Math, English, Biology IGCSE subjects exam preparation and assignment help

Nucleic acids are essential biomolecules that store and transmit genetic information. They play a crucial role in all living organisms' growth, development, and functioning. The two nucleic acid types are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), and they both have nucleotides as their building blocks. What Are Nucleic Acids? Nucleic acids are complex, naturally occurring biomolecules that hold an organism's genetic information. They transmit hereditary traits from parents to offspring. Living organisms also need nucleic acids to direct their growth and development. Nucleic acids enable protein synthesis, which is responsible for overall cell structure and function and entails cells creating protein from amino acids. What Are the Building Blocks of Nucleic Acids? They consist of numerous nucleotides chained together. Each nucleotide contains: A sugar molecule: In DNA, this is deoxyribose, while in RNA, it's ribose. A phosphate group: A phosphorus atom bonded to four oxygen atoms. One of four organic bases: Adenine (A), Thymine (T) in DNA or Uracil (U) in RNA, Guanine (G), and Cytosine (C). All these bases are nitrogenous. The sequence of these four nitrogenous bases, along with the sugar and phosphate, forms a nucleic acid chain. The chain contains the instructions for an organism's survival and functioning. What Are Nucleic Acids Responsible For? Nucleic acids are crucial for all living organisms as they carry the genetic code necessary for life. Doctors and scientists use nucleic acids to study, diagnose, and treat various genetic disorders. For example, DNA testing can identify inherited diseases or determine paternity. Nucleic acids also play a significant role in protein synthesis. As mentioned earlier, proteins are essential for cell structure and function. They control nearly all cellular processes, including metabolism, respiration, growth, and immune responses. Without the instructions provided by nucleic acids, proteins would not be produced, and life as we know it would not exist. Additionally, nucleic acids have a critical role in cell signaling. They regulate gene expression, which involves turning genes on and off to control cellular functions. It allows cells to respond to their environment and maintain homeostasis. What's the Importance of Nucleotide Sequence? Did you know that the pattern and sequence that nucleotides follow when forming a nucleic acid affects its function? Each combination of the four nitrogenous bases (A, T/U, G, and C) creates a unique genetic code that determines the production of specific proteins. Even small changes in the sequence can significantly affect an organism's traits or health. For example, a single mutation in the DNA sequence can lead to genetic disorders such as cystic fibrosis or sickle cell anemia. Moreover, studying the nucleotide sequence of different organisms allows scientists to understand their evolutionary relationships and track changes over time. Nucleic acids are also essential in biotechnology. Scientists can manipulate and insert specific sequences of nucleotides into organisms to produce desired proteins or alter their genetic makeup. For example, Advanced ChemTech specializes in peptide production. We're behind a treasure trove of novel essentials like shielded amino acids, coupling reagents, fancy linkers, and resins. Our stash also includes rare amino acids and top-notch building blocks! The principles of nucleotide sequencing inform many of our products, allowing us to create custom peptides for any commercial application. Our team of experts can synthesize, purify, and analyze peptide sequences with precision and efficiency. Additionally, nucleic acids are useful in genetic engineering and gene therapy. It's possible to manipulate their nucleotide sequences and transfer specific genes. Gene transfers help to treat genetic disorders or produce desirable proteins. What Are the Two Types of Nucleic Acids? As already mentioned, DNA and RNA are the two types of nucleic acid. These two molecules differ in structure and function, but they share a common purpose: to store and transmit genetic information. DNA (deoxyribonucleic acid) is typically a double-stranded molecule that stores hereditary information in all living organisms. It contains four nitrogenous bases; Adenine (A). Guanine (G). Cytosine (C). Thymine(T). You can have one of the four organic bases pairing up and forming the rungs of the DNA ladder. The sequence of these bases determines an organism's genetic traits. RNA (ribonucleic acid), on the other hand, is a nucleic acid monomer. It's generally single-stranded and consists of three main types Messenger RNA (mRNA) carries genetic information from DNA to ribosomes for protein synthesis. Ribosomal RNA (rRNA) forms part of the ribosome structure and helps translate mRNA into proteins. Transfer RNA (tRNA): During protein synthesis, these nucleic acids use their anticodon sequence to match the codon sequence on mRNA and transfer amino acids to the ribosome. These three RNA types work together to read and translate the genetic code stored in DNA into proteins, a process crucial for an organism's survival and development. DNA vs. RNA While both are composed of nucleotides, DNA entails a double helix structure and two complementary strands, but RNA is a single-stranded monomer. Another notable difference is the type of sugar present in each molecule. DNA contains deoxyribose sugar, while RNA contains ribose sugar. This slight difference in sugars also affects the stability and longevity of the two types of nucleic acids. DNA is known for its exceptional stability, which makes it suitable for storing genetic information. On the other hand, RNA is less stable and more prone to mutations, making it better suited for carrying out short-term functions in protein synthesis. Gene Expression Gene expression entails copying or transcribing the genetic information in DNA into RNA. It enables organisms to produce essential proteins for growth and development. Genetic engineering involves manipulating an organism's DNA to express specific traits. Scientists use techniques like gene transfer to introduce foreign genes into an organism's genome and alter its genetic makeup. Final Thoughts on the Structure and Function of Nucleic Acids In summary, nucleic acids are essential to all living organisms and are responsible for storing and transmitting genetic information. Composed of nucleotides, DNA and RNA have distinct structures and functions in the cell. DNA serves as the blueprint for making proteins, while RNA plays an active role in protein synthesis. With advances in genetic engineering, our understanding of these molecules and their functions continues to grow. Studying nucleic acid molecules can help us gain insights into genetic disorders and develop potential treatments. That's why you need to know the difference between nucleic acids and amino acids.

The courses of Mathematics - Analysis - Matrices - Statistics - Algebra - Geometry - Physics - Mechanics - Electricity - Chemistry - Organic Chemistry - Biology, Geology of the French or European French or English programs (Secondary or university levels) are given by explanations either in depth or by a rapid course and summary of essential need according to the case of each student supported by exercises from the book or by evaluations and exams from other high schools. My experience is too long and for years, I have learned methods for each case and for each student to fill their gaps with the best results of Excellent, Very Good, and Good as mentioned by my students. I can also help students to better prepare for courses and support them to better prepare for the duties of CNED in science subjects.

This English conversation and grammar course is designed for adults and teenagers. My main goal is to help you progress in this language at your own pace. Whether it is to acquire the basics of English, improve your language skills with a view to traveling, moving to an English-speaking country, or for your professional development, I adapt to your specific needs and objectives. I am bilingual in English and French, with Irish-American heritage, and have dedicated the last twenty years to providing academic support, whether for children aged 4 and up or seniors over 85 years ! It's never too late to improve your language skills. As an experienced entrepreneur for many years, I also have training in education and socio-cultural activities. My educational approach is based on adaptability and personalization, in order to offer you an optimal learning experience. Please feel free to contact me to discuss your language needs and specific goals. I look forward to helping you achieve your English aspirations!

I am a qualified and experienced mathematics tutor. Graduated from the Free University of Brussels in 2011, I started my career by teaching remedial courses in different schools in Brussels. I then specialized in individual academic support by following educational training at the Harvard Graduate School of Education. I have been giving private mathematics lessons daily for over ten years. The students who follow my private lessons benefit from personalized support. The first session is devoted to an in-depth assessment of the student's mathematical knowledge. The objective is to detect its weak points and understand their origin in order to adapt my courses to its needs. I develop a tailor-made remediation program for each of my students aimed at filling each of their gaps. Over the course of the sessions, the student builds a solid foundation for learning and regains self-confidence. At the same time, I help him acquire a work methodology that allows him to gradually become autonomous in his studies. I have a perfect knowledge of the mathematics program of the College and the High School (from the Sixth to the Terminale). During my formative years, I studied and developed many techniques that make it easier to learn math. The strength of my pedagogical approach lies in my ability to explain in a simple way everything that the student finds complicated. I am passionate about this job because it gives me the opportunity to guide dropout students on the path to success. It is a real pleasure to see them evolve and come to terms with the fantastic world of mathematics. I provide my private lessons in Limoges (at the student's home) or remotely (online via the internet). My distance learning courses take place on an interactive online whiteboard. This board is specially designed to promote student/teacher interaction on the internet. Thanks to this educational tool, my online courses are as effective as home courses. The student only needs an internet connection and a computer, tablet, or smartphone to take advantage of it.

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This course aims to provide you with the knowledge and tools needed to better understand and master mathematics and physics. We offer personalized support to students of all specialties. Sessions can be tailored to your specific needs, whether you are alone or in a group. We adjust the sessions according to your level and expectations. Please do not hesitate to contact us if you have any questions.

Hi! Welcome! I am a Master's student at the University of Groningen in the Netherlands. I offer private tutoring (for high school and/or university-level students) so you can understand the fundamental concept and excel in your studies. I have teaching experience of 4+ years in Physics and Mathematics to both high school and university-level students. This class aims to provide an overview of calculus and linear algebra and focuses on the fundamental mathematical tools and concepts such as limits, differentiation, and integration. Building on these basic concepts, we will review methods for solving problems related to optimization, linear differential equations, and matrix algebra. Outline of the course: 1. Calculus: 1.1 Limits of functions 1.2 Continuity, types of discontinuities, intermediate value theorem 1.3 Differentiation (or derivative), slope, secant, tangent 1.4 Rules and theorems for differentiation, power rule, product rule, chain rule 1.5 Derivatives of exp, log, and trigonometric functions 1.6 Implicit differentiation and derivative of inverse functions 1.7 Rolle's theorem, mean value theorem, critical point, maximum/minimum of a function 1.8 First and second derivative tests, inflection points 1.9 Anti-derivative, indefinite integral, integration by substitution, integration by parts 1.10 Definite integral and its application (area between curves, application in physics)\ 1.11 Optimization and linear differential equations 2. Linear Algebra: 2.1 Vectors and scalars in Euclidean space, vector arithmetic, scalar product, cross product 2.2 Equations for lines and planes, vector spaces, linear independence, span, basis, dimension 2.3 Linear transformations, coordinates, and representation of linear transformations by matrices 2.4 Matrix operations: matrix multiplication, transpose, determinant, inverse, and Hermitian conjugate 2.5 Systems of linear equations, Gaussian elimination 2.6 Eigenvalues and eigenvectors 2.7 Range, kernel, and rank-nullity theorem and many more... *Note that the sessions will be held online (via Skype/Zoom/Microsoft Teams).

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I am Mavi, a physics engineer working at an aerospace company. I have been teaching private lessons at the primary, secondary, high school, and university preparatory levels for 9 years. I teach mathematics, physics, chemistry, and science. I have a good command of the curricula of IB, IGCSE, American, Hong Kong, and international schools. Additionally, I hold the position of president at the Astronomy Society, where I foster my students' interest in astronomy and science beyond the lessons. I prepare the learning environment by incorporating experiments and exploration, moving away from rote education. I often bring experimental materials to class, aiming to make learning memorable through hands-on experiments. As an educational mentor, I approach my students as if they were my siblings, valuing creativity. I have a deep passion for mathematics, physics, and science. I am dedicated to helping students understand and learn because life encompasses both SCIENCE and ART. The more people I can inspire to know, understand, and love mathematics, physics, and chemistry, the more proud I am. Are you curious about how nature works? Let's explore together!

My name is Younes and I give language lessons, for me teaching means learning twice so my learning method is based on simplicity and above all you have to move forward according to the student's rhythm to allow him to learn. improve and acquire new bases and be able to assimilate new information without ever becoming saturated. Sometimes it's better to go slowly but surely. In addition, I am a young researcher in applied biochemistry and a temporary teacher at the university for 4 years, so for those who have difficulties and gaps in biochemistry, I will be there to simplify you and above all to make you discover the world. wonder of biochemistry and thank you for stopping by.

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I have 10 years of experience as an English tutor. I am certified and have worked with students of all ages and levels. -Are you traveling as a tourist or to live in another country? - Do you work with technical English such as IT, Medicine, Kinesiology, Health, Accounting, scientific areas, Marketing and Business? - Do you have daily meetings? - Do you participate in conferences? - Do you need to prepare your CV and interviews? - Do you need to prepare for international exams, such as IELTS, FCE and CAE? -Do you write scientific articles in journals? -Are you going to apply for a student VISA in an English-speaking country? -Are you going to study at a foreign university? I can help you create a plan and work on your weaknesses and goals! 1:1 lessons or small groups (ask about rates) Materials provided Continuous feedback Dynamic and fun Your Bridge to Spanish Communication and Understanding Locals in Spanish-speaking countries! I just love seeing my students being able to communicate their ideas in my language Start YOUR journey with me :)

My unique background, with experience in corporate world as well as in academia, enables me to provide my students with a high quality learning experience. Being a chartered accountant by profession with 11 years of work experience in corporate finance at an MNC in India coupled with experience of teaching Business English at University of Rennes 1, France to over 200 students for a total of over 400 hours in-classroom, I am aptly positioned to help you improve your command of Business English. My experience of teaching general English at a middle school and a high school in France, to over 250 students for a total of over 280 hours, enables me teach both children and adults. I start with understanding your needs and current level and tailoring the course to suit your requirements. Who are the classes made for? * Intermediate and advanced level students * Students who want to to build up a stronger confidence and need help in their homework, assignments or preparing for tests, such as IELTS. * Professionals, anyone from Canada and all around the world Structure of the class: Course includes various activities and exercises to help achieve your goals. At the end of the class, depending on your availability, I may assign homework for 30 min to an hour. My teaching methods / philosophy - I ensure a nice and friendly exchange to foster confidence in my student. I observe keenly to provide useful feedback.

I teach German courses on the largest online sites and other platforms for all Goethe levels from A.1 to C.1 as well as special courses for beginners and advanced students as well as senior high school students in Egypt in the largest institutes as I am an expert in the German language in state secondary schools and a certified teacher in the largest platforms: I have a Master's degree in German Literature from the University of Vienna, Austria I also speak Arabic, my native language I am also fluent in English

As a first grade mathematics teacher who graduated from the teachers' college and taught for 13 years in public high schools, I offer mathematics tutoring courses at home for: College or high school students of levels T and Common Core Sciences, TC Technological, 1st Bac Experimental Sciences and terminal of all sectors (SVT-PC-SC.Math-L) The 2nd and 1st general classes Terminale specialty of the French system The 5th, 4th and 3rd levels of the college My goal is to help students to: Improve their level Deepen their knowledge Assimilate their courses fill in their gaps improve I am also able to support them in the preparation of their exams and entrance exams to the Grandes Ecoles, as well as providing them with homework help. I am convinced that I have the qualities required to allow my students to progress and perhaps even give them a taste for this subject!"