Hfst 8, enzymen: baisconcepten en kinetica
Dit is een uitgebreide samenvatting van hoofdstuk 8 uit \'Biochemistry\' van Berg en Tymoczko (8e druk). Informatie uit de e-module opdrachten is hier ook in verwerkt. Onderwerpen die aan bod komen, zijn: enzymen, active site, transitie staat, specificiteit, proteolitische enzymen, cofactor, metaal, co-enzym, co-substraat, prothetische groep, apoenzym, energie, regulatie, Gibbs vrije energie, thermodynamica, exergoon, endergoon, evenwicht, vrije energie van activatie, evenwichtsconstante, reactiesnelheid, snelheid constanten, formules, activatie energie, enzym-substraat complex, maximale snelheid, katalytische groep, lock-and-key model, induced fit, bindingsenergie, first-order, second-order, zer order, pseudo-first-roder, Michaelis constante, Michaelis vergelijking, steady state aanname, Lineweaver-Burk plot, dissociatie constante, Kcat, turnover, kinetische perfectie, sequentiële reacite, ping-pong reactie, allosterisch enzym, coöperatie, reversibele inhibitor, irreversibele inhibitor, competitief, uncompetitive, noncompetitive, groep specifieke reagenten, affinity labels, substraat analogen, suicide inhibitor, DIPF, TPCK, penicilline, transitiestaat analoog, ensemble studies, in singulo methode etc.
Enzymes - Revision Notes
Enzymes (handwritten) revision notes. Contains information on: the lock and key model, induced fit model, factors affecting the rate of enzyme controlled reactions, inhibitors and model exam answers.
HANDS-ON ETHICAL HACKING AND NETWORK DEFENSE, Quiz: Graded A
What layer, in the TCP/IP stack, is responsible for routing a packet to a destination address?
A device that performs more than one function, such as printing and faxing is called which of the following?
What security certification uses the Open Source Security Testing Methodology Manual (OSSTMM) as its standardized methodology?
Which of the following sometimes displays a banner that notifies the user of its presence?
What network security tool, usually included with Kali Linux, allows a user to ping multiple IP addresses?
In any *NIX system, after saving a script named \"script_name,\" you need to make it executable so that you can run it. Which command will accomplish this task from the command line?
Which of the following logical operators in the C programming language is evaluated as true if both sides of the operator are true?
A certificate contains a unique serial number and must follow which standard that describes the creating of a certificate?
Adobe System\'s ColdFusion uses its proprietary tags, which are written in which of the following languages?
What connection-oriented protocol is utilized by the Transport layer?
Which type of social engineering attack attempts to discover personal information through the use of email?
What utility can be used to intercept detailed information from a company\'s Web site?
What type of an IDS is being used when it does not take any action to stop or prevent an activity occurring?
Which of the following is contained in a wireless frequency band and breaks up the band into smaller frequency ranges?
Which of the following statements in the C programming language is used to load libraries that hold the commands and functions used in your program?
Which of the following refers to verifying the sender or receiver (or both) is who they claim to be?
Which type of device monitors a network\'s hardware so that security administrators can identify attacks in progress and stop them?
What type of attack is being performed when the attacker has access to plaintext and ciphertext, and can choose which messages to encrypt?
Red Hat and Fedora Linux use what command to update and manage their RPM packages?
When Web site visitors are involved in downloading malicious code without their knowledge, they may be unknowingly involved in what type of process?
Which of the following defines how data is placed on a carrier signal?
When using the Common Internet File System (CIFS), which security model will require network users to have a user name and password to access a specific resource?
Carelessly reviewing your program\'s code might result in having which of the following in your program code?
Which of the following results from poorly configured technologies that a Web application runs on top of?
What programming languages are vulnerable to buffer overflow attacks?
What derogatory title do experienced hackers, who are skilled computer operators, give to inexperienced hackers?
Which of the following if often found within an embedded OS that can cause a potential vulnerability to an attack?
In what type of attack does the attacker need access to the cryptosystem, and the ciphertext to be decrypted to yield the desired plaintext results?
Which of the following source code is now available to the public and was considered a trimmed down version of the Windows desktop OS?
What port is typically reserved and utilized by the Secure Hypertext Transfer Protocol to create a secure connection to a Web server?
Which of the following terms is the rate at which a sound wave repeat?
To examine the router\'s routing table, a Cisco administrator would enter which command?
SCADA systems controlling critical infrastructure are usually completely separated from the Internet by which of the following?
What router feature provides basic security by mapping internal private IP addresses to public external IP addresses, essentially hiding the internal infrastructure from unauthorized personnel?
In the Perl programming language, which of the following keywords is used in front of function names?
Which of the following is a useful enumeration tool that enables you to find out who is logged into a *nix system with one simple command?
What is the passive process of finding information on a company\'s network called?
Which of the following interfaces, developed by Microsoft, is a set of interfaces that enable applications to access data stored in a database management system (DBMS)?
When a TCP three-way handshake ends, both parties send what type of packet to end the connection?
Which statement is where the script performs its main task?
What upper-level service is required to utilize file and printer sharing in Windows?
In the TCP/IP stack, what layer is concerned with physically moving bits across the network\'s medium?
In HTML, each tag has a matching closing tag that is written with which of the following characters?
In the C programming language, which variable type holds the value of a single letter?
What does the \"NBT\" part of \"NBTscan\" stand for?
Which of the following sits between the Internet and the internal network and is sometimes referred to as a perimeter network?
What specific type of spread spectrum modulation allows data to hop to other frequencies to avoid interference that might occur over a frequency band?
What penetration model should be used when a company\'s management team does not wish to disclose that penetration testing is being conducted?
Which of the following is a mini-program within a main program that carries out a task?
Which of the following is a range of allowable values that is used to generate an encryption key?
What professional security certification requires applicants to demonstrate hands-on abilities to earn their certificate?
Which one of the following, if compromised might allow attackers the ability to gain complete access to network resources?
What HTTP method is the same as the GET method, but retrieves only the header information of an HTML document, not the document body?
When an individual attempts to discover as much information legally possible about their competition, what information gathering technique are they performing?
If an organization does not want to rely on a wireless device to authenticate users, which of the following is a secure alternative?
Which of the following application tests analyzes an application\'s source code for vulnerabilities, and is therefore only possible when the source code of an application is available?
What tactic is being used when an attacker trailing closely behind an employee enters a restricted area without any security credentials by utilizing their proximity to another employee with security clearance?
What type of malicious procedure involves using sniffing tools to capture network communications to intercept confidential information or gather credentials that can be used to extend the attack?
Which IDS system uses a baseline of normal activity and then sends an alert if the activity deviates significantly from this baseline?
Penetration testing can create ethical, technical, and privacy concerns for a company\'s management team. What can a security consultant do to ensure the client fully understands the scope of testing that will be performed?
If you work for a company as a security professional, you will most likely be placed on a special team that will conduct penetration tests. What is the standard name for a team made up of security professionals?
What is the IEEE 802 standards name for a wireless network that is limited to one person\'s workspace?
Which of the following takes you from one area of a program (a function) to another area?
Which of the following is a scripting language for Windows and Linux that performs repetitive tasks, such as password cracking?
Which of the following is a text file generated by a Web server and stored on a user\'s browser?
When an attacker has access to a password file, they can run a password-cracking program that uses a dictionary of known words or passwords as an input file. What type of attack is this attacker performing?
You can use the syntax /* and */ to accomplish what function when working with large portions of text?
Which type of Cisco access lists can restrict IP traffic entering or leaving a router\'s interface based only on the source IP address?
To see additional parameters that can be used with the Netcat command, what should you type at the command prompt?
Which of the following is a function that takes a variable-length string or message and produces a fixed-length message digest?
Which of the following is an interprocess communication mechanism that allows a program running on one host to run code on a remote host?
What type of attack is occurring when an attacker places themselves between two parties and manipulates messages being passed back and forth?
What type of modulation spreads data across a large-frequency bandwidth instead of traveling across just one frequency band?
To determine whether a system could be vulnerable to an RPC-related issue, which of the following tools can be used?
A computer hacker may use a phishing e-mail to lure a user into following a malicious link. What type of technique is being used by the computer hacker?
When hackers drive around or investigate an area with an antenna, they are usually looking for which component of a wireless network?
Which of the following is an alternative term used when referring to Application Security?
Which of the following protocols is an enhancement to PPP, and was designed to allow a company to select its authentication method?
Which of the following is created after an attack and usually hides within the OS tools, so it is almost impossible to detect?
What type of viruses and code has been created by security researchers and attackers that could infect phones running Google\'s Android, Windows Mobile, and the Apple iPhone OS?
Which of the following is an excellent GUI tool for managing Windows OSs and is capable of displaying graphical representations of several areas?
What IPv4 address class has the IP address 220.127.116.11?
Which of the following special characters is used with the printf() function in the C programming language to indicate a new line?
Which on of the following is an older network management service that is useful for network administrators that want to view system statistics, version numbers, and other detailed host information remotely?
What security feature was extended to the OS to alert the user when an application is launched on a Windows 8.1 computer?
What type of virus is used to lock a user\'s system, or cloud accounts until the system\'s owner complies by paying the attacker a monetary fee?
Which type of attack cripples the network and prevents legitimate users from accessing network resources?
Which of the following is considered to be the most critical SQL vulnerability?
What is the current file system that Windows utilizes that has strong security features?
What is the specific act of checking a user\'s privileges to understand if they should or should not have access to a page, field, resource, or action in an application?
What policy, provide by a typical ISP, should be read and understood before performing any port scanning outside of your private network?
Which of the following is a common Linux rootkit?
Which specific type of tag do All CFML tags begin with?
Which of the following is a Windows programming interface that allows computers to communicate across a local area network (LAN)?
Microsoft Baseline Security Analyzer has its origins in which of the following command line scanners?
Which of the following describes a flexible program that automates a task that takes too much time to perform manually?Â Â
What type of useful tools can a security tester find available in both Firefox and Chrome Web browsers?
How many host computers can be assigned a valid IPv4 address when using a CIDR /24 prefix?
Which of the following is a utility that is a wireless network detector, sniffer, and an intrusion detection system?
Biochemistry Enzyme Action, Activity, and Specificity Notes
Quickly learn biochemistry topics with my concise and visually appealing notes. These notes cover Enzyme Action, Enzyme Activity, Enzyme Specificity, Enzyme Recognition Models, Reaction Rates, Optimum Temperature, Optimum pH, Saturation Curves, Saturated Conditions, and Turnover Number. These notes also include important definitions, and beautiful digitally-drawn figures. I earned a 4.0 in biochemistry and so can you!
1.4 Enzymes - BY1 Basic Biochemistry & Organisation - AS Level Biology
A detailed, handwritten (easy to read) summary of the BY1 topic, Enzymes for AS Biology. Includes necessary knowledge of lock & key model, induced fit theory, activation energy, factors that affect enzymes and the advantages, disadvantages and uses of immobilised enzymes. Best for students doing in the WJEC exam.
CIS 552 CIS552 Week 5 Midterm Exam (Spring 2017)
1. All but which one of the following is security vulnerability found in RIP?
a. Broadcasts all data
b. No authentication
c. Travels only 56 hops
d. Subject to route poisoning
2. Which of the following is the main purpose of ICMP?
a. Packet delivery
b. Error detection and correction
c. Logical errors and diagnostics
d. IP packet delivery
3. OSPF operates at which of the following layers of the OSI model?
4. Which of the following statements is true in regard to protocols?
a. IP is a routing protocol, whereas RIP is a routable protocol.
b. OSPF is a routing protocol, whereas IP is a routable protocol.
c. BGP is used as a routable protocol, whereas RIP is a routing protocol.
d. Routable protocols are used to deﬁne the best path from point A to point B, while routing protocols are used to transport the data
5. Which of the following is a common application layer attack?
a. Port scanning
c. Session hijack
d. SYN attack
6. When choosing between guards and dogs for physical, which of the following factors must be considered?
c. Dual role
7. Which of the following biometric authentication methods is most frequently found on laptops?
d. Voice recognition
8. Which of the following lock grades should be selected in order to appropriately protect critical business assets?
a. Grade 4
b. Grade 2
c. Grade 1
d. Grade 3
9. CCTV can be used as which of the following type of tools?
a. Detective only
b. Preventive only
c. Detective and reactive
d. Reactive and preventative
10. Focal length defines which of the following camera qualities?
a. Degree of granularity
b. Ability to zoom
c. Scope of color
d. Horizontal and vertical view
11. Which of the following describes penetration testing as a four-step process?
b. NIST 800-42
d. NIST 800-37
12. Which of the following is a corporate governance law that affects public corporations’ financial reporting?
d. NIST 800-53
13. Which of the following statements is most accurate in regard to successful security professionals?
a. Once certified, they are current for as long as they practice
b. They must have at minimum a masters level college degree
c. They commit to lifelong learning
d. They only need to know general terms of technology
14. Which of the following terms best describes hackers that occupy the lowest level of the hacker hierarchy?
a. Script kiddies
15. Which of the following controls take the form of software or hardware such as firewalls, proxies, and intrusion detection systems?
16. In order to locate domain information on a Canadian organization, which of the following Regional Internet Registries would be checked first?
17. Which of the following databases would be valuable for obtaining information about a company’s financial history?
a. Internet Assigned Numbers Authority (IANA)
b. Wayback Machine
18. Which of the following is most likely to provide a wealth of publicly posted information about an organization’s employees?
b. Social networking sites
c. The organization's intranet
d. User group forums
19. In order to locate domain information on a European organization, which of the following Regional Internet Registries would be checked first?
20. Which of the following best describes the purpose of the in title command?
a. Instructs Google to search for a term within the title of a document
b. Instructs Google to ignore words in the title of a specific document
c. Instructs Google to look in the URL of a specific site
d. Instructs Google to search a specific URL
21. Which of the following is a tool used for network mapping?
22. Which of the following ports does SSH operate on?
23. Which of the following is a tool used for wardriving?
24. Which of the following best describes the SYN flag?
a. Synchronize sequence number **a – 144
b. Acknowledgement of sequence number
c. Final data flag used during the four-step shutdown
d. Reset bit used to close an abnormal connection
25. Modems can be located by conducting what type of attack?
d. Port scans
26. Which of the following is a commonly used hashing algorithm?
27. Which of the following is a cipher commonly known as a key shift cipher?
28. Key management includes all but which one of the following processes?
29. Which of following methods is best suited in a situation where bulk encryption is required?
30. Which of the following terms best describes the main principle behind PKI?
b. Established trust