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BIO101 final exam 2017

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Subject: Biology
Due on: 08/09/2017
Posted On: 08/09/2017 03:08 AM

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MULTIPLE CHOICE SECTION INSTRUCTIONS: Please answer all questions.

Each question is worth 1 point. Total points for this section is 30 points.

**Do not enter your answers here.** Type in the letter you select as the best answer on the Answer Sheet provided by your instructor.

Use the following information to answer questions 1 and 2 below. ***

Labrador Centronuclear Myopathy (CNM) is genetic disease in Labrador retrievers that results in insufficient muscle function, poor muscles tone, exercise intolerance, and awkward gait. CNM only develops in dogs that are homozygous recessive (pp) for the PTPLA gene. You are a dog breeder and there is one puppy in a new litter that has CNM. Neither of the puppy’s parents have CNM.

1. What are the parents’ genotypes for the gene responsible for CNM?

A) pp and pp

B) Pp and Pp

C) PP and PP

D) PP and Pp

2. Which of the following best describes the mother’s genotype?

A) Homozygous recessive

B) Heterozygous

C) Homozygous dominant

D) Heterozygous and Homozygous dominant

3. In biological systems most of the original energy from the sun is lost as?

A) Light

B) Kinetic energy of motion

C) Heat

D) Potential chemical energy

4. All of the following are common or recurrent themes in biology except?

A) Organisms grow, develop, and reproduce

B) Function determines structure

C) Matter is recycled while energy flows through living systems

D) Living organisms maintain homeostasis

E) Evolutionary processes explain both the unity and adaptive diversity of life

5. In the following chemical reaction, what is carbon dioxide (CO2)?

Organic molecule + 6O2 ? 6CO2 + 6H2O + energy

A) independent variable

B) product

C) substrate

D) enzyme

6. Which of the following is true regarding chemical bonds?

a) Chemical bonds are an unbreakable union of two atoms

b) Chemical bonds are an energetic interaction, or relationship, that occurs between two atoms

c) Chemical bonds are a physical linkage of two atoms

d) Chemical bonds are the result of energy emitted by radioactive atoms

7. The genome of the bacterium, Helicobacter pylori, is composed of 19% guanine. Which of the following must also be true of its double stranded genome?

A) 19% cytosine

B) 62% adenine

C) 31% thymine

D) 19% uracil

8. You observe the following outside your window: A chipmunk is munching away on a bean plant in your garden when a black rat snake grabs and eats the chipmunk. What is the chipmunk in this situation?

A) predator

B) primary consumer

C) prey

D) secondary consumer

E) both B and C

9. You are observing and tracking the population of bobcats in a Pennsylvania state park. At the beginning of your study, there were 48 bobcats in the park. In one year, you counted 60 kittens born and noted the death of 15 bobcats. What is the per capita rate of change for this population of bobcats?

A) 0.3125

B) 1.25

C) 1.5626

D) 0.9375

10. The addition of the green fluorescent protein gene from a jellyfish to the genome of the zebra fish in order to produce a fluorescent green colored fish is an example of what?

a) genetic engineering

b) genetic drift

c) evolution

d) selective breeding

11. Cellular respiration occurs in which types of cells?

a) Bacterial

b) Animal

c) Plant

d) Protist

e) All of the above

12. Dr. Kitty Hauke is studying lobsters in Maine. She noticed that over several years the average length of pincers had increased within this population. She hypothesized that having larger pincers provided a fitness advantage. To test her hypothesis, she introduced 75 large pincer lobsters and 75 small pincer lobsters into an isolated bay area that was similar to the lobsters’ natural sea environment. Over 10 years, Dr. Hauke observed this isolated population of lobsters. What would she likely observe if her hypothesis was incorrect?

A) The percent of lobsters with large pincers would decrease.

B) There were fewer small pincer lobsters mating during mating season.

C) More large pincer lobsters could be found mating during mating season.

D) The percent of lobsters with large pincers would increase.

13. Microevolution is to population as macroevolution is to __________.

A) Individuals

B) Communities

C) Biodiversity

D) Species

14. Active transport requires energy in order to move molecules ____________ the concentration gradient while simple and facilitated diffusion require no energy to move molecules __________ the concentration gradient.

A) Along ; against

B) Along ; along

C) Against ; along

D) Against ; against

15. Limiting factors:

A) Can be unpredictable natural events

B) Can be both biotic and abiotic

C) Can lead to unlimited population growth

D) A and B

E) A and C

F) B and C

G) All of the above

16. Cell is to ________ as gene is to heredity.

A) Organism

B) Organelle

C) Life

D) Biology

17. Allopatric speciation involves geography but _________________ speciation involves genetic change.

A) Sympatric

B) Parapatric

C) De novo

D) Peripatric

18. A common theme in biology is that energy flows through biological systems while matter __________.

A) Flows

B) Cycles

C) Multiplies

D) Stagnates

19. You have discovered a new substance that you suspect may be a living organism. All of the following are characteristics this substance would need in order to be classified as living EXCEPT:

A) Be made of organic molecules

B) Evolve

C) Grow, develop and reproduce with the help of DNA

D) Not contain carbon atoms

E) Use energy and raw materials to survive

20. The following is a picture of a Tomato Hornworm, which is the caterpillar stage of the five-spotted hawkmoth (Manduca quinquemaculata). The white objects protruding from the caterpillar are wasp eggs. The wasps lay their eggs on the horn worms so that when the larvae hatch they can feed on the worm.

Which term best describes the relationship between the wasps and the Tomato hornworms?

A) Mutualism

B) Competition

C) Predation

D) Symbiosis

***Use the following to answer questions 21-24 below. ***

Consider the following hypothetical metabolic pathway (each letter after the word “Molecule” represents a group of atoms):

21. What is the reactant for this pathway?

A) Molecule C

B) Molecule COO

C) Molecule COOL

D) Enzyme 1

22. What is the intermediate for this pathway?

A) Molecule C

B) Molecule COO

C) Molecule COOL

D) Enzyme 1

23. Which of the following best describes this metabolic pathway?

A) The pathway is anabolic

B) The pathway is catabolic

24. All of the following would allow for more of the product of this metabolic pathway to be produced, EXCEPT?

A) Increasing the amount of Enzyme 2

B) Increasing the amount of Molecule C

C) Adding an activator for Enzyme 1

D) Adding an inhibitor for Enzyme 1

E) Removing an inhibitor of Enzyme 2

25. In Central Dogma: DNA is ________________ into RNA, and RNA is ______________ into proteins.

A) Translated ; transcribed

B) Replicated ; translated

C) Transcribed ; translated

D) Replicated ; transcribed

26. What is the genotype for the individual labeled “1” in the pedigree below? (Black circles or squares represent individuals born with a genetic disease such as cystic fibrosis)

A) AA

B) Aa

C) aa

D) Either AA or Aa

27. Which of the following is an example of sexual selection?

A) A diamondback rattlesnake with a color pattern that allows it to blend in better with the desert sand.

B) A farmer cross pollinating two zucchini plants.

C) Male blue-footed boobies dancing to show off their bright blue feet to female blue-footed boobies.

D) A scientist inserting an Escherichia coli gene into the genome of Staphylococcus aureus.

28. Consider a rabbit, which of the following is true regarding its DNA?

A) All of its cells contain the same DNA.

B) Each cell type contains its own unique DNA.

C) Rabbit brain cells and kidney cells express the same DNA genes.

D) Rabbit DNA uses a different molecular backbone than mouse DNA.

29. Which of the following is the correct order of ecological organizational levels starting from the largest and most inclusive to the smallest and least inclusive?

A) Population > biosphere > community > individual > ecosystem

B) Community > individual > population > biosphere > ecosystem

C) Biosphere > ecosystem > community > population > individual

D) Individual > population > ecosystem > community >biosphere

30. You are studying passive diffusion of a molecule called FLUBBER across a semipermeable membrane, which is mimicking the phospholipid bilayer of eukaryotic cells. FLUBBER moves from side A to B. Which of the following can you conclude?

A) Side A had a lower FLUBBER concentration initially compared to side B.

B) Side A had a higher FLUBBER concentration initially compared to side B.

C) Side A had the same initial FLUBBER concentration as side B.

SHORT ANSWER SECTION

Each question is worth 10 points. Total points for this section is 30 points.

Answer THREE out of the five questions listed below. Each answer should be between two paragraphs and half a page long. Answers will be graded for accuracy and completeness, as well as spelling and grammar.

**Do not enter your answers here** Type your answers into the Answer Sheet provided by your instructor.

1. At the beginning of the spring, Dr. Allan notices that there is an equal distribution of long and short stemmed buttercups in the vacant lot across the street from his house, which is never cut, as well as in his own backyard. By the end of the summer he notes that there are mostly long stemmed buttercups in the lot, but mostly short stemmed buttercups in his yard, which he regularly mows. These observations are examples of what biological principle? Develop a hypothesis to explain Dr. Allan’s observations.

2. You are analyzing the ingredients in a new hot dog that is going to be put on the market soon. A) Explain the biological function of these natural chemicals that you might find in a hot dog: protein, fat, carbohydrate, vitamins.

B) Would it be healthier to eat a hot dog that contains mainly saturated fat, or one that contains mainly unsaturated fat? Explain your answer

3. Discuss a specific example of how human activities can affect the environment.

4. All living organisms can reproduce. Describe at least four other characteristics of life, and for each one give a specific example of how this characteristic applies to humans, or other organisms.

5. Describe what is meant by mutualism, parasitism and commensalism, and give a specific example of each of these three types of ecological relationship.

ESSAY SECTION

Answer TWO out of the 5 questions below. Each answer should be approximately one page long. Answers will be graded for accuracy and completeness, as well as spelling and grammar.

Each question is worth 20 points. Total points for this section is 40 points.

**Do not enter your answers here.** Type your answers into the Answer Sheet provided by your instructor.

QUESTIONS

1. Before bringing a new drug to the marketplace, extensive testing is done on the drug by administering the drug to large numbers of individuals. Explain the importance of the scientific method, sample size, controls and variables in the drug evaluation process.

2. Give details of the structure and function of at least 6 different organelles in the cell. You should also state whether each organelle is found only in animals, only in plants, or in both animals and plants.

3.Explain the scientific Theory of Evolution. Give at least three different types of evidence for evolution, and give at least one specific example of an organism, or organisms, for each type of evidence.

4.Compare and contrast artificial selection (traditional breeding of plants and animals) and genetic modification of organisms (GMOs). In your answer also include the following: two advantages and two disadvantages for each technique, as well as one specific example of each.

5.Explain the main stages of mitosis (you may use diagrams) and contrast the processes of mitosis and meiosis in an animal cell.

Tags 0 exam final bio101 following ofthe answer lobsters population answers enzyme molecule explain gene thefollowing flubber points energy questions example order provided mating pincers chemicalbonds pincer long best type concentration describes cells large individual

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Preview: + xxxx + xxxxxxxxxxxxxxxxx variableproductsubstrateenzymeWhich of xxx following is xxxx regarding xxxxxxxx xxxxxx Chemical xxxxx are an xxxxxxxxxxx union of xxx atomsChemical xxxxx xxx an xxxxxxxxx interaction, or xxxxxxxxxxxxx that occurs xxxxxxx two xxxxxxxxxxxxx xxxxx are x physical linkage xx two atomsChemical xxxxx are xxx xxxxxx of xxxxxx emitted by xxxxxxxxxxx atomsThe genome xx the xxxxxxxxxx xxxxxxxxxxxx pylori, xx composed of xxx guanine Which xx the xxxxxxxxx xxxx also xx true of xxx double stranded xxxxxxx 19% xxxxxxxxxxx xxxxxxxxxx thymine19% xxxxxxxxx observe the xxxxxxxxx outside your xxxxxxx A xxxxxxxx xx munching xxxx on a xxxx plant in xxxx garden xxxx x black xxx snake grabs xxx eats the xxxxxxxx What xx xxx chipmunk xx this situation? xxxxxxxxxxxxxxx consumerpreysecondary consumerboth x and x xxx are xxxxxxxxx and tracking xxx population of xxxxxxx in x xxxxxxxxxxxx state xxxx At the xxxxxxxxx of your xxxxxx there xxxx xx bobcats xx the park xx one year, xxx counted xx xxxxxxx born xxx noted the xxxxx of 15 xxxxxxx What xx xxx per xxxxxx rate of xxxxxx for this xxxxxxxxxx of xxxxxxxx x 31251 xxx 56260 9375The xxxxxxxx of the xxxxx fluorescent xxxxxxx xxxx from x jellyfish to xxx genome of xxx zebra xxxx xx order xx produce a xxxxxxxxxxx green colored xxxx is xx xxxxxxx of xxxxx genetic engineering xxxxxxx drift evolutionselective xxxxxxxxxxxxxxxx respiration xxxxxx xx which xxxxx of cells? xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx of the xxxxxxx Kitty xxxxx xx studying xxxxxxxx in Maine xxx noticed that xxxx several xxxxx xxx average xxxxxx of pincers xxx increased within xxxx population xxx xxxxxxxxxxxx that xxxxxx larger pincers xxxxxxxx a fitness xxxxxxxxx To xxxx xxx hypothesis, xxx introduced 75 xxxxx pincer lobsters xxx 75 xxxxx xxxxxx lobsters xxxx an isolated xxx area that xxx similar xx xxx lobsters’ xxxxxxx sea environment xxxx 10 years, xx Hauke xxxxxxxx xxxx isolated xxxxxxxxxx of lobsters xxxx would she xxxxxx observe xx xxx hypothesis xxx incorrect? The xxxxxxx of lobsters xxxx large xxxxxxx xxxxx decrease xxxxx were fewer xxxxx pincer lobsters xxxxxx during xxxxxx xxxxxx More xxxxx pincer lobsters xxxxx be found xxxxxx during xxxxxx xxxxxx The xxxxxxx of lobsters xxxx large pincers xxxxx increase xxxxxxxxxxxxxx xx to xxxxxxxxxx as macroevolution xx to __________ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx transport xxxxxxxx xxxxxx in xxxxx to move xxxxxxxxx ____________ the xxxxxxxxxxxxx gradient xxxxx xxxxxx and xxxxxxxxxxx diffusion require xx energy to xxxx molecules xxxxxxxxxx xxx concentration xxxxxxxx Along ; xxxxxxxxxxxx ; alongAgainst x alongAgainst x xxxxxxx Limiting xxxxxxxx Can be xxxxxxxxxxxxx natural eventsCan xx both xxxxxx xxx abioticCan xxxx to unlimited xxxxxxxxxx growthA and xx and xx xxx CAll xx the aboveCell xx to ________ xx gene xx xx heredity xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx speciation involves xxxxxxxxx but _________________ xxxxxxxxxx involves xxxxxxx xxxxxx SympatricPar.....
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