A. carbon, hydrogen, oxygen B. helium, hydrogen, oxygen 1. The six most common elements found in living organisms are nitrogen, phosphorus, sulfur ___________, ____________ and ______________. A. carbon, hydrogen, oxygen B. helium, hydrogen, oxygen C. hydrogen, oxygen, calcium D. sodium, calcium, oxygen

2. What property of water allows insects, like the one pictured below, to walk on water? A. adhesion B. cohesion C. surface tension D. hydrogen bonding E. All but A

3. The STD, genital warts is caused by a strain of A. bacteria B. prion C. RNA D. virus

4. All bacteria are A. Eukaryotes B. Trikaryotes C. Mykaryotes D. Prokaryotes

5. The one element found in all organic compounds is A. Oxygen B. Calcium C. Carbon D. Sulfur

6. The three different types of bonds found in living organism are A. covalent , carbon, and hydrogen B. Ionic, carbon, and nuclear C. cohesive, adhesive, and covalent D. hydrogen, ionic, and covalent

7. What property of water causes a meniscus like the one pictured below to form? A. water tension B. cohesion C. adhesion D. surface tension

8. MRSA is a A. Bacterial infection B. Staph infection C. Both A and B D. Neither A nor B

9. If you do not understand a direction or part of a lab procedure, you should A. Figure it out as you do the lab B. Ask the teacher before proceeding C. Try several methods until something works D. Skip it and go on to the next part

A. Anthrax B. Botulism C. Scarlet Fever D. Leprosy 10. The only other mammal beside humans to contract this disease is the armadillo. A. Anthrax B. Botulism C. Scarlet Fever D. Leprosy

Use diagram below to match the answer to the correct label in #11-14. 11. Tail fiber 12. Collar 13. Capsid containing DNA 14. Tail A B D C

15. Which phrase best describes atoms? Positively charged particles Parts of a nucleus Smallest basic units of matter Single celled organism

Proven by more than one scientist 16. Which of the following is an important characteristic of a scientific theory? Proven by more than one scientist Unchanged by new evidence Accepted by the public Supported by much evidence

17. In an experiment, the condition that is manipulated by the scientist is the Independent variable Dependent variable Constant Control condition

18. Which best describes a scientific hypothesis? Provable Theoretical Testable Quantifiable

19. The maintenance of constant internal conditions in an organism is known as Homeostasis Negative feedback Structure specialization Adaptation

20. The basic unit of life is The cell An atom DNA A species

21. Which of these characteristics is shared by all living things? They are made up of one or more cells They make their own chemical energy They have similar responses to light They reproduce when one cell divides into two

22. An ion is formed when an atom gains or loses Protons Neutrons Bonds Electrons

23. Atoms connected by covalent bonds share Hydrogen ions Carbon and oxygen Ionic compounds Pairs of electrons

Nonpolar Negatively charged Uncharged (neutral) Oppositely charged 24. Hydrogen bonds can form between regions of polar molecules that are Nonpolar Negatively charged Uncharged (neutral) Oppositely charged

25. The attraction among molecules of different substances is called Cohesion Surface tension Adhesion Specific heat

26. Carbon is unique due to the carbon atom’s Hydrogen bonding strength Six outer unpaired electrons Ionic compounds Bonding properties

Unsaturated fatty acids Phospholipids Carbohydrates Proteins 27. Which category of carbon-based molecules includes sugars and starches? Unsaturated fatty acids Phospholipids Carbohydrates Proteins

28. Fats, oils, and cholesterol are all types of Fatty acids Lipids Hormones Cell membranes

29. Proteins are composed of which molecules? Nucleic acids Monosaccharides Fatty acids Amino acids

30. Unlike a eukaryotic cell, a prokaryotic cell does not have DNA A nucleus A cell membrane Cytoplasm

31. What is the term for the jellylike substance that is contained inside the cell membrane? Nucleus Organelle DNA Cytoplasm

32. DNA and RNA are two types of Carbohydrates Lipids Nucleic acids Proteins

33. What are the main differences between plants and animals cells? Plant cells have cell walls and chloroplasts; animal cells do not Animal cells have cell walls and chloroplasts; plant cells do not Plant cells are eukaryotes and animal cells are not Animal cells are eukaryotes and plant cells are not Lady Jenna’s Plant Cell

34. All the chemical processes used to build up or break down materials are called an organism’s Stimuli Homeostasis Adaptations Metabolism

35. Similar organisms that can reproduce by interbreeding belong to the same Ecosystem Environment Habitat Species

36. What is the name given for genetic changes in living things over time? Adaptation Homeostasis Evolution Negative feedback

37. A physical environment with different species that interact with one another and with nonliving things is called a(n) A. Adaptation B. Habitat C. Biosphere D. Ecosystem

37 1/2 In the diagram below, the items marked #5 are A. Paramecium B. Flagellum C. Nucleoid D. Ribosome

38. If a cell has organelles, a nucleus, chloroplasts, and a central vacuole, it is Prokaryotic Eukaryotic Bacterial Animal

39. Which organelle is the storehouse for most of a cell’s genetic information? Mitochondrion Chloroplast Centriole Nucleus

40. Which organelle supplies energy to the cell? Vacuoles Mitochondria Centrosomes Ribosomes

41. Which process occurs inside the chloroplasts? Protein synthesis Detoxification Ribosome assembly Photosynthesis

42. Gram staining is used to identify the type of A. pyrite B. prion C. bacteria D. virus

43. When a protein is destroyed, it is said to have been A. de-robed B. dissolved C. rehabilitated D. denatured

44. The diagram shows what type of secondary structure protein? A. peptide chain B. alpha-helix C. beta-pleated sheet D. omega-pleated sheet

45. In the body hydrogen bonds form between hydrogen and either A. Helium or Sulfur B. Oxygen or Sodium C. Oxygen or Nitrogen D. Oxygen or sulfur

46. Fats store what percent of the energy in your body.

47. Which of the following is least likely to be broken down in the body to make ATP? A. protein B. carbohydrates C. glucose D. fats

48. Four characteristics that something is alive are: A. Made of cells, homeostasis, metabolism, moves B. Homeostasis, reproduction, grow & develop C. Moves, reproduction, made of cells, grow & develop D. Breath, move, reproduce, excrete

49. Prions are A. Viruses that put holes in your brain B. Small cells that infect the brain with “mad cow” disease C. Small bacteria that make you dizzy and sick to your stomach D. Proteins gone bad that cause problems in the brain

50. Smallpox is a Bacterial infection Viral infection Disease caused by prions D. Disease carried by fly bites

51. The examples of waxes found in organisms are: Earwax, wax on bird feathers, honeycomb Paste wax, finger nails, earwax Simonize, earwax, wax on bird feathers Candle wax, earwax, honeycomb

52. The diagram below is a picture of a Bacterial cell B. Virus cell Animal cell Protist cell

53. Unlike chemoautotrophs, photoautotrophs obtain energy A. Directly from of the sun B. Directly from inorganic molecules C. Indirectly from other organisms D. Indirectly from inorganic molecules

54. The difference between bacteria and viruses is A. Bacteria are multi-cellular and viruses are unicellular B. Bacteria can cause disease and viruses cannot C. Bacteria have RNA and Viruses have DNA D. Bacteria are alive and viruses are not

55. An infection in which the DNA of a virus is embedded into a host cell and replicated with host DNA is called Lysogenic Lytic C. Oncogenic D. Capsid

56. The outer layer of a virus is composed of Proteins RNA DNA Viral genes

57. The primary structure (1o) of a protein is a A. Alpha-helix B. Protein surrounded a sulphur molecule C. Beta-pleated sheet D. A string or chain of amino acids.

58. You have been injured in the laboratory (cut, burn, etc. ) 58. You have been injured in the laboratory (cut, burn, etc.). First you should Visit the school nurse B. Tell the science instructor at once C. See a doctor after school D. Apply first aid yourself

59. In a scientific laboratory, the following should not be worn A. Dangling jewelry B. Loose clothing C. Sandals D. A, B, and C.

60. The following are all true about Filoviridae-Marburg Ebola virus except, Once contracted, the death rate is 90 to 99 % Your blood vessels blow up crash and die C. Bleeding will occur from every opening D. It shows up primarily in western United States

61. The largest in size of all the protists is A. Rhodophyta B. Phaeophyta C. Chlorophyta D. Chrysophyta

62. Which of these organisms have pseudopodia? A. Ciliates B. Mastigophorans C. Amoeba D. Sporozoans

63. In science, the prefix “lys” means A. To grow B. To shrink C. To reproduce D. To burst