Do I Really Need to Download Dropper Chemistry?

Do I Really Need to Download Dropper Chemistry?Dropper Chemistry is an app created by my friend and mentor, Donna Webb. In it, Donna explains all the ingredients needed for making tea, as well as other household recipes. Not only does it help you save time and money, but it teaches you how to make things you wouldn't normally have thought to do. If you're looking for a great app that will teach you how to cook, you should download this one.This app is available on iPhone and Apple TV. It has a layout similar to most kitchen manuals; however, it goes into more detail. This is because Donna has written it and knows what is best for you, personally. She's also a master chef, so she's done her research. That means that the recipes are great, the steps are step-by-step, and the app works well with the iPhone's built-in menus.There are two sections of the app, and they include: Recipes (her favorites), which contain all the necessary ingredients for making each recipe, including general in gredients, like cinnamon and lemon, and more specific ingredients, like whipped cream and sour cream, and more cooking and ingredients tips. And then there is the Grocery List where you can see a picture of the ingredients for making a specific recipe, or you can choose from the Quick Look section to see all the ingredients in your pantry.Recipes are great because Donna is great at putting together a good list of recipes. She doesn't just throw in a few bits of information to a big recipe; she researches everything to make sure that she's included all the important elements. This helps make your recipes all the more successful. She also takes the time to explain in detail what all the ingredients are, because that helps a lot, too.What makes the app especially good is the fact that it gives you some tips on cooking, in the form of recipes, for your mom's kitchen. I know that sometimes you can get overwhelmed by the daunting task of making something new, especially something as diffi cult as mom's cookies. In dropper chemistry, you get step-by-step instructions, so you don't have to worry about any lost or forgotten steps.You'll be able to make the very best cookie recipes, and mom's cookies. All you have to do is click on the recipes and choose the ones you want. This makes your life easier, because you don't have to find an ingredient or two yourself. You can do it right from the app, and because you've chosen a recipe from Donna's Kitchen, you know that it's perfect.Finally, dropper chemistry is a great app for you and me, because Donna wrote it herself. She put it together by herself, from scratch, using her skills as a cook. Her mother and sister encouraged her to do so, because they love making recipes themselves, and for us, it will also be a lot of fun.

Plasma Membrane

Plasma Membrane Plasma Membrane: Plasma membrane is a dynamic, fluid structure and forms the external boundary of cells. It acts as a selectively permeable membrane and regulates the molecular traffic across the boundary. The plasma membrane exhibits selective permeability; that is, it allows some solutes to cross it more easily than others. Different models were proposed to explain the structure and composition of plasma membrane. In 1972, Jonathan Singer and Garth Nicolson proposed fluid mosaic model, which is now the most accepted model. In this model, membranes are viewed as quasi-fluid structures in which proteins are inserted into lipid bilayers. Glycolipids: Glycolipids contain carbohydrate covalently attached to the lipid. These can derive from either glycerol or sphingosine. The simplest glycolipid, called a cerebroside, contains a single sugar residue, either glucose or galactose. Fluidity of a lipid bilayer: The fluidity of the lipid bilayer, the optimal value of which is a prerequisite for normal cell growth and function, depends on lipid composition and temperature. In general, an increase in the temperature tends to elevate membrane fluidity. Lowering of temperature causes a freely-flowing, low viscous, fluid like membrane structure to a more rigid, gel like organization. Membrane proteins: Many of the proteins associated with membrane can be released from the membrane by relatively gentle extraction procedures, such as exposures to solutions of very high or low ionic strength. These procedures interfere with weak non covalent interactions between protein-protein or protein-membrane lipid, but leave the lipid bilayer intact; these proteins are called peripheral protein (or extrinsic proteins). Proteins that are held in the lipid bilayer very tightly and cannot be released by relatively gentle extraction procedures are called integral proteins (intrinsic proteins). Integral proteins are mostly transmembrane proteins. Transmembrane proteins may be single pass or multipass. Glycophorin is a major single pass transmembrane protein of RBC. Transport proteins Membrane proteins can also be classified on the basis of functions like catalytic proteins, structural proteins, and transport proteins. Transport proteins are responsible for selective transport of molecules, may be carrier or channel proteins. Carrier proteins can be uniporters or co-transporters. Carrier mediated transport may be active or passive. Channel proteins transport solutes down their concentration gradients. It is always passive and transport through channel proteins occurs at a much faster rate. img alt=Prokaryotic plasma membrane data-cke-saved-src=https://images.tutorpace.com/biology/plasma_membrane_5.jpg src=https://images.tutorpace.com/biology/plasma_membrane_5.jpg 614px;= height:= 297px;= Prokaryotic plasma membrane The bacterial plasma membrane is a unit membrane bound composed primarily of proteins and phospholipid. Its structural and chemical features are similar to eukaryotic plasma membrane. One major difference in chemical composition is that eukaryotes have sterols in their membranes. Sterols are absent in plasma membranes of all prokaryotes except for mycoplasma. Functions of Plasma membrane It is selectively permeable, that is, it regulates the entry of certain selective solutes. It separates the cytoplasm and cell organelles from the extra cellular matrix. It aids the attachment of cytoskeleton and cell wall for different organisms. It participates in the process of cellular transport as it possesses extrinsic and intrinsic proteins. Since the membrane is composed of proteins and lipids, the flexibility of membrane is maintained by lipids while proteins regulate the chemical environment of cell. They help in the transport of various import ions or molecules. It acts as a physical barrier.

How Students Can Become National Bloggers

How Students Can Become National Bloggers How cool would it be if you could start your college application essay with: Im a nationally published writer? That is possible, and it would definitely wake up whoever is reading your application essay. The Huffington Post and the Patch (a network of over 800 hyper-local news sites), both owned by AOL, are currently recruiting bloggers (age minimum is 13). Right now, you can easily become a blogger and actually publish articles on the Patchs website, which is read primarily by local audiences. The content provider has about 800 full-time writers, and it has asked all of them to recruit at least 10 writers each for a total of 8,000 writers. In other words, they are begging for people to sign up and post articles. You can sign up at Patch's website. Simply pick the area you want to post in and click the green button want to blog on the patch. Then, register and hope they select you as a blogger. The Patch publishes local reviews about restaurants, shopping centers etc and the occasional opinion piece. However, the Patch and the Huffington Post are getting ready to launch a national blog, HuffPost High School. This blog will be unique because it will be the only site on Patch that is written and edited by high school students, according to Forbes. On occasion, weve partnered with parents and schools to provide young journalists with the opportunity to have their voices and stories heard, a Patch spokeswoman told Forbes. As HPMG (Huffington Post Media Group) will soon be launching HuffPost High School, well be expanding our sharing platform to teens. The blogs editor will be Myles Miller, a 17-year-old student. Miller will be paid; however, none of the other bloggers will be paid. That announcement sparked serious outrage and lawsuits against the publisher. The Patch and the Huffington Post have already received a lot of criticism for recruiting and not paying community bloggers. Critics believe they have exploited writers, and that the publisher has now gone too far by recruiting minors. The site will continue to profit on advertising revenue, which has elicited a response from Simon Dumenco at Advertising Age, encouraging advertisers to boycott buying space on the page. However, this could be a springboard for many aspiring young writers. Through Patch, High school students could have the opportunity to publish articles to a national audience. Students could then write a college application essay about how many readers they have attracted, which could impress admissions officers.

A Columbia University College Experience

A Columbia University College Experience The tutors behind Varsity Tutors are not just here to teach theyre sharing their college experiences as well. Amy is currently a student at Columbia University studying human rights, English, and business management. She specializes in many areas of SAT tutoring, in addition to other subjects. See what she had to share about her experience at Columbia University: Describe the campus setting and transportation options. Amy: Columbia blends the best of both worlds with its urban setting and homey campus. Though exploring skyscraper-filled New York City is always fun, it can be a relief to come home to a school dominated by a blend of classical and modern architecture. As for transportation, Columbia has its own subway stop right outside the Broadway gates for students the city isnt very car or bike friendly, unfortunately. Ive never felt unsafe on or in the areas surrounding campus, either; police escorts and emergency services are always readily available. How available are the professors, academic advisers, and teaching assistants? Amy: Columbia prides itself on a culture of the love of intellectual pursuit, and its professors, academic advisers, and teaching assistants certainly contribute toward that mold. Both students and professors embrace challenge and curiosity in the classrooms; office hours for professors are packed with students discussing everything from general theories to paper topics. How would you describe the dorm life rooms, dining options, location, socialization opportunities with other students? Amy: Interestingly, students receive lots of opportunities to score single rooms their freshman year. Certain dorms are more coveted than others, but freshmen seem to be generally satisfied (and even proud) of their residence halls. Im in the social, all-first-year dorm, and I couldnt imagine myself living anywhere else. Theres never a dull moment, and I have opportunities to meet new people every day in the elevator, at residence hall events, and through mutual friends. As for dining, Columbia has three main dining halls that offer a wide variety of selections. The dining staff always tries to provide vegetarian and vegan options, too, and locally sources a lot of produce from nearby neighborhood farms. Which majors/programs are best represented and supported? Amy: A wide variety of majors are represented at Columbia, but the university does a good job of providing support for every department regardless of its size. Popular majors include the social sciences, computer science, and various engineering fields, but interdisciplinary pursuits are encouraged as well. Im actually studying a strange combination: Im double majoring in Human Rights (with a specialization in Political Science) and English, and concentrating (essentially the universitys term for a minor) in Business Management. I really appreciate Columbias flexibility in allowing me to combine such different pursuits into one streamlined form of study, and Ive definitely received lots of support from academic advisers and professors, too. How easy or difficult was it for you to meet people and make friends as a freshman? Does Greek life play a significant role in the campus social life? Amy: Ive been very satisfied with the opportunities Ive received to meet new people and make new friends. The unique thing about Columbia is that its less of an enclosed campus, meaning people will go out into the city to explore rather than staying in, so meeting people requires a bit more energy and proactivity. Greek life definitely is present on campus and is growing, but is in no way an integral part of Columbias social scene. It can be a great way to find a community, but probably just due to geographical factors concerning housing, Columbias Greek scene isnt as traditional as one one might find at a big state school. How helpful is the Career Centerand other student support services? Amy: The Center for Career Education is great and is available for students as a resource to find internships and jobs downtown. Columbia recognizes the worth of internships in a students career, and offers significantly less classes on Fridays to give students a day to work at a job/internship if need be. The university also hosts lots of career fairs, in which companies from high-level investment banks to local startups to nonprofits come to campus to recruit Columbia/Barnard students for part-time/full-time job opportunities. New York City is one of a Columbia students greatest resources for job searching, simply because it offers something for everyone from the engineer to the journalist to the aspiring researcher. How are the various study areas such aslibraries, the student union, and dorm lounges? Amy: Butler Library is a huge, beautiful structure that resembles an Athenian temple more than it does a study space. Its the go-to for most students for late-night sessions, open 24-7 for all cramming needs. During midterms and finals, it gets pretty difficult to find a spot inside the library, so students turn to other study spots around and outside campus. Describe the surrounding town. Amy: Youll never get bored at Columbia: on campus or off campus, theres always something going on. Even exploring the couple of blocks surrounding campus never gets old! Theres everything from restaurants to bookstores within Columbias vicinity, and most students will spend a Friday or Saturday night hanging out with friends at Mels or 1020, two popular bars within walking distance. Of course, New York City has a bustling nightlife scene downtown. Students can visit a club in East Village or check out a jazz venue near Chelsea Pier. Columbia students also get free admission to museums like The Met or MOMA with their student IDs, so a lot of students spend Saturday afternoons art-gallery hopping. Central Park is also about six blocks from campus, so when the weather is nice, students can study, relax, or even picnic in the park. The campus is also bordered by Morningside Park and Riverside Park, great for morning runs or just a change of scenery. How big or small is the student body? Were you generally pleased or displeased with the typical class sizes? Amy: Columbia definitely has a larger number of graduate students, but each undergraduate class has about 1400 students, which is pretty sizable, too. Some lecture classes have a large amount of students, but Columbia actually offers lots of seminars that have no more than 15 or 16 people. Personalized educational attention carries a lot of intellectual value, and many professors and students prefer the personalized, seminar-style approach to large lecture halls. Describe one memorable experience with a professor and/or class. Perhaps one you loved the most or one youregretthe most. Amy: Columbias most prized intellectual tradition is its Core Curriculum, a set of classes every student attending the university takes. This semester, Im in Literature Humanities, dedicated to round-table discussions of a Western literary canon that includes works from ancient Greek poets to Dostoyevsky. Its a lot of reading and writing, but my entire class gets together regularly before midterms and tests to have study sessions in somebodys dorm room. Columbia recognizes the bonds students who go through the Core together form, and Im no exception Ive definitely made friendships and connections as a result of the Core. Check out Amys tutoring profile. The views expressed in this article do not necessarily represent the views of Varsity Tutors.

Maths GCSE Past Papers and Exam Boards

Maths GCSE Past Papers and Exam Boards Where to find GCSE Maths Past Papers Exam Boards Offering Maths GCSE ChaptersDifference Between Exam BoardsHow to Choose the Right Exam boardGCSE Maths ResourcesGCSE Maths Past PapersExams boards are organizations that conduct the GCSE maths Exams and offer the GCSE Qualification in several subjects. They are responsible for producing exam papers, marking and grading your exam work and giving you the GCSE Qualification.Most of the exam boards offer qualifications which are accepted by several colleges not just in UK but all around the globe. These GCSE Qualifications are hence, internationally recognized.Currently there are two separate set of exam boards for UK. One set of exam board is solely for England, Northern Ireland and Wales, while the other one is for Scotland. England has several exams boards, giving the schools and colleges a free choice to choose between any exam board depending on the subjects.At the present, the state schools benefit from seven exam boards. These are as follows:Assessment and Qualification Alliance (AQA)University of Ca mbridge International Examinations (CIE)Council for the Curriculum, Examinations and Assessment (CCEA)EdexcelInternational Curriculum and Assessment Agency Examinations (ICAAE)Oxford, Cambridge and RSA Examinations (OCR)Welsh Joint Education Committee (WJEC)Out of all these boards, CCEA is the one that is most active inside the native Northern Ireland. The level of qualifications offered by these boards vary.Boards ICAAE and CIE offer very specialized and limited qualifications so if you are thinking of taking GCSE Maths, it is better if you opt for boards other than ICAAE, as these boards are most common among students taking GCSE Maths .Whatever board you choose, the material you study is usually the same. ( Image Source: Unsplash) MyriamMaths Teacher 5.00 (13) £20/h1st lesson free!Discover all our tutors MarkMaths Teacher 5.00 (5) £200/h1st lesson free!Discover all our tutors Dr parikhMaths Teacher 5.00 (8) £40/h1st lesson free!Discover all our tutors KamalMaths Teacher 5. 00 (9) £30/h1st lesson free!Discover all our tutors PetarMaths Teacher 5.00 (8) £40/h1st lesson free!Discover all our tutors GowsikaMaths Teacher 5.00 (5) £15/h1st lesson free!Discover all our tutors RubenMaths Teacher 5.00 (1) £15/h1st lesson free!Discover all our tutors ConorMaths Teacher 4.75 (4) £30/h1st lesson free!Discover all our tutorsDifference Between Exam BoardsA survey by the BBC in 2015 revealed that three out of the four main exam boards in UK had made their GCSE Maths exams too hard for the large number of candidates.The only remaining board i.e AQA was also instructed to produce more challenging GCSE Maths exams to keep up with the standards of the rest of the three boards.The government demanded the boards to make the GCSE Maths as well as GCSE English exams more rigorous and  challenging for students.A thorough analysis of several boards revealed that the GCSE Maths tests and GCSE Maths coursework offered by OCR, WJEC and Pearson fail to test the students at their utmost ability due to their higher difficulty level.To be more specific, Pearson and WJEC Maths exams were so hard that the boundary for grade A had to be set below 50%.Research revealed that the difficulty level of these exams would hinder even the brightest students from the top schools to obtain a good score.As a result of which, the syllabus of these boards was made lenient in order to suit the skills level of students and reforms were introduced in the GCSE Maths content and syllabus which has now ensure that all the boards have nearly the same difficulty level while allowing the student to achieve the grade they deserve.How to Choose the Right Exam boardEvery student wants to have maximum chance of success in their GCSE maths and one way they can maximize their chances of a good grade is by choosing the exam board with which they feel the most comfortable.The specifications, paper pattern and marking criteria varies from one exam board to another. Cost of the exams is also a fact which you might need to take into consideration.How you find the paper of any exam board, depends solely on you, your preparation, skill level and your ability to deal with the hard parts of exam.In order to decide which exam board to choose, try getting your hands on sample papers of all the exams boards you are considering. Spend some time analyzing those sample papers and solve them too if needed.By solving the sample papers of different boards like OCR, Edexcel, you will get an idea of the question patterns, difficulty level, marking criteria and time duration of each exam. Find out which exam pattern suits you the most and go for that particular exam board.The course content of GCSE Maths of all the Exam boards usually revolves around the basic concepts of Algebra, tricky yet simple questions related to addition and subtraction, fractions, arithmetic expressions, multiplication and division, exponent, integers, decimal numbers, rational numbers, whole numbers, squa re roots, along with some advanced topics like long division,  linear equations, probability, quadratic equations, theorem of geometry related to shapes like triangles and polygons, surface area, differential equations, quotient equations, polynomials, number theory, reasoning questions and word problems to test your problem solving skills.Equip yourself with all these concepts and maximize your practice because at the end, it will be your preparation that will determine your fate in GCSE Maths and not the choice of board. You can choose the easiest board out there but if your preparation is bad or incomplete, chances of you getting a good grade is very low.GCSE Maths ResourcesThe internet is full of resources to help you in GCSE Math preparation. Here are some sources compiled for you to benefit from!GCSE Maths Worksheets:GCSE Maths worksheets (Geometry)GCSE Foundation Maths Revision WorksheetsGCSE Maths revision WorksheetsGCSE Math Revision resourcesEnroll yourself in a GCSE Math s program and take math classes designed around the GCSE Maths coursework. Ask your maths tutor to give you maths homework and complete these maths home assignments to test your mathematical concepts.You can get home tutoring too. GCSE Math education is not hard to get in this age of internet. Opt for online GCSE Maths courses. Find interactive maths on the internet such as multiplication games, addition games and other similar online math games.Practicing online with the help of mathematical courses, free math worksheets and online maths tutor  and games will train you for the test, but prioritise studying from your GCSE Maths textbook and find past maths GCSE exams of your board. There is also a wealth of maths tutors available online or face to face for that extra bit of help.Work hard ,practice harder. ( Image Source: Unsplash)GCSE Maths Past PapersSolving GCSE Maths past papers is a genius way to undertake maths revision train yourself for the exam. This will help you get famil iar with the paper pattern and marking criteria and will save you time during the actual exam. You can find past papers of your particular board on their website or you can buy a book containing past papers of all the previous years.There are a lot of digital media such as CDs, DVDs that come loaded with past papers for  GCSE maths revision along with the mark schemes. You might need to invest some money in these or you can simply find them online for free.Once you get your study material ready, start your maths revision and once you are done with a particular topic, try finding its related questions in the past papers. Try solving them and if you fail to get their correct answer, go through that topic again and repeat this until you are correctly able to solve all the related questions in the past papers.Solving past papers in this way, will help you not only save time but also to catch your weakness in time.Once you are done with all your preparation, you can conduct your own mock GCSE Maths test session with the help of these past papers and see where you are lacking. Do not assume that the questions in the past exams will repeat.This does not happen. If you prepare only according to the content in the past exams, you are setting yourself up for a really bad grade.Past Papers are the best revision tool as they allow you to cover your entire course in less than 3 hours. Mark your answers yourself according to the marking criteria and this way you will be learning a lot from your own mistakes. This method will guarantee that you don’t make the same mistakes in the final GCSE Maths test.The math questions found in the past papers are in coherence with the overall pattern of the exam board. These exams are designed to test your maths skills and the common core math concepts which you had studied in kindergarten, elementary math and high school maths.Maths teachers who design GCSE Maths exam  base the math curriculum of GCSE around the basic topics amalgamated with the more advanced maths topics of college level. These tests are structured to test your logical and analytical reasoning skills, your fluency in common math practices as well as your problem solving skills .All the GCSE Maths boards focus on your maths skills and how you utilize your math lessons and apply your math learning to solve the tricky mathematics questions in the exams. These tests follow state standards and are carefully evaluated for the students to ensure they get the grades according to their preparation.So, work hard, stay confident and make the best out of the maths resources you have, and no one can take away the success which you deserve!

Isosceles Trapezoid

Isosceles Trapezoid Isosceles trapezoid is a trapezoid has its two non parallel sides of equal length. In addition to it, the base angle that the leftnon parallel side makes with the base is equal to the base angle that the right non parallel side makes with the base. In the isosceles trapezoid shown above lengths of non parallel side AD and BC are equal to c. Also the base angle A is equalto base angle B. Example 1: Given a trapezoid PQRS with the measure of the sides as given below: PQ = 5 cm, QR = 3 cm, RS = 2 cm, SP = 3 cm Sides PQ and RS are parallel sides. Is the given trapezoid an isosceles trapezoid? Give reasons for your answer. Solution: Since the sides PQ and RS are parallel sides of the trapezoid. So the two non parallel sides are QR and SP. Thelength of the two non parallel sides is given to be equal to 3 cm. This shows that the given trapezoid is an isoscelestrapezoid. Example 2: The angle measures of the trapezoid DEFG are given below: angle D = 62 degree, angle E = 68 degree, angle F = 110 degree, angle G = 120 degreeIf angles D and E are the anglesbetween the lower base and the two non parallel sides, is the trapezoid isosceles or not? Solution: Since the two base angles D and E are not equal in measure, hence the given trapezoid DEFG is not isosceles trapezoid.

Overview of an Online Trigonometry Tutor

Overview of an Online Trigonometry Tutor 0SHARESShare Is trigonometry proving difficult to deal for you? Is looking at graphs of Sin, Cos and Tan feels like staring at death? In such cases, a personalized online trigonometry tutors can help you with everything, from the basics to complex numbers. The best thing about online tutors is that they are available at any time you want. There are many websites on the internet that provide specialized one-on-one trigonometry tuition over Skype and other video conferencing programmes. List of Trigonometry Topics Tutors on these websites are well-trained in their respective subjects. Furthermore, they have lots of experience teaching math online. You can see their profile, and choose anyone of them depending on your sill-level. These tutors can help you with any trigonometry question and concept from high school to college undergraduate level. Some of the topics taught by online tutors include: Basic Trigonometry functions Meaning of Sine, cosine, tangent General Trigonometric identities Pythagorean Theorem and Applications complex numbers Inversion of Trigonometric Functions Interpolation of Graph Personalized Specialized Trigonometry Tutoring These online tuition websites work on personalized instruction method. The procedure of hiring a tutor from these websites is as follows: Create an account on any online tutoring website. Scroll through the list of tutors available. Choose one of them, keeping your schedule and budget in mind. Talk with your chosen tutor and derive a study plan. Benefit of Online Tutoring for Trigonometry Online instructors assist students in understanding trigonometry theories thoroughly and thus get better marks. Around 80 per cent of those who take online tuition are able to complete their schoolwork on time and improve their grades. These websites work 24/7, therefore you can choose any schedule you want. Rates for online tutors are very low, and transactions on these websites are very secure. [starbox id=admin]