Which of the following is not true about prokaryotes 1) They are th.pdf

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Which of the following is not true about prokaryotes? 1) They are the oldest organisms on Earth. 2) They are the structurally simplest organisms. 3) They are the most abundant life forms on Earth. 4) They contain organelles. 5) They are found in fossils that are 3.0 -3.5 billion years old. The eye in which animal is often used as a model for the human eye? 1) snails 2) flukes 3) slugs 4) octopus 5) starfish Which of the following organisms is not in the kingdom Protista? 1) an amoeba 2) a red algae 3) a sporozoan 4) a slime mold 5) an archaea Which one of the following groups contains the methanogens and extreme halophiles? 1) Eubacteria 2) Crenarchaeota 3) Protista 4) Crenaprotista 5) Euryarchaeota Solution Question 1 Correct Answer: 4. They contain organelles. Explanation: Prokaryotic cells are primitive and less organised than eukaryotic cells. They lack cellular structures called organelles that reduces the efficiency of the cell to perform certain functions. Question 3 Correct Answer: 4. Octopus Explanation: Octopus is a cephalopod mollusc. It has a pair of eyes. Cephalopods being marine predators have very well developed eyes. The eyes of Octopus and Humans are very similar though they developed on different paths. Each has an accomodating lens, cornea, iris, fluid- filled vitreous humor, retina, etc. Question 6 Correct Answer: 5. an archaea Explanation: Archaea are single celled prokaryotic microrganisms that are inetrmediate between bacteria and eukaryotes. While protists are eukaryotic organisms that cannot be classified as plant, animal or fungus. So, Archaea does not belong to kingdom Protista. Question 8 Correct Answer: 5. Euryarchaeota Explanation: Methanogens and halophiles belong to the Archaea domain. The Archaea domain is further classified into - Crenarchaeota and Euryarchaeota. Methanogens and halophiles belong to the group Euryarchaeota..

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Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 16 Protists & Fungi 16.6 General Biology of Protists There are four kingdoms in the Domain Eukarya. Protista, Fungi, Plantae and Animalia All organisms in Eukarya have organelles including a nucleus. Protists vary in size from microscopic to macroscopic (very large) Most protists are unicellular, but they are very complex Most organisms in Protista reproduce by asexual reproduction 17-2 Organizing Organisms Organisms can be categorized by how they obtain nutrients Heterotrophs – organisms that consume food and digest it inside their bodies. Autotrophs – organisms that make their own food using photosynthesis. While we think of plants as doing photosynthesis, some protists and some bacteria can also do photosynthesis. Cyanobacteria make a significant amount of atmospheric oxygen. Decomposers – digest food outside their body and absorb the nutrients across the cell wall. 17-3 Types of Protists Protists can be separated into 3 categories based on their nutrition Protozoa consume food (heterotrophs) and digest it internally. Also they typically can move. Algae that can do photosynthesis (autotrophs). Underscoring the debate over how to categorize protists, some sources list algae as plants, but your book lists them as protists. Slime molds that absorb nutrients that were digested outside their body. 17-4 Protozoa Amoeba proteus Pseudopods - extensions that form when cytoplasm goes in a particular direction Feed by phagocytosis, surrounding prey with pseudopods and digesting it Paramecium caudatum The most structurally complex and specialized of all protozoans The majority are free-living, some are parasitic 17-5 Green algae are ancestral to plants Green algae (Approximately 7,500 species) Not always green Inhabit a variety of environments Oceans, freshwater, snowbanks, bark of trees, backs of turtles Phytoplankton are microscopic autotrophs that live in water. They produce about half of the oxygen available in the atmosphere and form the basis of Algae can form colonies of loosely organized independent cells or end-to-end chains of cells that form filaments. 17-6 Algae Volvox, a colonial green alga A Volvox colony is a hollow sphere with thousands of cells in a single layer on the outside The cells are usually connected by strands of cytoplasm Smaller daughter colonies are contained within the ball Spirogyra, multicellular, filamentous algae Forms long filaments of cells end-to-end Can reproduce asexually and sexually Has a chloroplast that performs photosynthesis Stores glucose in a pyrenoid 17-7 16.8 A Fungus Is Not a Plant Fungi (domain Eukarya) Fungi are heterotrophs that release digestive enzymes into the external environment and digest their food outside the body, then absorb nutrients across their cell walls. They play an important role as decomposers. Fungal cells are different from plant c.

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Here are two datasetsDataset A 64 65 66 68 70 71 72Dataset B .pdf

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Getting Started Create a class called Lab8. Use the same setup for setting up your class and main method as you did for the previous assignments. Be sure to name your file Lab8.java. Additionally, make another file called Arrays.java. This file will be an object, so simply start it off by declaring an Arrays class. You can copy the following skeleton and fill in the appropriate code below each of the comments: public class Arrays { / Instance Variables // Constructors // findMin 1 // findMax // calcSum // calcAverage // toString } Task Overview Your task for this lab is to create a class called Arrays with some array processing methods. This class will maintain an array and the number of elements present in it. Additionally, methods will be available to display the current min and max elements along with the average of all of them. Finally, a toString() method will be available to cleanly display all the array elements. Finally, you will write a simple driver class to test out the above Arrays class. Part 1: Instance Variables for Arrays The first thing to do for the Arrays class is to set up its instance variables. Declare the following (private) instance variables: • An int array called array ? this will be the array we will be writing methods for. • An int called count - this represents the number of valid elements in the array. Part 2: Constructors for Arrays The Arrays class will have two constructors. The first constructor takes the maximum size of the array as input as a parameter and initializes the array instance variable appropriately. It also sets count to size. Finally, it will initialize all of the array elements to some values between 0 and 10, inclusive. To create this constructor, follow these steps: • Import java.util.Random to make use of the random number generator. • Create a constructor with the following header: public Arrays(int size) • Initialize your array variable and set its size to size (see the chart on page 252 for reference on initializing arrays). Be very careful that you are setting the value of your array instance variable, as opposed to creating a new variable called array. • Set the value of the count variable to size because we will be populating the entire array. • Copy the following code to the constructor in order to generate random values between 0 and 10, inclusive: Random rand = new Random(); for (int i = 0; i < count; i++) { array[i] = (rand.nextInt(10)); } Next, create another constructor with the following header: public Arrays(int[] arr). This constructor will initialize the class by using the passed arr argument in order to fill its instance variables. The following things need to be done inside of this constructor: • Set the array variable equal to arr. • Set the count variable equal to the length of the array. Part 3: Displaying the Output findMin() The first method of this class will search the array for the minimum element. Copy the following code for the findMin method. Note how the count i.

Getting StartedCreate a class called Lab8. Use the same setup for .pdf

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For this homework, you will develop a class called VendingMachine th.pdf

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Discuss what is SSH and the advantages and disadvantages of using it on your Linux distribution. Also discuss how to control ssh access and how you configure this service. Solution SSH is also known as Secure Socket Shell. It is a network protocol that provides administrators with a secure way to access a remote computer. For advantages of it, SSH is widely used by network administrators for managing systems and applications remotely. It allows them to log in to another computer over a network, execute commands and move files from one computer to another. The biggest disadvantage would be people logging in as the computer\'s administrator over SSH and this can be done by brute force for the password. To limit ssh access to a linux machine based on originating IP address, edit /etc/hosts.allow:.

Discuss what is SSH and the advantages and disadvantages of using it.pdf

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Describe the differences between the three major physical connection mediums: twisted-pair cable, coaxial cable, and fiber-optic cable. Solution Below is the Difference Between Fiber Optic Cable, Twisted Pair and coaxial Cable : Twisted Pair Cables Twisted pair cable consists of a pair of insulated wires twisted together, which is adapted in the field of telecommunication for a long time. With the cable twisting together, it helps to reduce noise from outside sources and crosstalk on multi-pair cables. Twisted pair cable works well on transferring balanced differential signals, the merits of which are extremely valuable in wide bandwidth and high fidelity system. Basically, twisted pair cable can be divided into two types: unshielded twisted-pair (UTP) and shielded twisted-pair (STP). The former serves as the most commonly used one with merely two insulated wires twisted together. Any data communication cables and normal telephone cables belong to this category. However, shielded twisted pair distinguishes itself from UTP in that it consists of a foil jacket which helps to prevent crosstalk and noise from outside source. It is typically used to eliminate inductive and capacitive coupling, so it can be applied between equipment, racks and buildings. With the advancement of technology, the twisted pair cables are now being phased out by more technically developed and reliable media. Coaxial Cables Coaxial cable acts as a high-frequency transmission cable which contains a single solid-copper core. A coaxial cable has over 80 times the transmission capability of the twisted-pair. It is commonly used to deliver television signals and to connect computers in a network as well, so people may get more familiar with this kind of cable. Coaxial cable has always been the mainstay of high speed communication and has also been applied to network with 10 gigabit links data centers, because it is proved to be cost efficient for short links within 10 m and for residential network. Besides, it features anti-jamming capability, stable transmission of data and money saving. Coaxial cable is widely employed in feedlines connecting radio transmitters and receivers, computer network connection, digital audio and television signals distribution. Moreover, coaxial cable can effectively protect signals from being interfered by external electromagnetic influence. Fiber Optic Cables Computing and data communications are fast-moving technologies. There comes a new generation of transmission media—fiber optic cable. It refers to the complete assembly of fibers, which contain one or more optical fibers that are used to transmit data. Each of the optical fiber elements is individually coated by plastic layers and contained in a protective tube. Fiber optic cable transmits data as pulses of light go through tiny tubes of glass, the transmission capacity of which is 26,000 times higher than that of twisted-pair cable. When comparing with coaxial cables, fiber optic cables ar.

Describe the differences between the three major physical connection .pdf

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Create a student record management system using linked list and queue using Java language and database to save files and GUI Java swing to create background and also use HTML. With the following properties A . register students(assume each students has ID, first name ,last name and middle name) B.register students with courses(course no ,course title crh) C.able to maintain grade on which course they are registered d.searches students by ID displays if found E.searches by course name F. sorts student name in alphabetical order G.displays the details of all students H.Deletes a student by id I.Deletes a course by courseNo J. Handles errors in informative ways . Solution public class StudentRegistration extends JFrame implements ActionListener{ JLabel idLabel, fnameLabel, midnameLabel, lastnameLabel, courseLabel; JTextField idField, fnameField, midnameField, lastnameField, courseField; JButton registerButton; JPanel panel; List list = new ArrayList(); StudentRegistration() { setSize(800, 400); setLayout(null); idLabel = new JLabel(\"ID\"); fnameLabel = new JLabel(\"First Name\"); midnameLabel = new JLabel(\"Mid Name\"); lastnameLabel = new JLabel(\"Last Name\"); courseLabel = new JLabel(\"Course\"); // Defining ID field idField = new JTextField(); idField.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent e) { char c = e.getKeyChar(); } }); // Defining Name field fnameField = new JTextField(); fnameField.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent e) { char c = e.getKeyChar(); } }); registerButton = new JButton(\"Register\"); registerButton.addActionListener(this); add(idLabel); add(fnameLabel); add(midnameLabel); add(lastnameLabel); add(courseLabel); add(idField); add(fnameField); add(midnameField); add(lastnameField); add(courseField); add(registerButton); list.add(new User(idField.getText(), fnameField.getText(),midnameField.getText(), lastnameField.getText(),courseField.getText())); saveValues(); JOptionPane.showMessageDialog(this, \"Student Successfully Registered\"); } } public void saveValues() throws SQLException { User str = list.get(list.size()-1); Connection connection = null; Class.forName(\"com.mysql.jdbc.Driver\"); String url = \"jdbc:mysql://localhost/testdb\"; String user = \"root\"; String password = \"\"; connection = DriverManager.getConnection(url, user, password); Statement stmt = connection.createStatement(); String sql = \"INSERT INTO students(str.fname,str.midname,str.lastname,str.course) \"; stmt.execute(sql); } public static void main(String[] args) { new StudentRegistration(); } }.

Create a student record management system using linked list and queu.pdf

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Coca-Cola companyStrategic Goals and Objectivesi. Objectives are.pdf

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C programming. Answer question only in C code Ninth: Deletion with Binary Search Tree (20 points) In the ninth part, you will extend the binary search tree in the eighth part to support the deletion of a node. The deletion of a node is slightly trickier compared to the search and insert in the eighth The deletion is straightforward if the node to be deleted has only one child. You make the parent of the node to be deleted point to that child. In this scenario, special attention must be paid only when the node to be deleted is the root Deleting a node with two children requires some more work. In this case, you must find the minimum element in the right subtree of the node to be deleted. Then you insert that node in the place where the node to be deleted was. This process needs to be repeated to delete the minimum node that was just moved In either case, if the node to be deleted is the root, you must update the pointer to the root to point to the new root node Input format: This program takes a file name as argument from the command line. The file is either blank or contains successive lines of input. Each line contains a character, \'i or \'d\' followed by a tab and an integer. For each line that starts with \'i\', your program should insert that number in the binary search tree if it is not already there. If the line starts with a \'s, your program should search for that value. If the line starts with a \'d\', your program should delete that value from the tree output format: For each line in the input file, your program should print the status/result of the operation. For insert and search, the output is the same as in the Eighth Part: For an insert operation, the program should print either \"inserted\" with a single space followed by a number the height of the inserted mode in the tree, or \"duplicate\" if the value is already present in the tree. The height of the root node is 1. For a search, the program should either print \"present\" followed by the height of the node, or absent\" based on the outcome of the search. For a delete, the program should print \"success or \"fail\" based on the whether the value was present or not. Again, as in the Eight Part, your program should print \"error\" (and nothing else) if the file does not exist or for input lines with improper structure Example Execution: Lets assume we have a file filel.txt with the following contents: i 5 i 3 i 4 i 1 i 6 i 2 s 1 d 3 s 2 Executing the program in the following fashion should produce the output shown below: Solution // C program to demonstrate delete operation in binary search tree #include #include struct node { int key; struct node *left, *right; }; // A utility function to create a new BST node struct node *newNode(int item) { struct node *temp = (struct node *)malloc(sizeof(struct node)); temp->key = item; temp->left = temp->right = NULL; return temp; } // A utility function to do inorder traversal of BST void inorder(struct node *root) { if (root != NULL) .

C programming. Answer question only in C code Ninth Deletion with B.pdf

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Biology Lab: The poisonous wastes of diptheria germs are called (A) antitoxins (B) antibodies (C) immunities (D) toxins Solution Biology Lab ANS: (D) toxins Explanation: A toxin is a poisonous substance which produced by some bacteria or an organism Diphtheria is mainly caused by the corynebacterium diphtheriae bacteria. It is a gram positive, non-endospore forming, pleiomorphic bacteria. Poisonous wastes of diptheria germs (C.diphtheriae) can produce diphtheria toxin. It causes sore throat and fever. This toxins prevents protein synthesis and causes cell death..

Biology LabThe poisonous wastes of diptheria germs are called (A).pdf

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Aside from the expansion of industrial capitalism, what factors affected American development during the late 19th centry? How important are those factors in comparison to capitalism’s growth? Solution ANSWER: During the late nineteenth Americans believed for the expansion of national borders in order to keep the America running upright. Moreover, the Americans believed that the United States was the most powerful of nations, and that they could take any land they pleased. The expansion of American started after the Civil War. The war made substantial use of the telegraph and railroads. Moreover there was a crucial expansion of railroads with a motive on combing the Atlantic and Pacific coasts, with movement. This growing population and an advanced transportation is one of the main causes of expansions of America in late 19th century. Europeans with surplus wealth joined Americans in investing the economic expansion of the nation. Also the farmers during this time required arable land for livestock and crops which was unavailable due to overcrowding. Thus financial panics uprooted them and sent them west for a new start. Furthermore, the American government also motivated the citizens to move west, with the motive of acquisition of new territory from foreign powers. The above discussed factors are different from the factors in capitalism’s growth. Capitalism is a system in an economy where private entities own the factors of production namely entrepreneurship, natural resources, capital goods and labor; and ensures that an economy will produce the most desired products at an acceptable price. The owners of capital goods, entrepreneurship and natural resources exercise control through companies..

Aside from the expansion of industrial capitalism, what factors affe.pdf

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Yates (2009) notes that unions have a purpose broader than serving their members. What arguments does he make in that regard? What do you think of his arguments, and why? Solution Yates says that unions actually mean better pay, benefits, and slao working conditions for their members and they indeed force employers to treat employees with dignity and respect; and at their maximum best, they provide the workers to work in the society with utmost satisfaction on the whole. Yates used simple language with suffiecient examples to tell that how unions popped out to be helpful at certain troublesome instants on the whole. His arguments exactly carried on to tell the importance of unions and he advises all the workers to join in the unions which would be ultimately beneficial to them on the whole..

Yates (2009) notes that unions have a purpose broader than serving t.pdf

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