Anatomy of Flowering Plants Questions and Answers

At 10 05 AM a seismograph records an earthquake s P waves The S waves are then recorded at 10 11 AM How far away is the earthquake s epicenter Assume that every second of S P time equals 10 kilometers Start by determining S P time in seconds The earthquake s epicenter is kilometers away from the seismograph

the specific humidity mixing ratio is 5 2 g kg and the temperature is 10 0 C what is the relativ umidity to the nearest whole number Relative Humidity Relative Humidity Temperature F 15 F 20 F 25 F 30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 95 F 100 F C 9 4 C 6 7 C 3 9 C 1 1 C 1 7 C 4 4 C 7 2 C 10 0 C 12 8 C 15 6 C 18 3 C 21 1 C 23 9 C 26 7 C 29 4 C 32 2 C 35 0 C 37 8 C Actual Water Vapor Content Water Vapor Capacity Saturation Mixing Ratio Capacity g kg 1 9 2 2 ci 2 8 3 5 4 3 5 2 6 2 7 6 9 3 11 1 13 2 15 6 18 8 22 3 26 2 30 7 36 5 43 0

If the psychrometer dry bulb temperature is 22 C and the wet bulb temperature is 18 C what i the relative humidity Air Temp C 4 2 2 CODRH22233278 10 12 14 16 18 20 24 26 30 34 36 Depression of Wet Bulb Thermometer C 4 1 2 3 77 34 32 11 79 58 37 20 1 81 63 45 28 11 83 67 51 36 20 6 85 70 56 42 27 14 86 72 59 46 87 74 62 51 39 88 76 65 54 43 88 78 67 57 48 28 19 10 89 79 69 60 50 41 33 25 16 90 80 71 62 54 45 37 29 21 91 81 72 64 56 48 40 33 26 91 82 74 66 58 36 30 51 44 53 46 40 33 92 83 75 68 60 92 84 76 69 62 55 49 42 36 92 85 77 70 64 57 51 45 39 93 86 78 71 65 93 86 79 93 59 53 45 42 66 61 55 49 44 68 62 56 51 46 69 63 58 52 48 43 38 94 87 81 75 69 64 59 54 50 44 40 86 80 72 73 86 81 74 93 94 87 82 76 70 66 60 55 51 46 42 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 35 22 10 0 28 17 6 33 24 13 4 38 2 8 Relative Humidity 14 7 Q 19 12 6 23 17 11 27 21 15 10 5 4 14 9 30 25 20 34 28 23 18 13 9 36 31 26 21 17 12 84 39 34 29 25 20 16 12 8 41 36 32 27 22 19 14 11 43 0 Figure 20 2 Relative Humidity Psychrometer Tables C T t 34 30 26 22 18 14 11 8 5 36 22 28 24 21 17 13 10 7 38 34 30 26 23 20 16 13 10 7 IO

Convert San Francisco s latitude given in degrees minutes seconds of arc into decimal degrees Round to three decimal places 37 46 26 2992 North H ka ba sa kan man decimal degrees Example 12 87489536 rounds to 12875

How and why did the agricultural and mechanical training that Hampton Institute and Tuskegee Institute offered gain so much support among both black and white people why did black colleges and universities emphasize learning trades and acquiring skills How did middle class and prosperous black people try to contribute to the progress for their race Were there efforts effective

What is has been the rate of movement for the Pacific Plate between the Suiko Seamount and Lo ihi in cm yr You should use the distance from the Suiko and Daikakuji Seamounts and the Daikakuji Seamount and Lo ihi and add them together to get the total distance Rate of movement cm yr Type only numbers no letters Be aware of the decimal Round to the nearest tenths place

What is the redox potential of the electron carrier INTERMEMBRANE SPACE inner mitochondrial membrane

QUESTION 20 If you shine light on chloroplasts and measure the rate of photosynth rate of photosynthesis as shown below rate of photosynthesis moles of O produced

5 Why might you expect the insertion of 3 DNA base pairs into a gene to be less disruptive than the deletion of a single base pair

Watermelon Citrullus lanatus is a diploid with 22 chromosomes per somatic cell What would be the somatic chromosome number of a triploid variant of this species 1 33 2 23 3 21 66

The healthy sister of a patient with cystic fibrosis an autosomal recessive disease with a frequency of 1 2500 is expecting a baby her husband is not related to her Please draw the pedigree and determine the risk of the baby to be affected by cystic fibrosis

Those Hutu and Tutsi who sough buildings were saved by the International community were saved by the extremist Hutu were massacred were rescued by the US and France Question 14 5 points Listen General Romeo Dallaire warned the UN in December 1993 that a genocide might happen in Rwanda True

The park that prompted the Hutu extremists to begin the genocide was the RPF invasion of 1990 True False

Meselson and Stahl were able to use a nitrogen isotope to show that DNA replication DNA STRUCTURE AND FUNC occurs using the O semi conservative replication method conservative replication method dispersive replication method 367 25 1235 QUESTIONS 18 XV QUESTION

is part of a gene that will become a part of the final mature RNA produced by that gene after completion of RNA splicing exons Acceptable Formats X Give me options

Gregor Mendel was an Austrian monk who lived in the 1800s Mendel made many important discoveries related to genetics and heredity by studying inheritance patterns in pea plants He developed three important laws to help explain the gene inheritance and expression that he observed These laws of inheritance are known as the law of dominance the law of segregation and the law of independent assortment How did Mendel s work increase scientists understanding of natural selection O A Mendel s work demonstrated that natural selection can only act on populations in which there is no genetic variation Mendel s work helped scientists understand the relationship between natural selection and genetic drift Mendel s work helped scientists better understand how traits that can be acted upon by natural selection are passed from one generation to the next OB O C OD Mendel s work demonstrated that natural selection can only act upon traits that cannot be passed down from one generation to the next CO

To detect antibodies against bacteria in the bloodstream using an EIA we would run a n Sandwich ELIZA None of the above below Direct ELIZA O Indirect ELIZA

Which of the following characteristics do all plants have in common OA unicellular prokaryotic heterotrophic OB multicellular prokaryotic heterotrophic OC unicellular eukaryotic photosynthetic OD multicellular eukaryotic photosynthetic

A scientist is trying to determine which clade an organism best fits into based on its characteristics He has determined that the organism must belong to either the clade of bacteria or fungi Which of the following characteristics would best indicate that the organism is a bacterium O A OB O C OD The organism is heterotrophic and cannot make its own food The organism can move around its environment using a flagellum The organism s cells each contain a membrane bound nucleus The organism is made up of more than one cell

Classification of Photosynthetic Organisms Trait gymnosperm Has true roots stems and leaves Produces seeds in cones Produces seeds in fruit Produces spores Green Algae Angiosperm Gymnosperm Fern No No No No Yes No Yes No Yes Yes No No Yes No No Yes rove finds a new species of plant The plant has true roots stems and leaves and reproduces by producing seeds inside the table above the new plant species most likely belongs to which of the following classification groups green algae angiosperm

A town must decide whether to convert their bus fleet from gasoline to electric powered vehicles Which of the following would most kely be a benefit to the city resulting from the switch O A cheaper bus fares OB reduced carbon monoxide emissions O C increased power production smaller staff of bus drivers OD

The whitebark pine tree grows in high elevation ecosystems in the northwestern area of the United States Its population has been limited due to the human introduction of a fungal disease known as white pine blister rust to western North America in the early 1900s In some populations of whitebark pine there is relatively little natural resistance to white pine blister rust Based on this information what would be the best long term solution to mitigate the adverse impacts of the fungal disease on whitebark pine trees OA collect and grow seeds of whitebark pine trees that all are identical in genetic makeup and resistant to white pine blister rust OB introduce into the affected region a non native species of plant that is more attractive to white pine blister rust OC collect and grow genetically diverse seedlings of white pinebark pine trees that all have resistance to white pine blister rust OD introduce into the affected region a native organism that is likely to compete for resources with the white pine blister rust

Urbanization describes an overall migration of humans from rural to urban and industrial areas This process can have both positive and negative environmental impacts Which of the following accurately describes a way in which urbanization can have a positive environmental impact OA Urbanization produces large areas of concrete that prevent a heat island effect OB Centralizing populations generally increases the need for individual automobiles which increases greenhouse gas emissions Urbanization produces large areas of concrete that lead to a heat island effect OD Centralizing populations generally reduces the need for individual automobiles which decreases greenhouse gas emissions O C

A methyl functional group may be attached to mRNA or tRNA to GENES AND PROTEINS cust O provide stability O increase the rate of splicing O replace introns QUES QUES

An ecosystem experiences a rapid increase in the algae population as a result of lawn fertilizer entering the system through storm drains The food chain below is part of the ecosystem Algae Minnows Salmon Bear When the algae and other plants die they cause the bacterial population to explode The bacteria exhaust the supply of dissolved oxygen needed by animals living in the water What will happen to the minnow population It will first decline then grow It will be unaffected by the change It will soon start to decline O A OB O C OD It will soon start to grow

A large tract of land is purchased by a commercial agricultural company The land is cleared of its native flora and a single crop is planted instead What is the effect of this action O A There is a reduction in the size of the land The cost of the planted crop increases There is an increase in the variety of foods The biodiversity of the area is reduced OB O C OD

Many ecosystems on Earth have evolved to depend on occasional wildfires that maintain the diversity of the ecosystem These ecosystems are known as fire dependent ecosystems Which of the following best describes how wildfires can be beneficial to certain ecosystems OA A fire in an area heavily populated by humans can burn many houses causing humans to be unable to live in the area and releasing toxic gases into the air OB A fire in a forest ecosystem can burn low branches and clear dead wood from the forest floor providing space for new growth OC A fire in a tropical rainforest ecosystem can kill many broadleaf trees leaving several animal species without food or shelter OD A fire in an agricultural field can result in the loss of many crops resulting in profit loss and food shortages for humans

Examine the energy pyramid below Why is the first block containing the plants the widest block O A OB O C OD Coyotes Snakes and Hawks Mice Gophers and Birds Grasses Tree Leaves Flowers and Vines This block represents the trophic level with the most stored energy This block represents the most complex organisms in the pyramid This block represents all the producers and herbivores in the ecosystem This block represents ten times the number of organisms of the next block

There are many ways in which energy can flow through an aquatic ecosystem One way is as follows phytoplankton zooplankton shrimp moray eel shark This flow of energy can also be represented by a biomass pyramid OB O C Shark 100 kg OD Shrimp 10 000 kg Moray Eels 1 000 kg How is each trophic level of the biomass pyramid related to adjacent trophic levels O A As the trophic levels progress from phytoplankton to sharks there is a decrease in the amount of biomass but an increase in the amount of available energy Phytoplankton 1 000 000 kg Zooplankton 100 000 kg Each trophic level contains ten times as much biomass as the level below it and one tenth as much biomass as the leve above it Each trophic level contains one tenth as much biomass as the level below it and ten times as much biomass as the level above it As the trophic levels progress from phytoplankton to sharks there is an increase in both the number of individual organisms and the biomass

A food chain is a model that represents how energy and matter are transferred through an ecosystem Typically a food chain has five or fewer links because O A no organism exists that eats more than five types of food OB O C SOD the amount of energy available decreases with the addition of each link humans are the top predators and are always the fifth link there are only three categories of organism producers consumers and decomposers

Directions Type your answers in the boxes provided Use numerals not words The ecological pyramid below shows the organisms found in each trophic level of a simplified ecosystem eagles weasels rabbits green plants The amount of energy at each trophic level in an ecosystem decreases as it moves through the ecosystem Typically only about 10 percent of the energy at one trophic level is transferred to the next level The remaining energy is lost through metabolic processe as heat Suppose that in the ecosystem modeled above 150 000 kcal kilocalories of energy are contained within green plants Assuming th the amount of energy transferred from one trophic level to the next is exactly 10 percent determine the following amounts of energy the ecosystem kcal of energy will be transferred from green plants to rabbits kcal of energy will be transferred from rabbits to weasels kcal of energy will be transferred from weasels to eagles

When scientists are doing research to determine how the environment affects a life form it often takes many years to reach a conclusion Why do you think that is the case 1 pol O Many environmental factors must be considered water light and temperature were just three that were investigated in this simulation O Many tests must be performed because variables need to be tested one at a time first test for water effects then test for light effects etc O Some effects take a long time to become noticed so the experiments often have to take place over long periods of time All of the above

The organisms in the diagram below represent an energy pyramid Which of the following best explains why the number of organisms at each level decreases while moving up the energy pyram O A The animals at each level have more predators so they produce more offspring The animals at higher levels are more competitive so fewer animals survive The animals at higher levels move more than the animals at lower levels so they require more energy The animals at each level use energy so only a small amount of their energy is available to the next level OB O C OD

The diagram below shows a food web O C foxes OD owls rabbits squirrels mice seed eating birds plants Which of the following is true about the organisms shown in the food web OA Spiders gain energy directly from plants SOB Snakes are a source of energy for toads Rabbits and mice provide each other with energy Squirrels provide foxes and owls with energy insectivorous birds spiders snakes toads predaceous insects herbivorous insects

Which of the following could be a sequence in the carbon cycle OA plants take in carbon dioxide and produce glucose animals consume plants animals break down glucose and release carbon dioxide OB animals consume plants release carbon dioxide OD plants take in carbon dioxide and produce glucose animals break down glucose and OC plants take in carbon dioxide and produce glucose animals break down glucose and release carbon dioxide animals consume plants animals break down glucose and release carbon dioxide animals consume plants produce glucose plants take in carbon dioxide and

Directions Select the correct answer from the drop down menu In the nitrogen cycle bacteria combine nitrogen gas with hydrogen to form ammonia in a process called

Plants transfer nitrogen in the nitrogen cycle OA through combustion OB through respiration OC through assimilation OD through transpiration

One large difference between prokaryotes and eukaryotes is that in prokaryotes GENES AND PROTEINS cust O translation occurs simultaneously with transcription O translation occurs after transcription O mRNA is not needed as there is no nuclear membrane barrier O mRNA is much more stable and long lasting both transcription and translation occur in the nucleus 50 1250 QUESTIONS 3 54 QUESTION POINTS TRIES 20 2

In the carbon cycle carbon is taken in by plants O A OB O C O D as carbon dioxide in the process of decomposition as carbon dioxide in the process of photosynthesis as water vapor in the process of photosynthesis as ammonia in the process of assimilation

Directions Select each correct answer More than one answer may be correct During which of these processes is oxygen consumed when plants or animals perform aerobic cellular respiration when plants perform photosynthesis when forests are burned to clear land for farming when aerobic bacteria break down dead algae in a pond

Which factor has the greatest impact on the survival of a species when the species environment changes O A The number of individuals in the species B The amount of diversity in the species C The length of time the species has existed

Which sentence describes an example of migration A A group of emperor penguins huddle together for warmth taking turns being on the outside of the huddle B Salmon travel as a group from the ocean to freshwater streams in order to reproduce C Flying ants surround and protect their queen while searching for a new place to build a colony D Killer whales or orcas that live in the same pod work together to locate and capture prey

Which sentence describes an individual behavior O A A flamingo migrates with a flock B A flamingo shares a common nesting ground C A flamingo makes an alarm call to warn of danger OD A flamingo cleans its feathers

stion 5 10 points m Group 5 1 which Genus can be am negative rod facultative anaerob nathine decarboxylase negative

Many plants produce brightly colored flowers to attract pollinators such as bees What role do the flowers play as a plant adaptation OA Meeting energy needs OB Defense O C Reproduction O D Movement

If dopamine were to be accidentally omitted from all the control wells in the bee neural cell assay as discussed in class what would the control wells look like Normally the control wells look like this dopamine HVA neural cells Legend High dopamine No dopamine

Which of the following is a civic duty O voting O joining the military serving on a jury O being informed

Chromosomes contain genes and genes determine an organism s characteristics Sometimes mutations occur in which the sequence of nucleotides within a gene becomes altered Which of the following describes how a gene mutation would most likely affect an organism O A It would cause the codons produced to be more or less than 3 nucletoides in length It would cause different proteins to be produced during translation O C It would cause the wrong type of nucleic acid to be incorporated into the organism s genes O D It would cause the sugar phosphate backbone of all of the organism s DNA to be modified SOB

67 The assumptions made in calculating the Michaelis Menten Equation include A that the value of k 2 can be ignored B that the concentration of the substrate is much greater than the concentration of E C that the formation and decomposition of ES is the same for a period of time D A B and C E A and B only 67

4 Which was a major scientific accomplishment by Linus Pauling A Discovered B strands and described their assembly into sheets B Determined the three dimensional structure of hemoglobin and myoglobin C Determined the structure of penicillin D Determined the a helix structure in keratin