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Biology Discretes Test w. solutions

Biology Discretes Test w. solutions - Biology Discretes...

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Biology Discretes Test Time: 30 Minutes Number of Questions: 30 This test consists of 30 discrete questions—questions that are NOT based on a descriptive passage. These discretes comprise 15 of the 77 questions on the Physical Sciences and Biological Sciences sections of the MCAT.
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MCAT 2 as developed by BIOLOGY DISCRETES TEST DIRECTIONS: The following questions are not based on a descriptive passage; you must select the best answer to these questions. If you are unsure of the best answer, eliminate the choices that you know are incorrect, then select an answer from the choices that remain. Indicate your selection by blackening the corresponding circle on your answer sheet. 1 . Which of the following are characteristic of animal and fungal cells, but NOT bacterial cells? I. They are eukaryotic. II. They possess ribosomes. III. They possess cell walls. IV. They reproduce asexually. A . I only B . I and 1I only C . I, II, and III only D . II III, and IV only 2 . What is the function of a lysosome’s membrane? 3 . The solid line in the figure below shows the course of the reaction A + B C + D in the absence of its catalyst. Which of the dotted lines would best represent the course of the same reaction in the presence of its catalyst? potential energy reaction coordinate 2 3 4 1 4 . A culture of red blood cells is grown on a nutrient medium containing dinitrophenol which is a poison that blocks the electron transport chain. Under these conditions: GO ON TO THE NEXT PAGE.
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Biology Discretes Test KAPLAN 3 5 . Down’s syndrome is a human genetic disorder that can be caused by the nondisjunction of chromosome 21 during meiosis. During which phase of meiosis does nondisjunction occur? A . Interphase B . Prophase C . Anaphase D . Metaphase 6 . Brain cells of the housefly Musca domestica have 6 pairs of chromosomes. Therefore, it can be concluded that:
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