Mock Review
Quiz by Brittany Clark
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15 questions
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- Q1Study the nucleotide sequence: AGTACGC Which nucleotide sequence below represents the corresponding portion of an RNA strand formed from the sequence?UCAUGCGGCUGACAGTACTGCTCUTGCG60s
- Q2For certain medical procedures, body parts (such as organs and tissues) may require transportation over great distances. Certain procedures must be followed for the body parts to remain usable for the patient. During a pancreatic transfer, specialists have to be mindful of trypsin (an enzyme located in the pancreas). If the trypsin is functioning normally during such transfers, early decay of the pancreas will occur. If the pancreas decays, the transplant will be unsuccessful. Which of the following procedures will be necessary for a team of clinical specialists to follow to ensure a successful transplant?The pancreas should be stored at 50°C to ensure optimal enzymatic activity during transport.The pancreas should be stored around 20°C to slow down the enzyme activity and prevent further decay.The pancreas should be stored at 65°C or greater to ensure that all pancreatic proteins are denatured during the transport.The pancreas should be stored around 40°C since that is normal human body temperature.120s
- Q3The graph shows changes in population for the sea otter and sea urchin in the same stretch of water over a 24-year period. Which of the following best describes the time period in which the sea otter population consumed the sea urchins faster than the sea urchins could reproduce?after the year 1997before the year 1988before the year 1994after the year 2003120s
- Q4Charles Darwin studied the finches of the Galapagos Islands. He identifies several species of finches living on the different islands. These finches were similar, but they all had different beak shapes. Which of the following is the best explanation for their differing beak shape?Different food sources were available on the different islands, so the finches had to evolve a beak shape to eat different foods when they migrated to different islands.More than one animal species was competing for the same food source, so the finches evolved a beak shaped to eat another type of food in order to survive.Food sources on the different islands selected in favor of finches with certain beak shapes.Reproductive isolation caused the finches to have different shaped beaks.60s
- Q5A scientist has several types of bacteria to classify. Which of these tests will allow the scientist to correctly classify the bacteria as either Eubacteria or Archaebacteria?the presence or absence of peptidoglycan in the cell wallthe presence or absence of a nucleusthe presence or absence of chitin in the cell wallhow the bacteria obtain food45s
- Q6Which of the following mutations is most likely to produce a phenotypic change in offspring that will be passed to future generations?a substitution in a gene carried in the chromosomes of a somatic cella mutation in the chromosomes of a gametea mutation in the gamete that results in a fatal diseasea deletion in a gene carried in the chromosomes of a somatic cell45s
- Q7On the Galapagos Islands, Charles Darwin studied many species of finches found nowhere else in the world. Each species had developed unique structures for eating different foods. Darwin's finches are among the best examples of an evolutionary process by which new biological species arise. This process is known asmagnificationadaptive radiationspeciationgenetic drift45s
- Q8A genetic change that occurs in a body cell of a mouse will not contribute to the evolution of the species becausethe evolution of a species can result from changes in reproductive cells, not body cellsrandom changes are repaired by enzymes before they are passed on to offspringbody cell mutations will cause the cell to die before it reproducesthe evolution of a species is caused by natural selection, not genetic variation45s
- Q9The diagram shows a beaker of water and molecules of red dye at the beginning of an experiment (Time 1) and the same beaker of water and molecules of red dye after 30 minutes (Time 2). Which of the following best explains what happened?Molecules of red dye moved by active transport from a higher concentration to a lower concentration.Molecules of water moved by osmosis from a higher concentration to a lower concentration.Molecules of water moved by active transport from a higher concentration to a lower concentration.Molecules of red dye moved by diffusion from a higher concentration to a lower concentration.60s
- Q10Which reproductive pattern would be associated with a species that is most likely to undergo rapid evolutionary change?asexual reproduction with a short reproductive cyclesexual reproduction with a short reproductive cycleasexual reproduction with a long reproductive cyclesexual reproduction with a long reproductive cycle45s
- Q11The diagram below represents a process that occurs in a structure of a specialized cell. Which row in the chart correctly identifies the letters in the diagram?Row 1Row 2Row 4Row 3120s
- Q12Which of the following statements about diffusion and osmosis is true?Both osmosis and diffusion involve the movement of molecules from areas of higher concentration to areas of lower concentration.Diffusion moves water using protein channels in cell membranes, and osmosis moves water without using protein channels.Osmosis requires energy, but diffusion does not.Both osmosis and diffusion involve the movement of molecules from areas of lower concentration to areas of higher concentration.60s
- Q13Which of the following best describes the evolutionary theory of punctuated equilibrium?Biological change occurs quickly over a short period of time and is followed by long periods of little or no change.Events that have occurred throughout the history of life have caused the extinction of species.Biological change occurs slowly and steadily over a long period of time.Periodically, a major catastrophe kills all forms of life. After the catastrophe, new forms of life spontaneously emerge to occupy available habitats.60s
- Q14The diagram represents a plant cell. Which process takes place in structure A?cellular respirationprotein synthesisdigestion of fatsheterotrophic nutrition45s
- Q15The diagram illustrates the movement of glucose across a cell membrane. Which two processes are most directly represented in this diagram?ATP synthesis and the diffusion of waterhomeostasis and the diffusion of waterpassive transport and ATP useactive transport and ATP use45s
