1. 2 nd Semester Review

2. 0 Which of the following is not found in animal cells? 0 A. Golgi bodies 0 B. chloroplast 0 C. lysosome 0 D. Mitochondria

3. 0 Lysosomes are organelles that contain ________________ to break down food and cell waste. 0 A. bacteria 0 B. cellular molecules 0 C. digestive enzymes 0 D. viruses

4. 0 What are the structures in the cytoplasm of a cell called? 0 A. organs 0 B. organelles 0 C. organ systems 0 D. tissues

5. 0 A __________________ is the smallest unit of an organism that carries out the functions of life. 0 A. atom 0 B. molecule 0 C. cell 0 D. tissue

6. 0 Mitosis and meiosis are processes involved in cellular reproduction. Which of the following describes an event that results from mitosis but NOT meiosis? 0 A. two stages of cell division 0 B. replication of cellular genetic material 0 C. daughter cells that are identical to the parent cell 0 D. four daughter cells that are produced from each parent cell

7. 0 Which of the following phases of mitosis is represented by the diagram at the botton? ? 0 A.prophase B. metaphase C. anaphase D. telephase

8. 0 The twisted shape of DNA is called a 0 a. double ladder 0 b. double helix 0 c. nucleotide 0 d. base pair.

9. 0 Blue flowers (B) are dominant. Green flowers (b) are recessive. If a male blue flower plant with genotype Bb is crossed with a female blue flower plant with genotype Bb, what is the percent chance that they will have a green flower offspring. 0 a. 0% b. 25% c. 50% d. 75%

10. 0 An abnormal condition that a person inherits through genes or chromosomes is a 0 a. pedigree. 0 b. gene therapy. 0 c. genetic disorder 0. d. genetic chromosome

11. 0 Phenotype is the 0 a. physical characteristics 0 b. alleles that make up the gene 0 c. dominant genes

12. 0 The chart showing classifications of elements according to their properties and increasing atomic numbers is called 0 a. element table 0 b. periodic table 0 c. group table

13. 0 Which feature on the Periodic Table is used to identify an element? 0 a. atomic mass 0 b. charge 0 c. group 0 d. atomic number

14. 0 True or False? The horizontal rows are called groups and the vertical rows are called periods.

15. 0 Substances with a pH higher than 7 are __________________. 0 a. acidsb. basesc. neutrald. radicals

16. 0 AB → A + B is an example of which kind of reaction? 0 a. Synthesis 0 b. Decomposition 0 c. Exchange

17. 0. Which scientist invented the periodic table? 0 a. Gregor Mendel 0 b. Watson and Crick 0 c. Albert Einstein 0 d. Dimitri Mendeleev

18. 0 The distance and direction from a starting point to an ending point is defined as _____________________. 0 Distance 0 Displacement 0 Velocity 0 Acceleration

19. 0 Unequal forces that do not cancel each other out wen acting on an object. It causes a change in the objects motion. 0 Balanced Force 0 Gravitational Force 0 Unbalanced Force 0 Velocity

20. 0 ________________ Equals the distance traveled divided by the time needed to travel that distance. 0 Acceleration 0 Force 0 Speed 0 Displacement

21. 0 The force between two surfaces in contact that resists the sliding of the surfaces past each other is called ____________________. 0 Friction 0 Gravitational Force 0 Acceleration 0 Displacement

22. 0 A doorknob, pencil sharpener, and automobile are examples of what type of machine? 0 a. Wheel and axle 0 b. pulley 0 c. inclined plane 0 d. wedge

23. 0 ______A crowbar is an example of what type of machine? 0 a. Pulleyb. wedgec. inclined planed. lever

24. 0 ______An ax and a knife are examples of what type of machine? 0 a. Screwb. Wheel and axlec. Leverd. Wedge

25. 0 ______A water well is an example of what type of machine? 0 a. Inclined planeb. Leverc. Pulleyd. Screw

26. 0 Static electricity is 0 An imbalance of positive and negative charged atoms 0 A build up of electrical charges on an object 0 Electricity that flows through wire from 1 place to another 0 None of the above

27. 0 In a parallel circuit with multiple bulbs, if you unscrew one bulb, ____________. 0 All of the bulbs would go out 0 None of the bulbs would go out 0 That one bulb would go out

28. 0 This type of wave vibrates in a perpendicular direction. 0 Transverse 0 b. Longitudinal 0 c. Water 0 d. Electrical

29. 0 The distance between two crests is called __________. 0 a. Amplitudeb. Wavelengthc. Frequency

30. 0 The displacement of a wave is called ___________. 0 a. Amplitude 0 b. Displacement 0 c. Frequency 0 d. Wavelength

31. 0. Short EM waves, like gamma waves, have decreased wavelength and _____________ frequency. 0 a. increased 0 b. decreased 0 c. the same 0 d. none of the above

32. 0 As the energy increases, the wavelength ______________ 0 a. increases 0 b. decreases 0 c. stays the same 0 d. none of the above