Biology Questions

Why can net exports be a negative number The amount of goods exported from the country may be greater than the amount of goods imported The value of goods imported into the country may be greater than the value of goods exported Exports may be reduced due to tariffs on the goods Net exports are the difference between the cost of imported goods and the taxes levied on

Why must the Gross Domestic Product GDP be adjusted for the effects of inflation To make the comparison with O prior years GDP figures more accurate O To counter the risk of deflation To graphically illustrate how rapidly prices can rise To insure producers are paid a O fair market price for their final

competition for utility companies Legislatures regulate competition for utility companies because competition would not be efficient for the economy Legislatures regulate competition for utility companies O in order to keep the price of utilities low so families can afford them Legislatures regulate competition for utility companies in order to maintain a standard in certain utilities Legislatures regulate

Which of the following is the best example of a monopoly in the United States O A local electric company O A fresh fish market O A fruit stand

The equilibrium competitive price in a purely market is the highest price consumers will pay the lowest price consumers will pay the price where the quantity O supplied equals the quantity demanded the price charged by large sellers of the good or service

A privately owned cable TV company granted exclusive rights rights to a particular area would be considered a O natural monopoly government monopoly O technological monopoly geographic monopoly

Technological short monopolies lived someone else can invent a O similar product with with slight modifications are often because patents cannot be obtained for technology copyrights overturned in courts are easily there are too many barriers to entry in technological industries

The civilian labor force consists of all individuals sixteen or older Owho are employed or actively seeking employment all individuals no longer full O time students who are actively seeking employment non military workers attached to the armed forces individuals seeking O employment after serving in the

Question 9 Points 1 Which would be an example of a white collar worker A foreman at an auto factory A waiter at a high end restaurant A laundress at a five star hotel O A stockbroker for a small firm

Question 10 When are wages Points 1 workers paid higher When workers simple job When workers hazardous job perform a perform a O When workers are uneducated O When workers are sick

Question 2 Which of the following is considered a fringe benefit Points 1 O Overtime pay O Holiday bonus O Paid health insurance not Time off for vacations and

Question 5 Points 2 Into which two groups is organized labor divided Blue collar and white collar Industrial unions and craft unions Industrial unions and auto workers unions Railroad unions and auto workers unions

Which of the following represents the merits of offshoring A Improved quality B Lack of customer focus C Increased efficiency D Time zone differences O A and C O A and B O Band D

son Posttest Question 4 Points 3 Choose the correct answer The Taft Hartley Act of 1947 established the National Labor Relations Board O outlawed certain strike tactics O outlawed yellow dog contracts guaranteed the right of free

When would a company typically perform market research for its goods and services Before the production process even begins O When the product dips in sales After a test marketing effort fails It is useful to conduct market O research at all stages of the product cycle

Which economic concept involves all activities that move move goods and services from the producer to the consumer O Logistics O Marketing O Production

Introducing a new product at a low price to generate consumer demand is an example of O price leadership penetration pricing O product identification crifice

The product life cycle is the time period the product O may be used by the consumer before it becomes obsolete the time period from the product s introduction to the market and ends when the product is taken off the market the time period between product design and release to the market which could be several months or years the time period the FDA takes to complete testing and certifying a particular product for

and crack yo heels Dat s de good ole Cairo at las I jis knows it I say I ll take the canoe and go and see Jim It mightn t be you know Resource gutenberg org cache epub 76 pg76 tx Identify the technique used in the above conversation O Dialect O Soliloquy O Parallel episode

Which of these conflicts can be seen in a work of fiction O Man vs man O Man vs circumstances O Man vs society O All of the choices

Choose the correct answer In Greek dramas the role of the was awarded to the best actor protagonist O antagonist confidant

The language of a play may use many of the same devices writers use in like similes metaphors and imagery communicate ideas O poetry O costume design O literature None of the choices to

Palmitic acid H Olelc acid trans H Olela acid cis HO Condition Cyclopropane fatty acid HO Increase the amount of cis unsaturated fatty acids Increase the amount of hopane or hopanoids in the membrane Increase the amount of cyclized fatty acids in the membrane Increase the carbon chain length of the fatty acid External condition Temperature goes from 15 C to 43 C Composition of free fatty acid fractions The compositions were determined as previously described 6 and are expressed as percentages of the total radioactivity 10 000 to 50 000 epm Palmitoleio cia Vaccento cis 13 Ricosenola Myriatio Palmitic Stearle Acid Arachidio Behenlo 4 0 42 4 17 0 1 0 11 6 20 3 4 1 1 0 LWI 43 3 2 10 5 2 8 5 6 28 3 Strala 15 3 0 40 7 10 6 1 0 25 8 17 1 2 8 38 9 9 9 1 1 1 0 LWS 43 3 7 11 8 2 5 8 7 44 2 20 5 2 0 1 0 Table from JOURNAL OF BIOLOQICAL CHEMISTRY Vol 250 No 17 Issue of September 10 pp 7074 7077 1975 Makes membrane More Makes membrane Less Fluid fluid

Identify the following Hydrophobic portion Hydrophilic portion 1 Phosphoryl group Glycerol Fatty acid tails Ester bond Head group ARRI

gren Translate the DNA sequence in the atrium just the sequence that is part of the double helix et me that you ha nder mptions Mogading G C T A TA GC CG T G CH 123830

Which of the following is true of the evolution of animal phyla and animal body plans The majority of animal body plans and phyla evolved over a comparatively short timespan in the Cretaceous period around 200 million years ago in an event paleontologists call the Cretaceous Explosion Animal body plans show a slow but constant progression with new body plans and new phyla evolving since the Proterozoic Era 2 5 billion years ago until relative recent times Animal body plans and phyla diversified during the Jurassic period and through the Cretaceous period from around 200 million years ago until 65 million years ago when the Cretaceous Paleogene extinction event halted their progress The majority of animal body plans and phyla evolved over a comparatively short timespan in the Cambrian period around 540 million years ago in an event paleontologists call the Cambrian Explosion 1 point Many protostomes appear quite similar at first glance with several groups exhibiting worm like morphology However this superficial similarity can be misleading as worms are present in both major groups of protostome the lophotrochozoa and the ecdysozoa Which of the following features is most likely to be present in a segmented worm a lophotrochozoan and absent in a round worm an ecdysozoan spiral cleavage during development the blastopore develops into the anus during gastrulation the blastopore develops into the mouth during gastrulation radial cleavage during development 03

Which of the following is a synapomorphy of most but not all animal phyla multicelluar they have neurons they are heterotrophs they move under their own power at some point in their life cycle 1 point Which of these isn t a feature of bilaterian animals differentiating them from other animals they are triploblasts they exhibit cephalization they have the property of being divisible into symmetrical halves on either side of only a single plane they are diploblasts

Crustacea the group that contains crustaceans like lobsters crabs shrimp and isopods used to be considered a monophlyetic group However recent molecular work suggests that it is paraphyletic containing traditional crustaceans and which of the following other arthropod groups chelicerates onychophorans myriapods insects

6 Select the feature s common to ecdysozoans Choose one or more waxy cuticle continuous growth spiral cleavage intermittent growth with molting 1 point Which of the following is unique to mollusks Choose one or more trochophore larvae the radula the lophophore feeding organ spiral cleavage 1 point Crustacea the group that contains crustaceans like lobsters crabs shrimp and isopods used to be considered a monophlyetic group recent molecular work suggests that it is paraphyletic containing traditional crustaceans and which of the following other arthropod g chelicerates onychophorans myrianode

Directions Answer the following questions in complete sentences 1 If you had one extra hour of free time every day how would you spend it 2 If you could see into the future would you Why or why not 3 What is your favorite thing to do outside 4 Where would you like to be in 10 years 5 What is one thing on your bucket list you want to do before you finish high school 6 If you could be a character in any movie which one would you choose 7 What is your hidden talent 8 What is your favorite quote 9 What movie makes you cry 10 What was your favorite childhood toy 11 If you could trade lives for a day with anyone who would it be and why 12 If you were stranded on a deserted island who would you want to be with you 13 If you go on vacation anywhere in the world where would it be 14 If you could choose any car to drive for a year what would it be 15 If someone handed you 10 million what is the first thing you would buy 16 If you were given the choice to go to your dream college or get paid to go to a different college which would you choose 17 If you could solve one of the world s greatest problems which one would you choose 18 If you could be on vacation with a famous person who would it be and why 19 If you could live anywhere in the world where would it be and why 20 If you could have 15 minutes of fame what would you do with it

Click anywhere to draw the first atom of your structure

Write the systematic name of each organic molecule HO HO structure OH OH OH OH name 1 3 propanediol butanol propane 1 2 3 triol

Facts are stated in the per molecule In the third column of the table write the systematic IUPAC name of each alcohol Also in the drawing area below the table draw the chemical structure of 3 You can draw a condensed or skeletal structure whichever you prefer Part 1 of 2 alcohol 1 2 3 Part 2 of 2 some facts A common name for this alcohol is isopropyl alcohol This toxic alcohol unfortunately has a sweet taste that is attractive to animals and children It s often dyed an ugly color to discourage accidental ingestion Drinking as little as 10 ml of this alcohol can cause permanent blindness and as little as 50 ml can cause death Molecular structure of 3 H C OH CH U C X 8 systematic IUPA P name propan 2 ol methanol methanol

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

add the alcohol starting material to the left hand side of the reaction and the necessary reagents above or below the arrow Pea be made in one step from an alcohol without losing starting material to unwanted extra products If so If the alkyl halide can t be made in one step or can t be made in good yield because of competing reactions or unwanted byproducts check the box under the drawing area D C C C Click and drag to start drawing a structure X

Select all the correct answers A coastal town has an active volcano nearby Numerous chemical factories are also located near the coast Which two types of pollution effects would this town face the volcano may make loud sounds causing sound pollution the factories may dump their waste in the sea water causing water pollution smoke from the volcano may deposit on land in large amounts causing land pollution the factories may use bright lights causing air pollution smoke emitting from the volcano may cause respiratory problems in humans and animals

8 Describe neurulation in the chick embryo What does the anterior portion of the neural tube become The posterior

neural folds spinal cord region of ing streak neural groove Figure 10 The chick after 24 hours of incubation neurulation Edges of the ectodermal neural plate elevate forming neural folds The depressed center is the neural groove The neural folds eventually fuse forming the neural tube ube A B C D E veloping Fig 9 p 69 Symbiosis Pearson Learning Solutions 2010 A B C D E

The 10th Amendment of the Constitution says that states are governments of reserved powers which are enumerated in the Constitution granted to the states by the national government powers not granted to the O national government and not denied to the states

10 What is the fate of the somites Of what primary germ layer are the somites derived

Properly label the figures below using the following structures eye brain ear heart anterior limb bud posterior limb bud tail allantois A H B 200 E C F G D E A H B Figure 12 The chick after 96 hours of incubation A strong cervical flexure has developed Limb buds allantois ears and tail are visible C D F G

Activity 1 Starfish Development Insert the corresponding stage 1 Morula Late gastrulation Early blastula cleavage Early cleavage 2 4 8 cell stage 2 3 Late blastula cleavage Fertilized egg Unfertilized Egg Early gastrulation 4 lect 5

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

9 Explain why cleavage is restricted to the blastodisc in the chick embryo

7 What is the fate of the blastopore in the frog embryo Explain

Draw the skeletal line structure of 3 5 diethyl 1 propylcyclohexanol

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

Draw the condensed structure of 1 2 propanediol CU CH OH CH OH

Draw the condensed structure of 1 5 pentanediol CH OH CH CH CH CH OH

Aseptic Technique Introduction Aseptic technique is essential in all microbiological laboratory procedures to ensure that none of the media or cultures is contaminated with unwanted microorganisms It is extremely important to master this technique to have meaningful results in your exercises and for your independent projects Procedure Inoculate a phenol red broth with Escherichia coli E coli using an inoculating loop as demonstrated by the instructor Make sure to use the tube labeled Eco Flame the loop and mock inoculate a second phenol red broth Put your labeled tubes in the rack up front They will be incubated at 37 C for 2 days at which point your instructor will move the cultures to the fridge until the next lab period