organelles, while bacterial cells are prokaryotic.
b) Plant and animal cells are unicellular and have multiple organelles, while bacterial cells are multicellular.
c) Plant and animal cells have cytoplasm, while bacterial cells only have cytosol.
d) Plant and animal cells have DNA, while bacterial cells only have RNA.

Which of the following statements correctly differentiates between the properties of water?
a) Water is a universal solvent because most chemicals dissolve in it. Water's unique density allows ice to float.
b) Cohesion allows water to stick to plant leaves. Adhesion allows it to stick together in a drop.
c) High specific heat allows organisms to maintain their temperature. Water's unique density allows organisms to go under water.
d) All of these statements are true.

Cells are largely made of organic compounds that contain carbon. Which property of the carbon atom makes it an essential component of organic compounds?
a) Carbon is a nonmetal
b) Carbon oxidizes to carbon dioxide
c) Carbon is solid at room temperature
d) Carbon can form four covalent bonds

Which of the following correctly differentiates between carbohydrates and lipids?
a) Carbohydrates store long term energy and consist of long chains of C and H
b) Carbohydrates store short term energy and consist of rings of C and H
c) Lipids store long term energy and consist of rings of C and H
d) Lipids store short term energy and consist of long lines of C and H.

Proteins and polysaccharides are polymers. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?
a) Only polysaccharides are comprised of repeating units of cytosine, adenie, guanine, and thymine.
b) Only proteins are formed from amino acids joined by peptide bonds.
c) Only polysaccharides can be folded and twisted into very specific shapes.
d) Only proteins can be large molecules with thousands of subunits.

The opening of stomata allows water to evaporate from inside the leaf in a process known as transpiration. As this occurs, water molecules cling together and pull water up the stem from roots to leaves. Which property of water makes this possible?
a) Cohesion
b) Freezing Point
c) High specific heat
d) temperature-dependent density

Which sequence represents the correct order of levels of organization found in a complex organism?
a) cells, organelles, organs, organ systems, tissues
b) tissues, organs, organ systems, organelles, cells
c) organs, organ systems, cells, tissues, organelles
d) organelles, cells, tissues, organs, organ systems

A CH2 molecular structure was located in the plasma membrane of a cell. This CH2 molecular structure contained a negatively charged phosphate group. Which statement best describes the primary function of this molecule in the membrane?
a) It contains genetic information needed for protein production.
b) It catalyzes specific chemical reactions in the cytoplasm.
c) It stores the energy that a cell needs to perform various life processes.
d) It allows a cell to regulate the movement of materials into and out of a cell.

Pizza Joe has been murdered! Police officers swarm the pizza shop searching for evidence that can identify the killer. Which type of macromolecule would be the best piece of evidence for the police to find?
a) Nucleic acids, because they are the genetic material and can be used to ID the killer.
b) Lipids, because they can be used to identify the killer by his/her fats.
c) Proteins, because they are the genetic material and can be used to ID the killer.
d) Carbohydrates, because they can be used to identify the killer by his/her fats.

Which ecological term represents the biotic and abiotic components in an area?
a) ecosystem
b) species
c) community
d) population

Which of the following is the correct sequence of steps in the process of scientific inquiry?
a) Forming a hypothesis, Evaluating results, Questioning an observation, Analyzing data, and testing the hyptohesis
b) Testing the hypothesis, Analyzing data, Questioning an observation, Evaluating results, and Forming a hypothesis
c) Questioning an observation, Forming a hypothesis, Testing the hypothesis, Analyzing data, and Evaluating results
d) Forming a hypothesis, testing the hypothesis, questioning an observation, analyzing data, evaluating results

The basic unit of life is called a(n)
a) cell
b) tissue
c) organ
d) organism

Groups of cells represent different
a) systems that are responsible for a specific life activity
b) organs that help carry out a specific life activity
c) organelles that carry out different functions
d) tissues in which similar cells function together

Humans require multiple systems for various life functions. Which statement below correctly matches the organ system to the organs within it?
a) Respiratory: heart and lungs
b) Circulatory: heart and lungs
c) Digestive: stomach and intestine
d) Reproductive: stomach and intestine

Which of the following statements accurately justifies why an organism may be considered living?
a) It is made of at least one cell, it breathes, it moves, and it reproduces.
b) It is made of at least one cell, needs energy, reacts to the environment, and reproduces.
c) It is multicellular, moves, needs energy, and reproduces
d) It is multicellular, breathes, needs energy, and reproduces

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