HSA Biology Public Release 2005 - mdk12

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Session 1 ■18 Certain plant crops are genetically engineered to grow faster and resist disease. These genetically engineered plant crops cannot reproduce because they have a “terminator” gene that keeps their seeds from sprouting. However, once the genetically engineered plant crops are planted outside, they may cross-pollinate with unaltered plant crops. The use of terminator genes is least likely to result in F G H J increased costs for seeds decreased varieties of food terminator genes spreading to other crops scientists being harmed from working with the terminator genes (4)MDB01382 D irections Use the information and the diagrams below to answer Numbers 19 and 20. A student observed different types of cells under a microscope. Four of the cells he observed are shown below. Cell Wall Mitochondrion Nucleus Chloroplast Cell Wall Micronucleus Macronucleus Food Vacuole Cell 1 Cell 2 Cell 3 Cell 4 ■19 Which of these structures in Cell 3 releases energy for use in cell processes? ■20 Cell 4 has many hair-like structures that it uses for movement. What are these structures called? A nucleus F cilia B cell wall G flagella C chloroplast H vacuoles D mitochondrion J pseudopodia Biology Public Release 2005 Page 14 Copyright © 2005 by Maryland State Department of Education.
Session 1 ■21 Which of these organ systems is responsible for the removal of metabolic wastes from the blood? A B C D endocrine nervous respiratory excretory (4)MDB00981 Biology Public Release 2005 Page 15 Copyright © 2005 by Maryland State Department of Education.
Page 1 and 2: BIOLOGY Public Release 2005
Page 3 and 4: Session 1 Sample A Which of these i
Page 5 and 6: Session 1 ■3 The table below show
Page 7 and 8: Session 1 D irections Use the infor
Page 9 and 10: Session 1 ■9 The energy required
Page 11 and 12: Session 1 ■10 According to the pa
Page 15: Session 1 17 BCR Scientists are stu
Page 21 and 22: Session 1 ■27 Hemoglobin is an im
Page 23 and 24: Session 2 Biology Public Release 20
Page 25 and 26: Session 2 ■33 Cells in the stomac
Page 27 and 28: Session 2 ■34 Hydrothermal vent c
Page 29 and 30: Session 2 38 BCR Galactosemia is an
Page 31 and 32: Session 2 ■41 Which of these is p
Page 33 and 34: Session 2 ■42 Coyotes and gray wo
Page 35 and 36: Session 2 48 BCR Mammals are expose
Page 37 and 38: Session 2 ■53 A researcher recent

HSA Biology Public Release 2005 - mdk12

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