Cell Cycle and Cell Division Questions and Answers

Activities to Complete Draw a diagram of the cell cycle similar to the one in the primer and label the phases G1 S G2 and M Mark Note the phase in which chromosomes replicate Use Pop it beads to model the cell cycle including G1 S G2 and all the stages of Mitosis o Build a diploid set of homologous chromosomes where 2n 6 The two different colors yellow and red should represent maternal and paternal chromosomal contributions in each diploid cell i e in each homologous pair of chromosomes one chromosome will be yellow and one will be red The magnets will be used to represent centromeres After completing these activities you should be able to answer the following questions about Mitosis You can use chalk to draw circles on the lab tables to represent the cell membrane nuclear membrane and mitotic spindle as you model each stage in the cell cycle Note the circles might change as you walk through the different stages For each stage of the cell cycle including mitosis state how many chromosomes replicated chromosomes and chromatids are present Use the microscope and the slides of onion root tip sections to find and draw a plant cell in Interphase and each phase of Mitosis Prophase Metaphase Anaphase and Telophase label the nucleus if present and chromosomes if visible In hat stage does the nuclear envelope dissolve What are the chromatids called after going through anaphase in mitosis What are the resulting products of mitosis

What is in the most general terms the purpose of science O To determine the exact way in which the Universe came to be O To develop an accurate understanding of the natural world through observation and reasonin O To identify all the physical and chemical laws that govern Universe

When does Congress adjourn When the Senate ends the session the House of Representatives ends the When session When the President ends the session When both houses agree to end the session

Which of the following are chordate synapomorphies Select all that apply muscular post anal tail dorsal hollow nerve cord that runs the length of body comprised of projections from neurons openings into throat called pharyngeal gill slits vertebrae a column of cartilaginous or bony structures that forms along dorsal side of most species a cranium a bony cartilaginous or fibrous case that encloses and protects brains and sensory organs stiff and supportive but flexible rod called notochord runs the length of body

Dr Purple however is intrigued with the notion that the only way to really study development is to consider the multiple environments that can impact a child such as how both the teacher he sees every day and his dad s boss can actually have either positive or negative impacts on the child Which theorist aligns with Dr Purple s interests Erik Erikson O Arnold Gesell OB F Skinner Urie Bronfenbrenner

Predict the major product of the following reaction c C C OH T POCI3

6 Does the size of a frog embryo change as cleavage progresses

Draw the simplest curved arrow mechanism possible for the reaction shown below You may need to re draw structures to show bond lines or lone pairs t

The molecule shown below is and may play a role in O cardiolipin starvation response O phosphatidylethanolamine heat response O phosphatidylglycerol heat response O phosphatidylglycerol starvation response

The structure shown below is found in the molecules are connected by the Select one O cell wall peptide O cell wall sugar O cell membrane peptide O cell membrane sugar of some bacteria and the larger cross link shown at the arrow M M

Why are elections so critical to the democratic process Elections give the power to the people Elections force political parties to spend large amounts of money Elections always produce the best choice for the times Elections can be easily manipulated

What atom forms the backbone of almost all biological molecules O Carbon Sulfur Hydrogen Nitrogen

Which of the following statements about Cnidarians and Ctenophores are accurate Select all that apply Ctenophores are filter feeders whereas cnidarians are carnivores Ctenophores swim using comb rows whereas cnidarians typically swim using muscle contractions Both cnidarians and ctenophores produce and utilize cnidocytes for prey capture Cnidarians have an incomplete digestive system whereas ctenophores have a complete digestive system

Which sentence best describes the closed primary The closed primary prevents one party from raiding the other s primary by nominating weaker candidates The closed primary does not O force voters to reveal their party preference public The closed primary does not O exclude independent voters from the process The closed primary undercuts O the concepts of party loyalty and

2 Assume you grew three bacterial samples on brain heart infusion agar and you obtained the following results Plate 1 incubated 37 C for 48 hours All bright yellow pigmented colonies Plate 2 incubated at 35 C for 24 hours and 37 C for the last 24 hours All light yellow pigmented colonies Plate 3 incubated at 35 C for 48 hours All white colonies If we assume the cultures were identical and consisted of the same pure culture then what is the most likely explanation for these findings How could you most easily test your hypothesis

1 Which of the following is are false regarding slant cultures Select all that apply a They can be used to maintain a pure culture b They can be used to observe bacterial pigmentation c They can be used to isolate a pure culture d They cannot be used to observe bacterial texture e They are commonly used in biochemical tests

Choose the correct answer The death of a character like Okonkwo signifies O the end of traditional society O the end of Christianity in Africa O the end of modern society O African independence

Choose the correct answer Things Fall Apart was published in O 1899 1858 O 1999 1958

Points 2 hy can death be considered a universal theme O All of the choices O It appears in works of literature dating back to ancient times It appears in contemporary works of literature O It affects people in all cultures

2 Suppose you performed a transfer from a nutrient broth stock to a glucose minimal salts slant and upon checking your sample the next day you do not see any growth Assuming you did everything correctly during the transfer why might the organism have failed to grow

5 What conclusions can be drawn about the relationship between surface area to volume ratio and efficiency of diffusion from this experiment 6 What ramifications does this difference in diffusion efficiency have for the size of unicellular organisms and multicellular animal body plans 6 What are some adaptations seen in animal bodies to improve the surface area to volume ratio or enhance exchange of materials by body cells

6 3 The diagram below shows part of a food web in a salt marsh Which organisms in the food web belong to the trophic level that provides the most available energy to the ecosystem Eagles Shorebirds Fish Shrimp shrimp Herons Phytoplankton Oherons Ophytoplankton shorebirds

The is the stepwise method or sequence of steps to be performed for the experiment O controlled variable independent variable dependent variable procedure Ohypothesis

Part C Match the terms in Column A with the descriptions in Column B Write the letter of the correct answer on the line Column A spore 9 10 11 seed 12 vascular tissue 13 dicot 14 sori 15 humus 16 conifer 17 fruit 18 rhizoid 19 embryo 20 Aristotle gymnosperm Column B soil ingredient 21 All 22 Grass trees and cacti all reproduce by 23 Most of the plant matter in 24 A 25 Ferns and mosses reproduce by A B made up of tubes or vessels C contains a beginning plant and stored food D spore cases on fern frond E root like thread in moss F first classified plants and animals G a beginning plant H surrounds seeds of angiosperm I ARAL 1 Part D Write the word that completes each sentence major group of gymnosperms J nonflowering seed plant K what a seedless plant reproduces by has two cotyledons L plants have true roots leaves and stems is sphagnum moss such as a bean has two seed leaves

12 Why Adam Smith calls the market dominant system as paradoxical

17 Opportunity cost a is same for everyone b is the total amount given up when a person makes a choice c only includes monetary costs and benefits d is the value of the next best alternative that is given up when a choice is made

3 What are the two characteristics of capital goods and why does a company purchase them

What proportion of German immigrants settled in cities versus becoming farmers About half settled in cities and half became farmers About a quarter settled in cities three quarters became O and farmers About three quarters settled in cities and a quarter became farmers About a half became farmers and a quarter settled in cities

An example of a horizontal merger would be OOO Q a hamburger chain buying its top meat supplier V O C a movie studio buying a chain of video rental stores a toothpaste company combining with a competing toothpaste company a bookstore licensing a O recognized coffee shop brand to

please order the following stages of gametes formation 1 spermatogonium 6 spermatozoa 3 Meiosis I 4 Secondary spermatocyte haploid 7 Spermatids 5 Meiosis II

I Death III Women in the workforce O I and II II and III O I and IV OIV only Cor I

villagers went to look It was true They could see the wolf running away and many dead sheep lying on the grass the following interpretations best suits the story Which of O We should not tell lies We should not believe things unless we see them We may not believe a liar even when he or she tells the truth We should be careful around people who lie often

se the correct answer When you need most of the ideas of the writer you should O quote directly from the text O write a summary containing most of the ideas of the author paraphrase the text O disregard the main ideas of the text

Mutations in the p53 gene can lead to cancer by O O increasing the production of glycogen which nourishes the cell cycle turning off a gene for a protein that inhibits cell division causing the production of excessive amounts of relay proteins promoting the expression of mRNA that can interact with DNA resulting in new mutations increasing the production of growth hormones which trigger faster cell cycles

Which one of the following sequences best describes the flow of information when a gene directs the synthesis of a cellular component O protein RNA DNA O DNA amino acid RNA protein DNA tRNA mRNA protein DNA RNA protein RNA RNA RNA protein

This process opened industry up to more competition which resulted in more choices and lower prices for consumers However it also allowed the savings and loan industry to make risky investments that cost investors over 80 billion and left the American taxpayer liable This is an example of O Deregulation Recession Inflation Deflation Complet Rese Reset this as RE Questio 5 9

Question 1 Points 1 How did Cesar Chavez pressure employers to recognize the National Farm Workers Association He led massive protests and sit ins at fruit and vegetable company headquarters One of his many lawsuits against fruit and vegetable companies resulted in a U S Supreme Court decision to recognize the unions O He started a Spanish language newsletter that had heavy circulation among the workers O He organized a boycott of grape growers and encouraged consumers to not buy grapes Re Re thi Que 1 5 a

4 1 U7 A community is formed by populations of different species living together and interacting with each other Define species population and community Give an example of a community of organisms 4 1 U8 A community forms an ecosystem by its interactions with the abiotic environment Define abiotic and ecosystem 9 4 U3 Most flowering plants use mutualistic relationships with pollinators in sexual reproduction Define mutualism Explain an example of mutualism between a flowering plant and its pollinator

Points 1 Which minority group made economic strides but few strides in entering political leadership O Cubans O Mexicans O Asian Americans African Americans Questia 17 21 9 13 5 1 18 22

Read this quotation I can t see that it s wrong to give him a little legal experience before he goes out to practice law whom he appointed President John F Kennedy is reported to have said this about as his attorney general O Byron White O Robert Kennedy O Robert McNamara O Dean Rusk 2

On April 17 1961 armed Cuban exiles landed on the south coast of Cuba at O The Bay of Pigs O Havana O Guantanamo O Santiago

Finish this sentence During World War II Japanese Americans Were sent to internment camps O Enlisted and were drafted into the military O Made up the most decorated military unit in the war O All of the choices

The buying of material goods is called Consumerism Credit Materialism Conformity

Mutations in the Pink gene p cause pink fur when homozygous Mutations in the Quirky gene q cause quirky personality when homozygous The represents the wild type allele for each gene and the represents the mutant allele You perform the following cross p q P q X P q 9 P q Which of the following phenotypes of offspring from this cross would be considered nonrecombinant i e not due to a recombination event in a parent Select ALL that apply Wild type Pink not quirky Not pink quirky Pink and quirky More information is needed to answer this question

Points 2 Which of the following tables correctly matches the countries with their systems Countries System France Italy West Germany Coal and Steel Community Denmark Norway Sweden High Political Stability Greece Portugal Spain Free Enterprise System Countries France Italy West Germany Denmark Norway Sweden Greece Portugal Spain Countries France Italy West Germany Denmark Norway Sweden Greece Portugal Spain System High Political Stability Coal and Steel Community Free Enterprise System System Free Enterprise System High Political Stability Coal and Steel Community S

Why was the Marshall Plan announced The Marshall Plan was intended to provide aid and promote economic development of the O European nations by removing trade barriers to promote the free flow of goods across the continent The Marshall Plan intended to give military assistance to the European nations against Soviet Communism The Marshall Plan was worked out to improve the economic conditions of the Southeast Asian countries in the postwar era The Marshall Plan was supposed to instill a democratic political structure in the European nations that were previously ruled by communist setups Reset b this ass Reset Question 1 5 9 Res

Na CALCULATE Na 11 R 273 15 K 1 Y Result F In Nat 20 0 mM 52 0 mM Legend Universal gas constant R 8 314 J K1 mol 1 Faraday constant

A researcher mutagenized a group of butterflies and isolated six butterflies with extra long bodies Each butterfly has a recessive mutation in only one gene The researcher performed a complementation test using the six butterflies and got the following results where is wild type body and is extra long body 1 2 3 4 LO 5 6 1 01 I 02 03 L 2 1 3 I 4 1 5 Part 1 If the line 3 butterflies are crossed with the line 5 butterflies and they produce all extra long bodies what do you conclude about the butterflies produced from a cross between lines 1 and 5 6 O Half of the offspring would have wild type bodies and half of the offspring would have extra long bodies O None of the offspring would be mutant extra long O All offspring would be mutant extra long O More information is needed to answer this question I Part 2 Given the information provided how many genes are defined among these five mutant strains of butterflies

The Hairless phenotype in Drosophila is caused by a recessive mutation in the H gene Wild type Drosophila have hair on all body segments Two heterozygous Hh Drosophila are crossed 25 of the offspring have normal hair on their bodies and 25 have no hair at all 50 of the offspring have less hair on their bodies than wild type and the amount of hair they have varies The Hairless phenotype in Drosophila displays what relationship between alleles Select all that apply Codominance Incomplete penetrance Incomplete dominance O Variable expressivity

An example of a mutualistic symbiosis is the motile sperm of bryophytes In this case the sperm benefit from the nutrients provided by water termites and the protist in their digestive tract In this case both organisms benefit from their relationship none of these are good examples Giardia and humans In this case Giardia benefits at the expense of the human host an fern that grows and lives on a larger tree In this case the fern benefits from the relationship with no effect on the tre