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Directions: Record all answers on your scantron form. You may write in this test booklet but only your scantron wil be scored. 1-POINT record your name as: Last, First (make sure I can sere 45. A bacterim such as e colf is a single celled organism made out of these types of eells a) prokaryote b) eukaryote 46. This chemical messenger is released when injury to the body occurs and it causes the beginning of the immune response enlarging blood vessels increasing blood flow into the injured area a) alcohol b) carbon dioxide c) histamine d) oxygen e) nicotine 47. The oily secretions made by specialized glands a) keeps the skin supple so that it won't erack and dry out b) decreases production as we age leading to drier more easily damaged skin in the elderly c) contains a naturally occurring antibiotic d) all of the above e) none of the above 48. Antibiotic can kill: a) prokaryotes such as bacteria b) eukaryotes e) fungi d) virus e) plants 49. Which of the following is made from eukaryotic cells? a) people b) bacteria c) fungid treese) birds ab) all except b 50. The recently discovered oldest cells on our planet are called a) eukaryotes b) prokaryotes c) archaebacteria 51. The perception of "itch/ithcy" is a form of a) touch sense b) vibratory sense c) the mildest form of pain d) balance sense b) False 52. Regardless of skin color all human skin has the same number of melanocytes a) True 53. A person with the genetic condition known as Albinism have the same number of melanocytes as a dark complexioned person a) True False 54. The protein melanin comes in many shapes and sizes giving us all the human skin tone variations a) True 55. Getting a tan in the sun is healthy as long as you do not burn 56. When you tan radiation is interacting with DNA in the cells that are most prone to developing cancer b) False a) True b) False a) True b) False Page 5 of 6 57 questions

Explanation / Answer

ANSWER 45
a) prokaryote

ANSWER 46
c) histamine

ANSWER 47
d) All of the above

ANSWER 48
a) prokaryotes such as bacteria

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