How can you tell the difference between measles, mumps, and rubella?
Find below the difference between Measles and Rubella….Measles vs Rubella.
Measles
Rubella
Lymph nodes are not always swollen
Swollen lymph nodes
Typically a high fever of >40°C
Typically low fever of < 38.3°C
Rashes in measles are blotchy with red spots
Rashes in Rubella are spots that fade fast
What is mmr1 and mmr2 vaccine?
MMR and MMRV Vaccine Composition and Dosage Two vaccines containing measles, mumps, and rubella virus are licensed for use in the United States. M-M-R II® is a combination measles, mumps, and rubella (MMR) vaccine. ProQuad® is a combination measles, mumps, rubella, and varicella (MMRV) vaccine.
What does German measles rash look like?
It can look like many other viral rashes, appearing as either pink or light red spots, which may merge to form evenly colored patches. The rash can itch and lasts up to 3 days. As the rash clears, the affected skin might shed in very fine flakes.
What is the mumps look like?
Mumps is characterized by swollen, painful salivary glands in the face, causing the cheeks to puff out. Some people infected with the mumps virus have either no signs or symptoms or very mild ones. When signs and symptoms do develop, they usually appear about two to three weeks after exposure to the virus.
Is rubella a live vaccine?
Meruvax II (rubella virus) Vaccine Live is a live vaccination used to help prevent rubella (also called German Measles) in adults and children who are at least 12 months old.
When is MMR given?
The MMR vaccine is a vaccine against measles, mumps, and rubella (German measles). The first dose is generally given to children around 9 months to 15 months of age, with a second dose at 15 months to 6 years of age, with at least 4 weeks between the doses.
Manual Provisioning Setup of the Polycom VVX 300/310
Press the Home button.
Select the Settings menu.
Select option 2 – Advanced.
Enter the default password “456”
Select option 1 – Administration Settings.
Select option 1 – Network Configuration.
Select Provisioning Server.
Set Server Type to: HTTP.
Are Polycom phones VoIP?
Desk Phones – VoIP Solutions for Business & Home Office | Poly, formerly Plantronics & Polycom.
What is the VVX?
The Polycom® VVX® 201 business media phone is a two-line SIP for small businesses and medium-sized organizations phone that delivering Polycom® HD™ Voice technology. Application targets. Ideal for retail environments, call centers or shared/common areas, such as lobbies, hallways and break rooms.
How do I reset my VVX phone?
How do I factory reset my Polycom VVX?
Click on the Home button.
Scroll to the Settings (gear icon) and click on it.
Go to Advanced.
Enter the admin password (456 by default)
Go to Administration Settings.
Go to Reset to Defaults.
Go to Reset To Factory.
Say Yes when it asks Are you sure?
What company makes the Polycom VVX 300 and 310?
Polycom VVX 300 and 310 Business Media Phones Polycom, Inc. 1 USER GUIDE Polycom®VVX®300 and 310 Business Media Phones Version 5.0.0 | August 2013 | 1725-49089-001 Rev C
How do I redial a number on a Polycom VVX 300?
Polycom VVX 300 and 310 Business Media Phones User’s Guide Version 5.0.0 Polycom, Inc. 27 To redial a number: » From the Placed Calls list, as shown next, press Dial. Use the up and down arrow key to select other previously placed calls. Ending Calls
What is the idle browser on the Polycom VVX 300 and 310?
Polycom VVX 300 and 310 Business Media Phones User’s Guide Version 5.0.0 Polycom, Inc. 52 The idle browser shows non-interactive web content on the idle screen that displays when your phone is idle. You cannot display the Idle Browser during an active call.
How do I broadcast on the Polycom VVX?
3To start the broadcast, press and hold Talk. A transmitting beep plays and the phone displays the channel’s information such as the channel label. 4Begin speaking. Make sure to hold Talkthroughout the broadcast. Polycom VVX 300 and 310 Business Media Phones User’s Guide Version 5.0.0 Polycom, Inc. 55
The NAD coenzyme acts as a hydrogen acceptor in oxidation-reduction reactions. The electron transport chain in cellular respiration is responsible for energy production and is an excellent illustration of NAD’s involvement in redox reactions.
What is the role of NAD+ and FAD?
NAD+ and another essential intracellular coenzyme flavin adenine dinucleotide (FAD+) play essential roles in cellular oxidation-reduction (redox) reactions and are responsible for accepting high-energy electrons and carrying them to the electron transport chain (ETC) to synthesize adenosine triphosphate (ATP) [3].
What is the role of NAD and FAD in aerobic respiration quizlet?
Both NAD and FAD play a crucial role in cellular respiration to temporarily store energy as it’s released from glucose.
What is FAD in cellular respiration?
An important mechanism in cellular respiration is the transfer of energy to the molecule flavin adenine dinucleotide (FAD) to convert it to FADH2 This is a process of reduction which stores the energy in high electron states in the FADH2.
What is the role of NAD in anaerobic respiration?
Nicotinamide adenine dinucleotide (NAD) is a coenzyme which functions as an electron carrier in oxidation-reduction (redox) reactions of cells.
What is the role of NAD?
The cellular respiration processes of all living cells make use of the coenzyme Nicotinamide adenine dinucleotide (NAD). It plays a key role in energy metabolism by accepting and donating electrons.
What is the function of NAD and FAD quizlet?
NAD in its oxidized (after losing electrons) state is NAD+. NAD in its reduced (after accepting electrons) state is NADH. NADH will deliver the hydrogens and electrons it picks up to process that make ATP. FADH2 delivers hydrogen and electrons to processes that make ATP.
Where are NAD+ and FAD reduced in cellular respiration?
They pick up electrons at specific enzymatic reactions in either the cytoplasm or the matrix of the mitochondria and carry these high-energy electrons to an electron transport chain in the cristae of the mitochondria, where they drop them off. The empty NAD+ or FAD is then free to go back and pick up more electrons.
Why is FAD important?
FAD plays a major role as an enzyme cofactor along with flavin mononucleotide, another molecule originating from riboflavin. Bacteria, fungi and plants can produce riboflavin, but other eukaryotes, such as humans, have lost the ability to make it.
How many FAD are used in aerobic respiration?
2 FADH2
Carbon from breakdown is joined to oxygen to make carbon dioxide, which is a waste product. Oxaloacetate is regenerated at the end of the cycle. For each glucose that enters glycolysis, products of the citric acid cycle are 2 ATP, 6 NADH, and 2 FADH2.
Is FAD an oxidizing agent?
Rather they use nicotinamide adeninine dinucleotide (NAD+) or flavin adenine dinucleotide (FAD) as oxidizing agents, which get reduced. Enzymes that uses these oxidizing agents are usally called dehydrogenases. Dioxygen can also be used to introduce oxygen atoms into biological molecules in oxidative reactions.
What is the role of NAD+ in cellular respiration quizlet?
Define the role of NAD+ in cellular respiration. NAD acts as an electron and hydrogen carriers in some oxidation-reduction reactions.
What are NAD + and FAD and what are their functions?
What are their functions? NAD + and FAD are two coenzymes that are required for the catalytic reactions occuring during metabolic reactions. These coenzymes function as electron carriers to the electron transport chain, which ultimately releases energy for ATP synthesis.
What is the role of NAD in cellular respiration?
The cellular respiration processes of all living cells make use of the coenzyme Nicotinamide adenine dinucleotide (NAD). It plays a key role in energy metabolism by accepting and donating electrons.
How many NAD+ are reduced during aerobic respiration?
Aerobic respiration has three major steps: glycolysis, the citric acid cycle, and the electron transport chain (coupled with oxidative phosphorylation). During glycolysis, glucose is converted into pyruvate. For each sugar, two NAD+ are reduced (that means the NAD+ gets an extra electron)…
What is the role of NADH and FADH2 in ATP production?
ATP production is an important part of cellular respiration (the process of generating energy from food) and both NADH and FADH2 that are involved in this process help in making more ATP. It is observed that during cellular respiration, every NADH molecule produces 3 ATP molecules, whereas each FADH2 molecule generates 2 ATP molecules.
The Ventilated Front Seats are also standard on the Denali trim, which was unaffected by the shortage. Certain GMC vehicles have also faced limited heated steering wheel availability since last November, but while the heated/ventilated seats have returned, this change will remain in place for the time being.
Does Chevy have cooled seats?
The Chevrolet Blazer, Camaro, Corvette, Equinox, Malibu, Silverado 1500/2500/3500, Suburban, Tahoe, and Traverse all have the option to have cooled/ventilated seats. While many Chevrolet models are available, not all trim levels will have this feature, so definitely inquire to make sure you get what you’re looking for!
Does Chevy offer ventilated seats?
Starting with 2022 Chevy Silverado HD units produced as of February 21st, vehicles will be available with both the Heated Front Seats (RPO code KA1) and Ventilated Front Seats (RPO code KQV) features.
Is GM discontinuing heated seats?
Winter’s chill is going to be felt a bit more strongly for buyers of upcoming General Motors vehicles. The automaker has confirmed that it will temporarily stop offering the popular heated seat option in most 2022 vehicles, according to Automotive News. Heated steering wheels will also be unavailable.
What trucks have ventilated seats?
The Chevrolet Blazer, Camaro, Corvette, Equinox, Malibu, Silverado 1500/2500/3500, Suburban, Tahoe, and Traverse all have the option to have cooled/ventilated seats.
Does the GMC Acadia have ventilated seats?
Keep cool in summer and warm in winter with heated/ventilated driver and front-passenger perforated leather-appointed seat† cushions and seatbacks.
Are cooled seats worth it?
Getting a car with ventilated seats is worth it, especially if you get a model from a reputable brand. Mercedes and Audi are known to have the best-ventilated seats that will ensure you have a cool driving experience when the temperatures become unbearable.
Can you add aftermarket cooled seats?
Installing aftermarket cooled and heated seats is possible but not exactly easy. These features can’t be installed in your car’s existing seats. But some companies that revamp cars’ interiors can install new seats with cooling and heating features.
Can ventilated seats be added to a car?
Why are heated seats no longer available?
General Motors had to temporarily drop heated seats as an option on vehicles in response to the chip shortage. But the largest U.S. automaker is not alone. The move is another sign of how automakers are having to respond to a crisis that has been cratering dealer inventory, spiking prices and delaying orders.
Why is Chevy not doing heated seats?
The automaker confirmed with Roadshow on Monday it will not offer heated and ventilated seats, nor heated steering wheels, on a number of Chevrolet, Buick, Cadillac and GMC vehicles due to the ongoing semiconductor chip shortage. The changes affect 2022 model year vehicles.
Which cars have cooled seats?
For the most part, however, the list of cars with cooled seats below remains high-level. Chevrolet: Blazer, Camaro, Corvette, Equinox, Malibu, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, Traverse
What are heated and cooled seats?
No disagreements with your passengers about the proper temperature — heated seats, just for you. What are heated and cooled seats? Heated and cooled seats help keep you a comfortable temperature in any weather. They work by directing cold or hot airflow through porous seat materials.
Which Audi models have heated and cooled seats?
Browse our selection of handpicked Audi models with heated and cooled seats, or see all Audi inventory near you. The Audi A4 Prestige 40 TFSI is a trim level that does not skimp on climate control: with heated and cooled seats as well as three-zone climate control system, it’s the ultimate comfort car.
Should you buy a car with heated and cooled seats?
The most obvious benefit of buying a car with Heated and cooled seats is that it allows you as the driver or passenger to control your level of comfort. Consider a chilly morning in January, and your car has become cold overnight. You probably aren’t looking forward to sitting behind the wheel anytime soon.
71. “ Together with you is my favorite place to be.”
72. ” Let’s be weird and wonderful together.”
73. ” Love is being stupid together.
74. ” From the first day I saw you, you had me.
75. “
76. “
What are good short quotes love?
Short Love Quotes
“Love all, trust a few, do wrong to none.” –
“You call it madness, but I call it love.” –
“We can only learn to love by loving.” –
“A life lived in love will never be dull.” –
“Life is the flower for which love is the honey.” –
“All you need is love.” –
“True love stories never have endings.” –
What are some cute love quotes?
I’d rather spend one moment holding you than a lifetime knowing I never could. Every time I see you I fall in love all over again. If I had a flower for every time I thought of you, I could walk in my garden forever. I wanna be the reason behind your smile because surely you are the reason behind mine.
What are the best love quotes for him?
“I wanna live, sleep, and wake up by your side.”. “You’re mine and only mine, all rights reserved.”. “I know I’m a handful but that’s why you got two hands.”. “I may not be the perfect lover, but I love you with all my heart.”. “I just want to lay on your chest and listen to your heartbeat.”. “This
What are some good love quotes?
“I love you not only for what you are, but for what I am when I am with you. I love you not only for what you have made of yourself, but for what you are making of me. I love you for the part of me that you bring out.” Roy Croft “I never loved you any more than I do, right this second.
What are some short friendship quotes?
Short Friendship Quotes And Sayings. Truly there are some things in life that I just have to face alone but I wish you were there too. Friends buy you a lunch. Best friends eat your lunch. I don’t know what’s tighter, our jeans or our friendship.
What are some good short quotes?
Short inspirational quotes and short inspirational sayings. 101. “The true vocation of man is to find his way for himself.” – Hermann Hesse. 102. “A life of sacrifice is the pinnacle of art, and is full of true joy.” –Mahatma Gandhi. 103. “No wind favors he who has no destined port.” —Montaigne. 104.
There are nearly 60 cheats and secrets available in GTA Vice City, and these cheats can all be used and activated across every platform, including PS5, PS4, PS3, PS2, Xbox Series S|X, Xbox One, Xbox 360, Nintendo Switch, and PC.
What are best cheats in GTA Vice City?
– Grab any Police Vehicle and park it in your garage. – Start the Vigilant Mission. – Get out from the car and type vehicle Blow-up cheat — BIGBANG (Do this from a safe distance
How to make money fast in GTA Vice City?
Invest in Assets. Players will need to spend an awful lot of money if they want to purchase all of the assets in Vice City,though these properties and businesses
Complete Street Races. Certain assets in Vice City have special missions associated with them,many of which provide players with a decent amount of cash upon completion.
Hold Up Stores.
How to get unlimited money in GTA Vice City?
Gta Tips: How to get unlimited money in Gta Vice City At the beginning.This is a guide, how you can get unlimited money in Gta Vice City,after the missions “…
How do you get unlimited money in GTA Vice City?
Spawn a military tank with the code “PANZER”.
Start the Vigilante Missions.
Leave the tank and flee away with a vehicle.
Clear all targets with the code “BIGBANG”
Spawn other tanks and repeat this process to earn more money.
It’s very simple to get access to your HDHomeRun after you buy the box to enjoy all your shows. Just purchase the HDHomeRun box, set it up, and then open up My HDHomeRun to run it on your Linux device. Once you get everything synced up and started, you’ll be able to watch all the live TV you want and deserve.
How can I watch HDHomeRun on my PC?
To do so, navigate to my.hdhomerun.com from a web browser on a computer connected to your local network.
What ports does HDHomeRun use?
HDHomeRun DVR from SiliconDust uses port 5004 UDP. HDHomeRun can be administered over the Ethernet link to tune channels, broadcast an MPEG stream, etc.
How do I install HDHomeRun-config?
Once installed the graphical configuration utility can be found in Applications > Sound & Video > HD Homerun Config UI. Note: hdhomerun-config is not a dependency of hdhomerun-config-gui, as such if you require it, you will need to install it separately.
What software do I need to run HDHomeRun on Ubuntu?
The HDHomeRun works like a regular DVB device under Ubuntu, DVB drivers are required. Software known to work with these includes: Kaffeine (a desktop application) – this media player application includes channel scanning, setup, playback and recording in a single package. It can be installed via your favorite package manager.
Where can I find the latest firmware for HDHomeRun?
If you’re using Ubuntu Software Center, only the graphical utility can be installed (search for “HDHomeRun”). The latest firmware is available from the SiliconDust website.
What is HDHomeRun/MythTV/tunerie?
HDHomeRun/MythTV – a full-blown PVR and media center, available via Ubuntu packages or as an Ubuntu derivative. Tunerie – a Ruby on Rails web application that provides the ability to control your tuner with a web browser. SiliconDust regularly releases firmware updates that enhance the functionality and performance of the HDHomeRun.
Autophagy is a vital process in which the body’s cells “clean out” any unnecessary or damaged components. Researchers have linked autophagy to several positive health effects. They also believe that a person might be able to induce autophagy by fasting.
Is autophagosome single membrane?
The fusion of a double-membrane autophagosome (AP) with a lysosome generates an autolysosome (AL). Similarly, the convergence of macroautophagy and endocytosis produces a single-membrane amphisome (AM) that also results in an autolysosome upon fusion with a lysosome.
What does the autophagosome do?
An autophagosome is a spherical structure with double layer membranes. It is the key structure in macroautophagy, the intracellular degradation system for cytoplasmic contents (e.g., abnormal intracellular proteins, excess or damaged organelles, invading microorganisms).
Does the Autophagosome have a double-membrane?
Autophagosomes, large double-membrane vesicles enclosing cytoplasmic components targeted for degradation, are the hallmark of this catabolic pathway. The origin of the lipid bilayers composing these transport carriers has been the central enigma of the field since the discovery of autophagy.
What is autophagy good for?
At the cellular level, Petre says the benefits of autophagy include: removing toxic proteins from the cells that are attributed to neurodegenerative diseases, such as Parkinson’s and Alzheimer’s disease. recycling residual proteins. providing energy and building blocks for cells that could still benefit from repair.
How to isolate autophagosomes from light and heavy membranes?
After all membranes in the cell lysate were fractionated by differential centrifugation, autophagosomes from light and heavy membranes were isolated by immuno-precipitation, using antibodies against GFP-LC3 and Atg5. We found that GFP-LC3 and Atg5 positive autophagosomes represented distinctive subpopulations.
What is autophagosome biogenesis?
Autophagosome biogenesis involves nucleation, expansion, and closure of a cup-shaped membrane (called a phagophore or isolation membrane) to allow sequestration of cytoplasmic cargo, followed by their fusion with endolysosomal compartments to facilitate degradation of the sequestered material (Lamb et al., 2013).
How can autophagosomes be observed?
Autophagosomes (the characteristic double-membrane vesicles containing cytoplasmic components) have been observed by electron microscopy in mammalian cells since the 1950s cells (Klionsky, 2007) and this methodology still remains as one of the most conclusive ways of confirming the presence of autophagosomes in the cell.
What is autophagy and how does it work?
Autophagy is a dynamic process accomplished by the generation and maturation of autophagosomes. Isolation of autophagosomes and subsequent compositional analysis can provide information about their biogenesis mechanism. In this article, HEK293 cells expressing GFP-LC3 were treated by calcium phospha …
CDH, the world’s most popular Hadoop distribution, is Cloudera’s 100% open source platform. It includes all the leading Hadoop ecosystem components to store, process, discover, model, and serve unlimited data, and it’s engineered to meet the highest enterprise standards for stability and reliability.
What is Cloudera vs Hadoop?
Hortonworks’ business growth strategy focuses on embedding Hadoop into existing data platforms, while Cloudera takes the approach of a traditional software provider that profits from product sales and competes with other commercial software providers.
What exactly is Cloudera?
Cloudera, Inc. is an American software company providing enterprise data management systems that make significant use of Apache Hadoop.
Is Cloudera built on Hadoop?
Cloudera is revolutionizing enterprise data management by offering the first unified Platform for big data, an enterprise data hub built on Apache Hadoop.
What is Cloudera good for?
With Cloudera Data Platform, data moves friction-free and in any direction between clouds without costly rewrites or refactors. Data Services are modular practitioner-focused analytic capabilities, providing a consistent experience in any cloud.
How much RAM is required for Cloudera?
Cloudera Data Science Workbench
Hardware Component
Requirement
CPU
16+ CPU (vCPU) cores
Memory
32 GB RAM
Disk
Root Volume: 100 GB Application Block Device or Mount Point (Master Host Only): 1 TB Docker Image Block Device: 1 TB
What is the relation between Cloudera and Hadoop?
Cloudera Distribution Hadoop (CDH) has the ability to add new services to a running Hadoop cluster as well as it supports multi cluster management….Difference between Cloudera and MapR :
S.No.
CLOUDERA
MAPR
11.
It runs on Hadoop Distributed File System (HDFS).
MAPR runs on MapR File System (MAPRFS).
Can I use Cloudera for free?
Free versions going away The statement seems to be worded very carefully but what it really says is that to use Cloudera software in production you will need a paid subscription agreement. Only customers, trial users and developers can access the products.
Who uses Cloudera?
We have data on 9,731 companies that use Cloudera. The companies using Cloudera are most often found in United States and in the Computer Software industry. Cloudera is most often used by companies with 50-200 employees and 1M-10M dollars in revenue….Who uses Cloudera?
Company
DATA Inc.
Revenue
0M-1M
Company Size
1-10
Is Cloudera a database?
Cloudera delivers an operational database that serves traditional structured data alongside new unstructured data within a unified open-source platform.
What type of company is Cloudera?
Cloudera delivers an enterprise data cloud for any data, anywhere, from the Edge to AI. Powered by the relentless innovation of the open source community, Cloudera advances digital transformation for the world’s largest enterprises.
How to start Cloudera?
Now,to give more RAM and CPU cores,click on ‘Settings’,followed by ‘System’,and increase the RAM to 5GB.
Now you are required to start the machine,so that it uses 2 CPU cores,5GB RAM,and brings up the Cloudera QuickStart VM.
The next step will be going ahead and starting the machine by clicking the ‘ Start’ symbol on top.
What are some of the top Hadoop certifications?
Organizations are keenly looking for Certified professionals while sifting through 1000’ s of Hadoop CVs
Hadoop Certification is your only authentication while switching career from a different stream
The Certification is a valid proof that you have worked on real world industry projects
What is the diff between Apache Hadoop and Cloudera Hadoop?
Major differences between Apache Hadoop and Cloudera in Big data: Apache Hadoop is the Hadoop distribution from Apacge group while Cloudera Hadoop has its own supply of Hadoop which is designed on top of Apache Hadoop, so it does not have latest release of Hadoop. Herein, what is cloudera used for? Cloudera.
Should I get Cloudera data engineer certified?
Cloudera certification course has everything required to become a data engineer by gaining expertise on Data ingest, Data analysis and various aspects of the workflow.
What are the strengths and weaknesses of triangulation?
Strengths and weaknesses of triangulation
Main strengths
Main weaknesses
Potential to produce rich and productive data
Can produce large volumes of data
Facilitates a process of validation of results
Can result in superficial treatment of some data
Increases completeness in a study
Potential for discrepant findings
What are strengths of triangulation?
Theoretical triangulation The primary strength of theoretical triangulation is its ability to look deeper and more broadly at findings. Specifically, using only one theory, perspective or hypothesis can decrease the number of al- ternative explanations for a situation or phenomenon.
What is the principal disadvantage of triangulated research?
The drawbacks of triangulation include the lack of a uniform methodology. Those who use triangulation often fail to explain their techniques adequately and use varying methods for combining results.
Why is triangulation important in qualitative research?
Triangulation facilitates validation of data through cross verification from more than two sources. It tests the consistency of findings obtained through different instruments and increases the chance to control, or at least assess, some of the threats or multiple causes influencing our results.
What is triangulation design in research?
Triangulation in research means using multiple datasets, methods, theories and/or investigators to address a research question. It’s a research strategy that can help you enhance the validity and credibility of your findings.
How is triangulation used in research?
Triangulation is a technique to analyze results of the same study using different methods of data collection. It is used for three main purposes: to enhance validity, to create a more in-depth picture of a research problem, and to interrogate different ways of understanding a research problem.
How does triangulation improve validity?
Data triangulation is the use of a variety of data sources, including time, space and persons, in a study. Findings can be corroborated and any weaknesses in the data can be compensated for by the strengths of other data, thereby increasing the validity and reliability of the results.
Why triangulation method is important?
Abstract. Triangulation is a technique to analyze results of the same study using different methods of data collection. It is used for three main purposes: to enhance validity, to create a more in-depth picture of a research problem, and to interrogate different ways of understanding a research problem.
What is triangulation and why is it used in research?
Abstract. Triangulation refers to the use of multiple methods or data sources in qualitative research to develop a comprehensive understanding of phenomena (Patton, 1999). Triangulation also has been viewed as a qualitative research strategy to test validity through the convergence of information from different sources …
What are the advantages of triangulation designs?
The primary advantage of triangulation designs is the ability to find agreement and validation of results through various research methods. If different research methods come to the same conclusion, the researcher can be more confident in the results.
What is triangulation in sociology?
The Advantages and Disadvantages of Triangulation in Sociological Research Social Science Triangulation in sociological research is the use of 3 or more contrasting methods in a study to produce 3 different sets or even types of data. Its purpose is to reduce the weight given to any individual set of results.
What are the different types of triangulation methods?
There are various triangulation methods based on the techniques and people used. Data Triangulation requires use of space, time and people. Investigator triangulation requires multiple researchers in the same study. Theory triangulation requires use of more than one theoretical scheme to interpret the phenomenon.
What are the advantages of stratified sampling?
Using stratified sampling will allow you to obtain more precise (with lower variance) statistical estimates of whatever you are trying to measure. For example, say you want to investigate how income differs based on educational attainment, but you know that this relationship can vary based on race.