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Name: ______________________________ Period: ___________ Date: _________________ Review Guide/FINAL EXAM Biotechnology Unit: Polyploidy, Hybridization, Gene, mutation, selective breeding, DNA Base Pair Rule, Inbreeding, restriction enzyme, gel electrophoresis, DNA polymerase, recombinant DNA, PCR, transgenic organism, plasmid, clone Directions: Use word bank above to fill in appropriate term Term (Fill in) Diagram / Definition Adenine (A) pairs with Thymine (T) Cytosine(C) pairs with Guanine (G) Segment of DNA that codes for traits such as hair color and height Choosing the “best” traits for breeding. This is how pure breed dogs came to existence and common vegetables like corn. Over the years chickens have been breed to produce a “more” meaty bird. HK Biology CP Final Exam Review Worksheet | 1

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Name: ______________________________ Period: ___________ Date: _________________

Review Guide/FINAL EXAM

Biotechnology Unit: Polyploidy, Hybridization, Gene, mutation, selective breeding, DNA Base Pair Rule, Inbreeding, restriction enzyme, gel electrophoresis, DNA polymerase,

recombinant DNA, PCR, transgenic organism, plasmid, clone

Directions: Use word bank above to fill in appropriate term

Term (Fill in) Diagram / Definition

Adenine (A) pairs with Thymine (T)Cytosine(C) pairs with Guanine (G)

Segment of DNA that codes for traits such as hair color and height

Choosing the “best” traits for breeding.This is how pure breed dogs came to existence and common vegetables like corn.

Over the years chickens have been breed to produce a “more” meaty bird.

Crossing different organisms to bring out the best traits of each.

New fruit is made by combining two different fruits.

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Hip Problems in Pure Breeds

Continued breeding of the individuals with the same characteristics.

Inbreeding, such as with Golden Retrievers, increases the likelihood of disease or deformities.

A Mutation is any change in DNA.

Deletion is when a segment of DNA is omitted from the sequence, therefore deleting that characteristic.

Means many sets of Chromosomes

Humans have 2 sets of chromosomes (23 pairs), but plants such as the banana can have 3 or 4 sets of chromosomes.

An enzyme used to cut DNA into specific fragments.

The DNA sequence has been cut between Guanine and Thymine.

A method used to analyze DNA.

Small DNA pieces move farther away

An enzyme that copies DNA.

The DNA polymerase follows along the “unzipped” DNA strand, filing in the base pair and creating a complete double helix again.

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When a sequence of DNA from another organism or same organism is inserted into DNA.

Example: the DNA from a firefly is inserted into a mouse to make it glow.

A technique used to copy a segment of DNA between the two primers.

Scientists make copies of sequences of DNA to help them manipulate and analyze it

Disease fighting meds in cornAlso referred to as a Genetically Modified Organism (GMO).

Any organism that contains genes from another species.

A small ring of DNA found in bacterial cells. Used to transport genes of a different organisms into the host cell

An organism produced from one cell that is genetically identical to the desired organism.An exact copy.

1. Explain the steps in making recombinant DNA (Hint: you need plasmid)

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2. List 3 advantages AND disadvantages of genetically modified foods.

Advantages:

1.

2.

3.

Disadvantages:

1.

2.

3.

DNA and Protein Synthesis

1. Define the following:

DNA-

RNA -

Protein-

Replication-

Transcription-

Translation-

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2. Match the following terms to their corresponding description:

tRNA mRNA rRNA

a._____ attaches to the ribosome in the cytoplasm

b._____ brings the amino acid to the ribosome

c._____ delivers the message of DNA into the cytoplasm

d._____ combines with proteins to make up the ribosome

e._____ has a codon (3 bases) that matches with the triplet in DNA

3. Where is DNA found in the cell? ____________________

4. Where are ribosomes found in the cell? _____________________

5. The primary function of DNA in cells is toa. serve as a storage form for unused nucleotidesb. occupy space in the nucleus to keep the nucleus from collapsingc. store information that tells the cells which proteins to maked. serve as template for making long, spiral carbohydrates

6. According to the base-pairing rules, guanine (G) binds with a. cytosine (C) b. adenine (A) c. thymine (T) d. guanine (G)

7. During DNA replication, the enzyme DNA polymerasea. separates the two nucleotide chains in a DNA moleculeb. constructs new nucleotide chains that are complementary to the chains in the original `DNA moleculec. breaks down the original DNA molecule into individual nucleotidesd. joins two DNA molecules into a single molecule

8. A section of one DNA strand has the sequence ACCGAGGTT. What is the sequence of an mRNA transcribed from this section of DNA?

a. ACCGAGGUUb. ACCGAGGTTc. TGGCTCCAAd. UGGCUCCAA

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9. What process is shown in the diagram to the right?

a. replicationb. transcriptionc. translationd. protein synthesis

10. Draw an mRNA strand

that is complementary to the DNA strand AATTGC. Circle a nucleotide.

11. Write a description explaining the process of making protein from DNA using the following

terms: mRNA, DNA replication, transcription, translation, ribosome, tRNA, protein

12. What happens if there is a mutation in the RNA sequence?

Genetics

______ 1. genes A. Specific characteristics that vary among individuals

______ 2. hybrids B. The offspring of true breeding parents with different traits

______ 3. traits C. Factors that determine traits

______ 4. alleles D. Sex cells, egg or sperm

______ 5. gametes E. The different forms of a gen

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6. In FAIRY PEOPLE the allele for YELLOW WINGS (Y) is DOMINANT to BLUE (y).

YY:____________ Yy:___________ yy :_____________

7. In rabbits, B is the allele for black coat and b is the allele for brown coat.

What is the genotype of a homozygous black rabbit? ____________

What is the genotype of a heterozygous black rabbit?____________

8. What % of the offspring will be brown when 2 heterozygous black rabbits mate? ________

Complete the Punnett Square below to find the answer. POSSIBLE OFFSPRING

GENOTYPE PHENOTYPE

____ ___________ ___________ ___________

___________ ___________

9. Purple Toes are dominant to pink toes. If a heterozygous women marries a pink toed man, what percent of their offspring will have pink toes?

10. What is a sex-linked trait?

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11. Which sex (male or female) is more likely to have a sex-linked trait passed on? Why?

12. In fruit flies, eye color is a sex-linked trait. Red is dominant to white.

a. What are the sexes and eye colors of flies with the following genotypes:

XRXr : __________ XRY: __________ XrXr: _________

XRXR: __________ XrY: __________

b. What are the genotypes of these flies:

White eyed, male: _________ red eyed female (heterozygous): _______

White eyed, female: ________ red eyed, male: _________

c. Show the cross of a white eyed female XrXr with a red eyed male XRY.

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13. Following a Pedigree

The affected members of the family all have curly hair, a dominant trait in humans. Trace the curly hair in the following pedigree. For each person write their possible genotype below their symbol on the diagram.

a. Females are represented by:___________________

b. Males are represents by:_______________________

c. The shaded shapes represent:______________________________________

d. How many generations are shown in the pedigree? ________

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Mitosis and Meiosis

1. Explain the similarities and differences between haploid and diploid cells.

2. Complete the Comparison Table Below

Feature Mitosis Meiosis

Number of daughter cells

(2 or 4)

Number of chromosomes ( are they haploid or diploid)

Genetic similarity

(identical or varied)

Type of cells

How many divisions does each go through

3. A cell spends the majority of its life in this part of the cell cycle _________________, where it grows and replicated chromosomes.

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Evolution

1. DDT is an insecticide that was first used in the 1940s to kill mosquitoes and stop the spread of malaria. At first, it was very effective. However, over a period of years, people began to notice that it was becoming less and less effective. However, over a period of years, people began to notice that it was becoming less and less effective. A possible explanation was that the insects were becoming “resistant” to the DDT. Explain how the resistance may have evolved.

2. Write a paragraph in which you explain Darwin’s concepts of the struggle for existence . Use the words: reproduction, competition, food, resources (Hint.think of a few examples and choose 2 to write about, has to do with evolution).

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3. Organisms require food and water to survive. Since there isn’t always an endless amount of food and water, there are limiting factors. Suppose a bear must eat 10 fish a day to survive. The river nearby provides about 100 fish a day without harming the fish population. Five bears could easily live in this area because they would only need 50 fish total. But if there were 15 bears they would not all survive because there would not be enough food. No matter how much shelter and water there was, the population would not get larger than 10 bears for any extended period of time.

a. How can food and water limit population growth?

b. Is food a limiting factor for plants? Why or Why not (think about adaptations)?

4. Summarize the 5 main concepts of Darwin’s theory of evolution

(pg 386 in your text book).

1.

2.

3.

4.

5.

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5. What is carrying capacity (refer to the graph above for help)?

6. How are limiting factors such as food and space related to carrying capacity?

7. Define

a. Immigration-

b. Emigration-

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Nervous System

Part A: Definitions: Define the following terms, IN YOUR OWN WORDS, IN AS FEW WORDS AS CLARITY ALLOWS.

Myelin sheath

PNS

CNS

nerve

Somatic nervous system

reflex arc

Autonomic nervous system

Cerebrospinal fluid

Spinal cord

Cerbral cortex

Part B - Short Answers

1. The peripheral nervous system may be divided into the __________________ division and the __________________ division.

2. The largest portion of the human brain is the __________________.3. The __________________ nervous system causes the heartbeat to slow down.4. The central nervous system contains the __________________ and __________________.5. The somatic nervous system controls __________________ muscles. The autonomic

controls __________________ muscle and __________________.6. The autonomic has two parts, the __________________ for emergency situations, and the

__________________ for everyday situations.

7. Label the neuron below.

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8. Which structure above is most responsible for the fast speed of nerve transmission? _____________________________

9. Across which “spaces” do nerve impulses “jump”? __________________

10. List the structures, in order, that a nerve impulse would travel through this neuron. __________________

11. Fill in the blanks to indicate what happens during a spinal reflex arc. A stimulus is received by a __________________ organ, which initiates an impulse in __________________ neuron. The neuron takes the message to the cord and transmits it to the __________________. This neuron passes the impulse to the __________________ neuron, which takes the message from the cord and innervates a muscle causing a reaction to the stimulus.

12. Fill in the table below to indicate the functions of the parts of the brain.Part Function

cerebrumpinealhypothalamuscerebellumpituitary

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Immune System

True or False

Write true if the statement is true or false if the statement is false, correct the statement.

______ 1. Pathogens are physically forced out of the respiratory tract when a person coughs.

______ 2. In a healthy human, the skin’s surface contains no bacteria.

______ 3. Pathogen is a technical term for germ.

______ 4. All immune system responses are specific; there are no nonspecific defenses.

______ 5. The common cold is caused by a bacterium.

______ 6. Strep throat is caused by a virus.

______ 7. Mucus made by the respiratory system is the 2nd line defense

______ 8. The main function of red blood cells is to make antibodies.

______ 9. Histamines reduce inflammation.

______ 10. The third line of defense is nonspecific.

______ 11. The base of a Y-shaped antibody is the part of the protein that binds specifically to an antigen.

______ 12. Inflammation of the skin can result from a bee sting.

______ 13. An allergen is any antigen that causes an allergic reaction in a sensitive person.

______ 14. Histamines stimulate inflammation.

______ 15. HIV is an example of an autoimmune disease.

______ 16. Multiple sclerosis is an example of an autoimmune disease.

______ 17. People who have received an organ transplant often are treated with drugs that suppress their immune system.

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Critical Reading

Read this passage from the lesson and answer the following questions.

First Line of Defense

The immune system has three lines of defense. The first line of defense includes a variety of barriers against pathogens that keep most pathogens out of the body. Pathogens are disease-causing agents, such as bacteria and viruses. Defenses in the first line are the same regardless of the type of pathogen. This is why they are called nonspecific defenses.

Mechanical Barriers

Mechanical barriers physically block pathogens from entering the body. The skin is the most important mechanical barrier. In fact, it is the single most important defense of the body against pathogens.

At body openings, such as the mouth and nose, the body has a different mechanical barrier. Instead of skin, mucous membranes line these and other organs that are exposed to the outside environment. Mucous membranes secrete mucus, a slimy substance that coats the membranes and traps pathogens. Mucous membranes also have cilia, which are tiny projections that have wavelike motions. The movements of cilia sweep mucus and trapped pathogens toward body openings to be removed from the body.

Pathogens are removed from the respiratory tract when you sneeze or cough. In addition, tears wash pathogens from the eyes, and urine flushes pathogens out of the urinary tract. Chemical Barriers

Chemical barriers are proteins that destroy pathogens at the body’s surface. The skin and mucous membranes secrete proteins that kill many of the pathogens with which they come into contact. For example, enzymes called lysozymes—which are found in sweat, mucus, tears, and saliva—kill pathogens by breaking open their cell walls.

Questions

18. Name and briefly describe the immune system’s first line of defense.

19 How can the skin be considered part of the immune system?

20. What are mucous membranes? Where are they found?

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Multiple Choice

Circle the letter of the correct choice.

21. A component of the immune system’s first line of defense is

d. the spine. c. the skin. b. antibodies. a. cytokines.

22. Lysozymes

d. produce acid from protein. c. are antibodies that bind to red blood cells. b. are enzymes that break down bacterial cell walls. a. are enzymes that break down histamines.

23. Mucus is produced by

d. none of the above c. by the respiratory tract, but not by the intestinal tract. b. by healthy tissues, including the respiratory tract and intestinal tract. a. only damaged respiratory passages.

24. When bacteria enter the body through a cut in the skin

d. the immune system shuts down. c. the third line of defense of the immune system is activated within seconds. b. the first line of defense of the immune system has succeeded. a. the second line of defense of the immune system is activated.

25. A chemical that is produced as a part of the inflammatory response is

d. flagella. c. cilia. b. monoamine. a. histamine.

26. Allergic symptoms of sneezing and itchy, watery eyes can often be treated effectively with

d. histamines. c. antihistamines. b. antibiotics. a. aspirin.

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27. In one type of immunotherapy used to treat allergic symptoms,

d. the allergen is removed from a person’s system. c. a person is injected repeatedly over time with an allergen to which they are sensitive, with the goal of reducing the person’s sensitivity to that allergen. b. all T cells are inactivated. a. the antigen is removed from the person’s environment.

28. Painful joints, caused by inflammation of the joints resulting from an immune system attack against the joint tissues is _________.

d. rheumatoid arthritis. c. type I diabetes. b. delayed hypersensitivity response. a. AIDS.

29. HIV results from

d. all of the above c. a bacterium found in contaminated water. b. an overactive immune system that persists for years. a. destruction of helper T cells because of infection by the human immunodeficiency virus.

30. Why is the third line of defense referred to as specific defense? (What does is “attack” pathogens with?)

31. What are the three proteins found on red blood cells that make up your blood type?a.

b.

c.

10. Why is type AB+ considered the universal recipient? Explain in terms of antibodies and antigens.

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Hormones and the Endocrine System Worksheet

The Body’s Activity Are Coordinated

Mark each statement below T if it is true or F if it is false.

______ 1. Hormones are substances secreted by cells that act to regulate the activities of other cells in the body.

______ 2. Hormones are not carried in the bloodstream from one cell to another.

______ 3. A hormone carries one signal that has the same effect in all of the cells that receive the signal.

______ 4. Certain hormones coordinate the production, use and storage of energy.

______ 5. Hormones do not react to stimuli from outside the body.

Hormones are made in Certain Organs and Tissues

Read each question, and write your answer in the space provided.

6. What are the differences between endocrine glands and exocrine glands?

Hormones Act on Specific Cells

Complete each statement by underlining the correct term or phrase in the brackets.

7. A [target / receptor] cell is a specific cell on which a hormone acts.

8. A receptor is a [protein / fatty acid] to which a molecule binds.

9. Directions: Listed below are the major hormones produced by the human body. Next to each gland listed below, write a brief description of what it does. pituitary_____________________________________________________________________________________________________________________________________________________

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thyroid______________________________________________________________________ ______________________________________________________________________________ parathyroid_________________________________________________________________________________________________________________________________________________adrenal______________________________________________________________________ ______________________________________________________________________________pineal_________________________________________________________________________ ______________________________________________________________________________thymus - ___________________________________________________________________________________________________________________________________________________________ pancreas-___________________________________________________________________________________________________________________________________________________________testis______________________________________________________________________________________________________________________________________________________ovary_______________________________________________________________________________________________________________________________________________________hypothalamus - ___________________________________________________________________________________________________________________________________________________________

10. What is the difference between complimentary hormones and feedback inhibition? Why are they important?

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ECOLOGY REVIEW SHEET

I. MatchingMatch the following terms with the correct statement. Each statement may be used only once.

Heterotroph 1. Secondary Succession 2. Ecology 3. Prey 4. Carnivore 5. Autotroph 6. Habitat 7. Herbivore 8. Decomposer 9. Omnivore 10. Predator 11. Niche 12.

II. FILL IN THE BLANKIn the space to the left, write the word or phrase in parentheses that correctly completes the statement

13. The biosphere includes air and water; animals and plants; and (mountains and oceans, moon and stars).

14. Wind, humidity, and (mosses, rocks) would be considered abiotic factors in a terrestrial ecosystem.

15. The size and extent of a population does not directly depend on the availability of (food, decomposers).

16. To explain and show how the amount of living material and tissues at each trophic level of a food chain changes, you could use a pyramid of (numbers, biomass).

17. In the nitrogen cycle, (bacteria, decomposers) convert atmospheric nitrogen into nitrogen compounds usable by plants.

18. Energy that passes through a food chain is lost to the environment as (heat, matter).

19. Water, carbon, and nitrogen are released back into the atmosphere during (symbiosis, decomposition).

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A. An organism that eats only plantsB. Study of organisms and their environmentC. Gradual replacement of one community by anotherD. Organisms that cannot make their own foodE. Where an organism livesF. Organisms that can make their own foodG. An organism that huntsH. Organisms that eats only meatI. Organism that breaks down dead materialJ. The role organisms have within their environment, how

they eat or behaveK. Organism that eats both plant and animalsL. Organism that are hunted

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20. In a pond ecosystem, ducks, mosquitoes, pond plants, and frogs are (abiotic, biotic) factors.

Use the following diagram to answer questions.

Caterpillar Bird

Grass Mouse Snake Owl

Grasshopper Frog

21. What is the producer in the food web above?

22. Energy flows from the mouse to the ________ and ____________

23. The primary consumers are _____________, __________, _________________.

24. The secondary consumers are _______, ________, _______, and _______.

25. The owl is a secondary consumer if it eats the ______, but a tertiary (third order) consumer if it eats the _______, _________, or _____________.

26. As matter and energy move from grasses to owl, the amount of available energy always (increases, decreases) but the population size may increase or decrease.

27. Explain the difference between a niche and habitat.Niche:

Habitat:

28. Compare and contrast a food chain and a food web. Food Chain:

Food Web:

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29. Compare and contrast primary and secondary succession.Primary:

Secondary:

13. In an ecological pyramid, what happens to the biomass, energy, and number of species as you go up the pyramid?

14. What is the 10% rule? What is its significance? Why is energy lost?

15. Describe the two different methods we discusses in class that can be used to assess water quality.

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