Examzen

Explain how V. fisheri produces bioluminescence in Hawaiian Bobtail Squidproduce bioluminescence for the squid but only at high cell density Advantage of Bioluminescence?: Bacteria on squid Serves as camouflage What is quorum sensing? How do the cells sense that other cells are around?Bacterial cells in communities communicate in a dens

SJSU: Psyc-102 Exam 1 questions and answers Normative developmentBased on typical, statistical norms Individual developmentfactors that affect individuals, variance, unique exps => diff paths Canalizationsome changes more affected by biological factors > env factors. Producing the same pheonotype despite living in different conditions. Experiential canalizationtake into account experiences into biology, nurture > nature• I.e. children in poverty more alert to ...

SJSU PSYC 158 Exam 1 questions and answers sensationinitial processes of detecting and encoding environmental energy perceptionconscious experience of objects and their relationships (resulting from psychological processes in which meaning, relationships, context, judgment, past experience, and memory may play a role) -e.g., your awareness of seeing a cat Psychophysicsthe study of the quantitative relationship between physical properties of the world and our psychological perceptio...

SJSU Kin 175 Exam 2 Topics: Psychometrics questions and answers What does it mean for data to be clean?The data reflects what it is supposed to. What does it mean for data to be relevant?The data is applicable given the context and purpose of data collection and is appropriate in terms of the particular group the data is being obtained from. What does it mean for data to be reliable?The data produced is accurate. What does it mean for data to be valid?Data is clean and r...

SJSU Kin 147 Exam 1 questions and answers Name different ways to assess muscle function?strength testing manual muscle testing dynamometry electromyography What is manual muscle testing (MMT)?-a test used to determine the extent of muscular weakness as a result of disuse, injury, or disease -can be used to aid diagnoses and plan therapeutic exercises when a strength deficit exists concentric contractionmuscle shortens as it maintains tension eccentric contractionmusc...

SJSU HIST15A Midterm 1 questions and answers Bering Strait Land Bridgecrossed by a group of hunters and fishers when coming to the Americas between 15-60 thousand years ago. From Eurasia into North America, land/ice bridge called the Beringia. Paleo-IndiansThe first group of people to enter and inhabit the North Americas. They had stone tools, projectile points and scrapers. CahokiaThe central city for Indian culture in the Mississippi River Valley c. 1200; the largest sett...

SJSU HIST 15A CIRIVILLERI FINAL EXAM FALL 2024 questions and answers Operation BarbarossaCodename for Nazi Germany's invasion of the Soviet Union during World War II -- led to USSR joining the Allies SudetenlandAn area in western Czechoslovakia that was coveted by Hitler. Germany thought it was rightfully theirs due to the large German speaking population. Germany eventually seized all of Czechoslovakia, and then went on to threaten Poland. Nazi-Soviet Pact (1939)Hitler-...

SJSU Final Exam Bio 155/55 questions and answers 2 x 2 Table2 variables: -1 variable: treatment/ Intervention/ Factor -2nd variable: outcome/ Event There are frequencies analyzed in a 2 x 2 contingency table Risk-Probability an event will occur -Risk in one group: # of individuals with the outcome/ total # of individuals in that group Relative Risk:-Aka risk ratio -Ratio of risks for 2 groups -RR = (risk of intervention group/risk for reference group) -RR = 1 means risk is the ...

SJSU ENVS 119 Final Study Guide questions and answers a+ How is the potential wind power output calculated for a specific site and turbine? (Formula)P=0.5 x p x Cp x v^3 x As p= 1.2kg/m^3 Cp= energy coefficient (.4-.5) v^3= meters per second (double wind speeds=8 fold in power) As=m^2 (area swept by blade) How can the social gap in renewable energy be overcome?Include more people in the conversation and what could be the benefit. Define « intermittent » for wind e...

Explain how V. fisheri produces bioluminescence in Hawaiian Bobtail Squidproduce bioluminescence for the squid but only at high cell density Advantage of Bioluminescence?: Bacteria on squid Serves as camouflage What is quorum sensing? How do the cells sense that other cells are around?Bacterial cells in communities communicate in a dens

Name the chromatography method we are using in lab today that will SEPARATE THE PROTEINS. Please be specific and describe how it basically works.The chromatography method used to separate the proteins is ion exchange column chromatography. This method basically manipulates the buffer pH to cause proteins to bind to an ion exchange matrix. O

SJSU BIOL 30 LAB EXAM 1 questions and answers Which food product will we be isolating genomic DNA from today?corn/maize What is the name of the gene that encodes the Bt endotoxin?Cry1A What does PCR stand for?Polymerase Chain Reaction All of the following are part of a PCR reaction except:Bt Toxin What is the name of the gene that will be PCR'd that is specific to maize?irvl What is the charge of DNA?DNA has a negative charge. What will you stain the DNA with...

SJSU Biol 30 Exam 3 questions and answers Which cytoskeleton component can be assembled and disassembled quickly?Actin Filaments and Microtubules Which organelles participate in protein folding?Golgi Complex and rough endoplasmic reticulum Which shape will have the lowest surface area to volume ratio?Sphere Which of the following is true about cells that specialize in nutrient absorption?They have a high surface area to volume to ratio. Which type of lipid compositi...

SJSU Bio Final questions and answers Which of the following is true of energy?It can be converted from one form to another Over time, without any additional input of energy what happens to molecules?They become more disordered Which of the following is the term that describes the accumulation of electrons (e )?Reduction Which of the following is a source of potential energy in a molecule of ATP?Covalent Bonds Which of the following will cause a release of free ener...

SJSU BIO 54 FINAL REVIEW QUESTIONS AND ANSWERS Alcohol addiction-a physical/psychological dependence with loss of control, continuous craving and compulsive use Binge drinking-consuming a large quantity of alcohol in a short period of time Alcohol dehydrogenase-enzyme in stomach that breaks down alcohol - women have 1/2 as much as men Immediate effects of alcohol-reduces frequency of nerve transmission -dehydration -water is lost from cerebospinal fluid -irritates gastroi...

Psyc-158 Exam 1 questions and answers Psychophysicsthe study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them absolute thresholdthe minimum stimulation needed to detect a particular stimulus 50 percent of the time; ex. How far away a candle has to be until you can't smell it anymore method of limitsA psychophysical method for measuring threshold in which the experimenter presents sequences...

PSYC-158 Perception Exam 1 questions and answers What is an Absolute Threshold, what is the threshold for any sense, how does it differ from JND?Minimum amount of stimulation necessary for a person to detect a stimulus 50% of the time. Just noticeable difference is the smallest detectable difference between two stimuli, or the minimum change in a stimulus that can be correctly judged as different from a reference stimulus; also known as difference threshold. What is the Jus...

Nutri Sci Final Exam questions and answers Framingham heart studyobservational study aiming to identify lifestyle factors and are CORRELATED to cardiovascular disease PREDIMED studya randomized human trial that aims to establish CAUSAL (shows causation) relationship between diet (mainly healthy fats) and cardiovascular diseases what are macronutrients and micronutrientsmacros- your body needs them in large quantities. carbs proteins lipids and water micros- your body n...

Nurse Aide-Ch.20 terms anorexialoss of appetite aspirationBreathing fluid, food, vomitus, or an object into the lungs caloriethe fuel or energy value of food Daily Value (DV)How a serving fits into the daily diet; expressed in a percent (%) based on a daily diet of 2000 calories dehydrationA decrease in the amount of water in body tissues dysphagiadifficulty swallowing edemathe swelling of body tissues with water graduateA measuring container for fluid intakethe amount of flu...

Lactation NLC questions and answers Exclusive breastfeedingFeeding only breast milk for the first 6 months of life. Passive immunityImmunity transferred from mother to child through breast milk. OxytocinHormone that stimulates uterine contractions and milk ejection. ProlactinHormone that stimulates milk production in mammary glands. ColostrumFirst milk produced after birth, rich in antibodies and nutrients. LactogenesisStages of milk production in lactating mothers. MammogenesisD...