Lucyjonnes

Hemoglobin structure - Answers-dimer of dimers O2 binds to Fe on top and use 2nd distal histidine to stabilize the O2 to prevent Superoxide release concerted binding - Answers-prefer tense state when nothing is bound prefer relaxed state when stuff if bound sequential binding - Answers-A hypothesis that states that an ion binds to a binding site and progresses through the cell membrane by binding to sequential binding sites that develop a stronger attraction for the ion Tense state - ...

What base pairing exists in nucleic acids? How many hydrogen bonds between them? - Answers-G--C (3 hydrogen bonds) A--T (2 hydrogen bonds) What is the first amino acid always placed in a protein? - Answers-methionine (Met) start codon What 3 things make up a nucleotide? - Answers-nitrogen base phosphate group pento-sugar (ribose or deoxyribose) What are the 3 main differences between DNA and RNA? - Answers-RNA single strand DNA is double stranded

Protein Native conformation - Answers-The low-energy structure a given protein will fold into. Determining primary structure of proteins (steps) - Answers-1) Determine how many chains are present 2) Cleave one chain into small pieces using an enzyme with a known preferred cleavage site 3) Characterize each piece 4) Perform a second round of cleavage and characterization 5) Determine how the pieces fit together How can one determine the number of chains are present in a protein? - Answ...

Step 2 of the Citric Acid Cycle - Answers-Citrate <--> Isocitrate Uses aconitase enzyme H2O <--> H2O Step 3 of the Citric Acid Cycle - Answers-Isocitrate --> α-ketoglutarate Uses isocitrate dehydrogenase NAD(P)+ --> NAD(P)H + CO2 Step 4 of the Citric Acid Cycle - Answers-α-ketoglutarate --> succinyl-CoA Uses α-ketoglutarate dehydrogenase complex CoA + NAD+ --> NADH + CO2 Step 5 of the Citric Acid Cycle - Answers-Succinyl-CoA <--> Succinate Uses su...

15. A manager gives subordinates work that needs to be accomplished. What management principle is the manager is employing? - Answers-Delegation of Authority 16. Large fire departments with numerous companies have implemented the practice of staging a tactical reserve, whose sole purpose is to stand-by in the event of a firefighter emergency. What is this called? - Answers-RIC - Rapid Intervention Crew 17. There are four basic methods of communication in the fire service. Which method is c...

60. Manufactured products affect firefighters' exposure to contaminants, because they tend to burn at higher temperatures and these higher temperatures: - Answers-increase the skin's ability to absorb chemicals deposited on it. 61. Which organization or agency assists the fire department by alerting the public of traffic incidents or evacuations? - Answers-Media 62. NFPA 1500 requires that emergency operations be managed through a(an): - Answers-incident management system. 63. Which h...

Who is responsible for coordinating the activities of several fire companies in a defined geographic area such as a district? Captain Section chief Battalion chief Assistant chief - Answers-Battalion chief Which style of leadership does the fire department use? Distributed Paramilitary Decentralized Top centralized - Answers-Paramilitary

20. What way do you twist the nozzle for a fog stream? - Answers-left 21. Flashover - Answers-Stage of a fire at which all surfaces and objects within a space have been heated to their ignition temperature, and flame breaks out almost at once over the surface of all objects in the space. 22. Backdraft - Answers-The explosive burning of heated gases that occurs when oxygen is introduced into a compartment that has a high concentration of flammable gases and a depleted supply of oxygen due t...

68. Pyromaniac - Answers-A pathological fire setter. 69. Serial arsons - Answers-Involves an offender who sets 3 or more fires, with a cooling off period before fires. 70. Spree arsons - Answers-Involves an arsonist who sets 3 or more fire at separate locations, with no emotional cooling off between fires. 71. Mass arsons - Answers-Involves an offender who sets 3 or more fires at the same site or location during a limited period of time. 72. Six motives for arson - Answers-Vandalism,...

In the FAILURE acronym, what does the "L" stand for? - Answers-Lack of teamwork or experience Adding foam concentrate to a fire apparatus tank is called _________ mixing. - Answers-batch What is a major concern with battery-powered smoke alarms? - Answers-Battery replacement What does the "S" stand for in "RECEO-VS" - Answers-Salavage As applied to private residences, which room category includes formal living rooms, family rooms, and entertainment rooms? - Answers-Living rooms...

Which national organization writes codes and standards for fire protection? a. Occupational Safety and Health Administration (OSHA) b. United States c. Federal Emergency Management Agency (FEMA) d. National Fire Protection Association (NFPA) - Answers-d. National Fire Protection Association (NFPA) Which of the following is the organizational structure through which a department manages its routine and emergency operations? a. Incident command system b. Division of labor c. Chain of com...

When a substance changes from one type of matter to another, it has had a: A.chemical shift. B.physical change. C.chemical reaction. D.physical alteration. - Answers-C pg.208 Which of the following represents the amount of energy that an object can release in the future? A.Kinetic B.Thermal C.Potential D.Mechanical - Answers-C p.209 The energy possessed by a moving object is called: A.kinetic energy. B.thermal energy. C.potential energy. D.mechanical energy. - Answers-A pg.2...

What is NFIRS - Answers-A system for reporting firefighter fatalities and injuries What can be done to help ensure proper generation of high-quality foam? - Answers-Ensure that proportioning equipment is properly cleaned and clogs are removed During a fire investigation, interior examination should begin from the __________. - Answers-Point of origin to the exterior of the building When would it be sufficient at a structure fire to only restrict access to the building's interior or one...

Which type of rescue tools are typically vehicle repair tools adapted to fire service use? (490) A. Pulling tools B. Cutting tools C. Power rescue tools D. Pneumatic and manual rescue tools - Answers-d What type of saw is often used for delicate cutting operations? (492) A. Rotary saw B. Circular saw C. Whizzer saw D. Reciprocating saw - Answers-c During vehicle extrication operations what BEST type of surface to place a jack on? (493) A. A flat, level surface B. A soft...

What information in fire incident records can help with fire prevention efforts? -Answers- information about the fire history of a community How many types of portable foam proportioners are there and what are they called? -Answers- in-line and foam nozzle eductors _____________ are made by fire service personnel to ensure compliance with applicable fire and life-safety requirements. -Answers- inspections Most incendiary devices leave _____ of their existence. -Answers- evidence many...

Which method of moving water uses a primary water source located at a higher elevation than the distribution system and delivers water to the system without the use of pumps? - Answers-gravity system What is NOT a reason a hose clamp is used? - Answers-to allow advancement of a charged hose line down stairs Where should the hose be connected on a fire dept pumper when being used for service testing hose line? - Answers-to the discharges on the opposite side of the pump panel What is the...

A collapse zone must be established when: (201) A. a defensive strategy has been adopted. B. there is no evidence of structural instability. C. mortar between masonry shows no sign of deterioration. D. furnishings and finishes do not overwhelm fire suppression systems. - Answers-A. A defensive strategy has been adopted Which of the following must be considered when deciding the size of a collapse zone? (201) A. Locally adopted building codes B. Number of personnel on-scene C. Ty...

another name for subclass - Answers-descendant software engineering - Answers-the application of a systematic and disciplined approach to the development, testing, and maintenance of a program software life cycle stages - Answers-analysis design coding testing operation and maintenance

(Abstraction)Java supports the creation and existence of - Answers-abstract classes that expose interfaces, without including the actual implementation of all methods. Abstraction and encapsulation are complementary - Answers-concepts. On the one hand, abstraction focuses on the behavior of an object. On the other hand, encapsulation focuses on the implementation of an object's behavior. (Differences between Abstraction and Encapsulation)Encapsulation is usually achieved by - Answers-hidi...

What is method overriding? - Answers-a feature that allows sub-class to provide implementation of a method that is already defined in the main class. This will override the implementation in the superclass by providing the same method name, same parameter, and same return type. What is an interface? - Answers-An interface is a collection of abstract methods. If the class implements an inheritance, and then thereby inherits all the abstract methods of an interface. What is exception handlin...