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Similarities between Agile Development and User-Centered Design (UCD) - Answer 1. Emphasizes iterative development processes building on feedback from previous rounds. 2. Heavy emphasis on the users role in the development process. 3. Emphasize the importance of team coherence. Differences between Agile Development and User-Centered Design (UCD) - Answer 1. Importance of documentation. 2. Importance of doing research prior to the beginning. Five Principles for Integrating Agile De...

Identifying a Task - Answer Watch real users Talk to users Start small Abstract up You are not your user Processor Model - Answer Humans take input and produce output Interface must fit human limits Quantitative Experiments Quantitative - Answer Data that is in numbers Formal tests, comparisons, conclusions Narrow Predictor Model - Answer Understand inside users head Interface must fit within humans current knowledge Efficiently teach user what they don't know ...

Key roles of an operating system - Answer hides hardware complexity, ensuring policies, isolating applications from each other, directs resources, enforces working policies, mitigates difficulty of complex tasks Policies - Answer Set of rules or guidelines that the OS uses to decide what to do. Mechanisms - Answer What abstractions use to accomplish tasks Abstractions - Answer Concepts that the OS uses to manage privileged component Principle of separation of mechanism an...

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What is the primary objective of 'learning by correcting mistakes' in an agent? - Answer To correct the agent's knowledge and reasoning following an incorrect or sub-optimal decision so the error does not recur. Learning by correcting mistakes is considered an introductory lesson in the field of _____. - Answer Meta-reasoning What are the three fundamental questions an agent must answer to learn from a failure? - Answer How to isolate the error, how to explain the fault, ...

How can you avoid goal conflicts in planning? - Answer Partial-order planning How can you detect conflicts in planning? - Answer For each precondition in the current plan, if precondition for an operator in the current plan is clobbered by a state in another plan, then promote the current plan above the other plan. What are scripts? - Answer A causally coherent set of events. Causal: each event causes the next Coherent: each connection makes sense Events: Actions/scenes in the ...

Intelligent agents have... - Answer limited resources (computational resources, processing speed, memory size, etc.) All computation is local, but most AI problems have... - Answer global constraints Computation logic is fundamentally deductive, but many AI problems are not. Rather, they are... - Answer abductive or inductive in their nature The world is dynamic, but... - Answer knowledge is limited Problem solving, reasoning, and learning are complex, but... - Answer ...

Predictive Modeling Pipeline Steps - Answer 1. Prediction Target 2. Cohort Construction 3. Feature Construction 4. Feature Selection 5. Predictive Model 6. Performance Evaluation Prospective Study - Answer an observational study in which subjects are followed to observe future outcomes Retrospective Study - Answer A study that traces historical information related to the study population Which type of study deals with more noise? (Prospective or retrospective?) - Answer ...

What is the field of artificial intelligence? - Answer The design and study of computing systems that behave intelligently What is the AI focus? - Answer Nontrivial problems that are often solved by humans and require reasoning What's the engineering benefit of AI research? - Answer Solving hard problems What's the cognitive benefit of AI research? - Answer Understanding the nature of human intelligence How does the Turing Test work? - Answer If the response of a...

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Which of the following accurately completes the sentence? The interactions of prosthetic groups with proteins are generally not: specific permanent transient complementary any of the two - Answer ans: transient the oxygen-binding curve for hemoglobin is best described as: sigmoidal hyperbolic logarithmic linear complex - Answer ans: sigmoidal In sickle cell anemia, hemoglobin molecules aggregate because of the following: glutamate A3 of the beta subunit is changed to...

Metabolism - Answer the sum of chemical transformations catabolism - Answer degradation of biomolecules anabolism - Answer synthesis of biomolecules rate-limiting step - Answer - set the overall speed of a pathway (slowest step) - represents points of regulation True or false? Rate limiting steps are often exergonic - Answer true (they release energy) true or false? rate limiting steps are reversible - Answer false, rate-limiting steps are irreversible under ce...

The main purpose of adipose tissue is to - Answer process and store triacylglycerols What beta-oxidation enzyme reduces cofactor FAD - Answer acyl-CoA dehydrogenase what role do FA acyl-coA desaturates play in lipid metabolism - Answer they introduce C=C into FA's cortisol is released in which state - Answer Stress state Why is the acetyl-CoA carboxylase reaction regulated - Answer because it is the committed reaction in FA synthesis wat activates acetyl coA carb...

signal transduction - Answer Conversion of information into chemical change signals - Answer represent information that is detected by specific receptors Signals are converted to a cellular response which always involves a - Answer chemical process evolutionary conserved mechanisms to detect and transduce signals - Answer specificity, amplification, modularity, desensitization/adaptation, integration of signals specificity - Answer signal molecule fits binding site on ...

What are enzymes? What do they do? - Answer Enzymes are proteins that catalyze the chemical transformation of a substrate into a product. What is the term for "a protein that catalyzes a chemical transformation"? - Answer enzyme How is a reaction with an enzyme present different than if the enzyme were absent? (a) rate is increased (b) more products (c) lower activation energy (d) more free energy released (e) two of the above - Answer (e) two of the above __Feedback...

True or False Enzymes are proteins - Answer True What do enzymes do? - Answer - Catalyze the chemical transformation of a substrate (S) to a product (P) - increase the rate of reaction - function by lowering the activation energy of the reaction Name 4 types of enzymes - Answer - Kinase - Phosphatase - Phosphorylase - Hydrolase What is the general reaction of Kinase? - Answer X-OH + ATP ---> X-OPO3 ^2- + ADP + H+ (phosphate) What is the general reaction of phos...

Which ordered structure are sphingolipids more inclined to participate in? - Answer Lipid bilayers. Which of the following statements about biological membrane lipid composition is TRUE? Different subcellular compartment membranes have different composition. The two leaflets of each membrane have different composition. Localized regions within the plasma membrane differ in composition from the rest of the membrane. - Answer All of the above. In a biological membrane, with what do...

Which of the following statements about heme is TRUE? a) Heme consists of protoporhyrin X & Fe2+ b) It causes oxygen to form highly unreactive oxygen species c) Heme with Fe2+ can bind O2 reversibly d) Fe3+ is never found in heme - Answer c) Heme with Fe2+ can bind O2 reversibly* Which of the following is NOT a key concept in protein-ligand binding? a) Irreversible binding b) specificity c) conformational change d) Transient interactions - Answer a) Irreversible binding ...

What makes proteins dynamic molecules? - Answer Proteins depend on interactions with other molecules and can be physiologically altered subtlety or drastically. What influences protein function? - Answer Molecular Interaction. The most important aspect of protein function. What is a prosthetic group? - Answer A compound or co-factor permanently associated with a protein and is required for function. A prosthetic group is a stable reaction between itself and the protein. Are int...

Properties of interest of protein structure - Answer -size -shape -charge -hydrophobic or hydrophilic tendencies Stable interactions - Answer long lived, "permanent", bind prosthetic groups Transient interactions - Answer short lived, temporary, bind ligands Ligand binding site - Answer region of the protein where the ligand binds. Specific and complimentary to the ligand in size/shape/charge/hydrophobicity etc may be >1 binding site on a protein Induced f...