Homework Answers
Arthropods (in Greek: Joint foot) are an invertebrates that are characterized by an exoskeleton, segmented body and joint appendages that occur in pairs. Arthropods include insects, crustaceans, myriapods and arachnids.
1. Chelicerata: It is the subphylum of arthropoda which is characterized by a claw-horn. This phylum has sea-spider, scorpion, horse-shoe crab. These have cuticle covered segmented body consisting of two tagmata termed prosoma (cephalothorax) and opithosoma (abdomen). It contains single chelicerae or jaw (mouthpart) in the shape of fangs. These have eight legs (four pairs) and no antennae. These have biramous appendages with limbs branching into two and consisting of segment that are attached end to end. These are mainly terrestrial living in vegetation, beneath stones but some are fresh water mites and some live in sea.
2. Myriapoda: These consist of terrestrial species of millipedes, centipedes. The body is divided into two tagmata that are head and trunk. These have so many legs and can range from 10- 750 legs. These organisms have single pair of antennae. The mouthpart has upper and lower lip. Upper lip is formed by the epistome and labrum and lower lip by a pair of maxillae. Inside mouth is present a pair of mandibles. These are uniramous with seven segmented walking legs. These are diverse in tropical and temperate forest however some are also found in grassland, semiarid habitats and even desserts.
3. Crustacea: This sub-phylum of arthropods have crabs, lobsters, crayfish, shrimp, barnacles and krill. The body of these organisms is divided into three tagmata that is head, trunk and abdomen. These organisms have two pairs of antennae, in which the first one is uniramous and other is biramous. The mouthpart consists of two mandibles. The appendages of crustaceans are biramous with the external branch is termed exopodite and inner one endopodite. These are mainly aquatic organisms with some found in freshwater and other in marine. Some of them are also adapted to live on land like crabs and woodlice.
4. Hexapoda: As the name indicates hexa means six poda means legs, comprises largest group of species of arthropods the insects and other three groups of wingless arthropods. The body of insects is organized into three parts or tagmata: head, thorax and abdomen. The head consists of presegmental part called acron that contain eyes. Beside this the head is divided into six segments with pair of antennae in II segment. Mouthpart is exposed in insects and are found with mandibles in segment IV, Maxillae in segment V and labium in segment VI and projection of this segment forms upper lip or labrum. The six appendages found in insects are uniramous. Hexapods are mostly terrestrial but some species are also aquatic living in freshwater and marine habitats.
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17. Fill in the table for each of the four classes of Arthropoda. (4 points) Class...
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4) Use the following data to: a. Fill in the frequency table (15 points) b. Find...
4) Use the following data to: a. Fill in the frequency table (15 points) b. Find the relative frequency of each class, rounded to two decimal points (15 points) c. Create an appropriate frequency histogram on the graph provided. (10 points) 70 67 88 93 100 72 8 90 85 91 62 75 8780 81 55 60 63 95 81 Class |Frequency |Rel. Freq 51 - 60 61-70 71-80 81-90 91-100 51-60 61-70 71-80 81-90 91-100 Class
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1. What are the genotypic frequencies of +/4, +/-and-/-in your class population? Fill in the table...
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There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to...
There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to the one below, list every structural element that is involved in each of these four mechanism classes (up to 4 elements each; not each has as many as four). By each element, put the evidence that should be observed that shows its involvement and the catalysis type that each mediates (what tool from the mechanism toolbox is used?). A protease has been purified from...
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JAVA CODING:
(14 points) Abstract Class exercise You are given two abstract classes with no abstract method in the NoGo.java file. The purpose of this exercise is to get familiar with abstract class and its object creation 4. Follow the steps below: (be sure common on each to score points) 1) 2) 3 points) Create a subclass Go1 with Nogo1 as its super class and create Go1() constructor 3) (2 points) Now inside the NoGo class create an instance of...
- consider the following table class F 8-12 6 13-17 4 18-22 5 23-27 5 1)...
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Q17 Suppose the following classes (some details were omitted) 10 Points class Hair { public boolean...
Q17 Suppose the following classes (some details were omitted) 10 Points class Hair { public boolean isClean() { } // Returns true if the hair is clean public void lather() { } // Rubs shampoo into hair until // it's nice and frothy سہه class Shampoo { public void openBottle() { } // Opens the bottle of shampoo public void closeBottle() { } // Closes the bottle of shampoo public void apply(Hair hair) { } // Applies shampoo to hair...
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lends paid to each class for the four years combined. Year 1 total cash dividends ..........
lends paid to each class for the four years combined. Year 1 total cash dividends ....... Year 2 total cash dividends ....... $20,000 28,000 Year 3 total cash dividends ....... Year 4 total cash dividends ....... $200,000 350,000 490 Chapter 13 Accounting for Corporations Exercise 13-11 Dividends on common and cumulative preferred stock Use the data in Exercise 13-10 to determine the amount of dividends paid each year to each classes of stockholders assuming that the preferred stock is cumulative....
4) Use the following data to: a. Fill in the frequency table (15 points) b. Find the relative frequency of each class, rounded to two decimal points (15 points) c. Create an appropriate frequency histogram on the graph provided. (10 points) 70 67 88 93 100 72 8 90 85 91 62 75 8780 81 55 60 63 95 81 Class |Frequency |Rel. Freq 51 - 60 61-70 71-80 81-90 91-100 51-60 61-70 71-80 81-90 91-100 Class
1. What are the genotypic frequencies of +/+, +/-and-/-in your class population? Fill in the table below with your class data. Table 1: Observed Genotypic Frequencies for the Class Category Number Homozygous 0/4 4 Heterozygous (1) 12 Homozygous (-/-) 41 Totals Frequency (# of genotypes/total) 10.07 10.21 0.72 1 = 1.0 2. What is the frequency of each allele in your class sample? Fill in the table below with your class data: Frequency Table 2: Calculated Allelic Frequencies for the...
1. What are the genotypic frequencies of +/4, +/-and-/-in your class population? Fill in the table below with your class data Table 1: Observed Genotypic Frequencies for the Class Category Number Frequency (# of genotypes/total Homozygous (14 Heterozygous (+/-) Homozygous (-/-) 4 12 41 Totale 10
There are four proteolytic enzyme mechanisms that we studied in class. In a table similar to the one below, list every structural element that is involved in each of these four mechanism classes (up to 4 elements each; not each has as many as four). By each element, put the evidence that should be observed that shows its involvement and the catalysis type that each mediates (what tool from the mechanism toolbox is used?). A protease has been purified from...
JAVA CODING:
(14 points) Abstract Class exercise You are given two abstract classes with no abstract method in the NoGo.java file. The purpose of this exercise is to get familiar with abstract class and its object creation 4. Follow the steps below: (be sure common on each to score points) 1) 2) 3 points) Create a subclass Go1 with Nogo1 as its super class and create Go1() constructor 3) (2 points) Now inside the NoGo class create an instance of...
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Q17 Suppose the following classes (some details were omitted) 10 Points class Hair { public boolean isClean() { } // Returns true if the hair is clean public void lather() { } // Rubs shampoo into hair until // it's nice and frothy سہه class Shampoo { public void openBottle() { } // Opens the bottle of shampoo public void closeBottle() { } // Closes the bottle of shampoo public void apply(Hair hair) { } // Applies shampoo to hair...
7. Write down the last network address for the network classes listed below: (do not use any reserved address) Class C Class B Class A Tabie 3 3 marksy 8. The following host IP addresses all belong to IP4 subnetted networks. Using the information provided (IP address and network prefix length), fill in the table with the Subnetwork Address of the subnet to which the host belongs, the subnet mask and the number of host each subnetwork can accommodate. Host...
lends paid to each class for the four years combined. Year 1 total cash dividends ....... Year 2 total cash dividends ....... $20,000 28,000 Year 3 total cash dividends ....... Year 4 total cash dividends ....... $200,000 350,000 490 Chapter 13 Accounting for Corporations Exercise 13-11 Dividends on common and cumulative preferred stock Use the data in Exercise 13-10 to determine the amount of dividends paid each year to each classes of stockholders assuming that the preferred stock is cumulative....
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