Biol 320 An employee at a prestigious institute observes often

13 Jun Biol 320 An employee at a prestigious institute observes often

Question
Name: ________________ Spring 2014Biol 320 Quiz 1 DUE:February 12 2014.

GENERAL INSTRUCTIONS: PLEASE SUBMIT YOUR QUIZ IN THIS FILE FORMAT: LASTNAME_Q1.DOC OR LASTNAME_Q1.DOCX.

Part I INSTRUCTIONS: Highlight, fill in the blank or box for the first section. Each answer is worth 2 point. DO NOT REMOVE ANY ANSWER!

1. An employee at a prestigious institute observes often that geese appear to defecate only on the sidewalk. If the employee had the time to investigate this further using the scientific method, what would be the employee’s best next step?

a. experiment

b. conclusion

c. hypothesis

d. analysis

e. none of the above

2. If the acidity of the solution is increased then the Hydrogen ion concentration increases.

a. True

b. False

3. Match this antibody with the correct antigen?

.gif”>.gif” alt=”Slide1.png”>

4. T or F. The pH of lime juice is around 4.0 and that of bicarbonate solution around 8.0; the difference is 4 meaning that beer is10000 times more acidic than seawater.

5. T or F. The atomic mass number equals the number of neutrons plus the number of electrons.

6. Which of the following tests are inappropriately matched?

a. ELISA: immunoassay

b. Christmas Tree Stain: sperm

c. Luminol: pineapple juice

d. PSA: semen

e. None of the above

7. Which of the following is correct for fingerprints?

a. Fingerprints identification is based on a hierarchy containing six levels.

b. Fingerprints are anidentifier, thatalways changes over time.

c. Matches between known and unknown fingerprints are ascertained at the level of minutiae.

d. The Henry system classifies fingerprints through assigning values to loops on different fingers.

e. All of the above

8. Which of the following statements concerning blood typing is incorrect?

a. An individual with blood type O produces antigens to blood Type AB and Type B.

b. Both antigens and antibodies are found in the plasma.

c. Type B bloodproduces antibodies against Type A.

d. Agglutination is the term used to describe a positive blood antigen-blood type reaction.

e. Type O is the universal donor.

9. Enzymes contained in the ________________ are involved in the transcription of ribosomal RNA.

a. smooth endoplasmic reticulum

b. nucleus

c. phagozome

d. nucleolous

e. vacuole

10. Prophase is part of the cell cycle when…?

a. the chromosomes align in the middle of the cell.

b. cytokinesis proceeds.

c. the chromosome condense and become visible.

d. a cell grows and duplicates its DNA.

11. If a biological molecule contains a six carbon sugar, base and phosphate, then it is most likely a…

a. basic acid.

b. fatty acid.

c. nucleic acid.

d. no such combination exists in life as we learnt it.

12. A complete autopsy report includes…

a. the manner and cause of death.

b. the results of both external and internal autopsy

c. a toxicology report

d. all of the above.

13. Which of the following is matched correctly?

a. ricin: Poland assassination attempt

b. belladonna: ugly woman

c. methamphetamine: Breaking Bad

d. hemlock: Aristotle

14. Which of the following tests is specifically and directly tests forspermatozoa (pick all that apply)?

a. PSA test

b. the Christmas tree stain

c. microscopic detection of sperm

d. acid phosphatase test

15. The abdomen of an insect contains spiracles, which are similar in function to our nostrils.

a. True

b. False

16. It is possible for a man with blood type A+ and a woman with blood type B+ to produce a child with blood type O+.

a. True

b. False

17. Oxidative phosphorylation is a _______ _______, that uses energy to produce ______ ______.

a. electron donor, potential energy

b. metabolic pathway, adenosine triphosphate

c. ATP synthesis, free radicals

d. light source, potential energy

18. Flourescent dyes or chemicals are used to detect fingerprints on paper.

a. True

b. False

19. Latent fingerprints can be detected by fuming with super glue.

a. True

b. False

20. Which of the following pairs can be used to determine sex and stature…

a. skull and metacarpals

b. pubis symphysis and skull

c. femur and skull

d. skull and sciatic notch

21. Which of the following bonesARE useful in determining sex?

a. fourth left rib

b. pelvis

c. femur

d. skull

22. An insect that is known to infest a corpse later and clean itto the bone is the…

a. cheese skipper

b. dermestid beetle

c. blow fly

d. blue fly

23. If the time to reach the end of the first instar is 3 h at 25 deg C, then the ADH is…

a. 69 deg-hours

b. 75 deg-hour

c. 3425 deg-hours

d. 850 deg-hours

24. Where does most of the absorption of alcohol take place?

a. The stomach

b. The lungs

c. The lower part of the large intestine

d. The upper part of the small intestine

25. The medical examiner is allowed to make the determination of time of death.

a. True

b. False

Part II (each correct answer is worth 1 point)

26. Given the following list of reactants and products of a hydrolysis reaction, which is the breaking down of larger molecules by adding water to disrupt a bond, match the correct reactant with the correct product?

Reactants

Products

Answer

A. Starch

Glycine

B. Poly(glycine)40

Nucleotides

C. Enzymes

Glucose

D. RNA

Glycerol and fatty acids

E. Triglycerides

Amino Acids

27. What are the building blocks of the following polymers?

Polymer

Building Block

DNA

Protein

Starch

Cellulose

RNA

PART III: Short Answer/Essay. The followingare worth 10 points.

23. What is the difference between presumptive test and comfirmatory test in a crime scene? Provide and example of each?

24. Define whether the following would be considered a toxin or a poison, and provide information on what is lethal dose versus a medicinal dose.

Substance

Toxin or Poison

Nonlethal

Lethal

Medical Use if any

Morphine

Scopolamine

Curare

Botox

Cobra Venom

24. A mass grave was unearthed and only four skulls, three pelvises, and several long bones were intact; the remaining skeletal parts were demolished beyond recognition. About two years ago, a family of five on vacation disappeared and there last known whereabouts was in this wilderness area where they were thought to be camping. Given these items how might you process in determine the sex, age and stature of the possible victims and whether these comprised a family unit based on forensic anthropology only; this means no DNA. This is basically a logic exercise.

25. Police found two partially decomposed bodies in Stone Mountain Park, GA. The temperature was between 80-90 °F for the past two weeks, wind 0 -5 mph, and no precipitation. Both were infested with maggots. In one, maggots not only resided in the standard places, but also in unusually places like the arms and the palms of the hands; in the other individual, the lower half of the naked body was wrapped. You are called to the possible crime scene. Explain why the two individuals displayed different displays of maggot infestation? Explain how you would determine the post mortem interval.