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.

Experienced for more than 18 years, I give private lessons in Mathematics - Analysis - Matrices - Statistics - Algebra - Geometry - Physics - Chemistry - Biology, Geology to students of French patent program, secondary and Terminales or international program in English (Grade 8 , 9, 10, 11, 12) or competitions and medical university preparatory classes or 1st and 2nd university years for the academic year 2022/2023 either at home or by internet online by virtual class method. The online method is easily done through a link that serves as a shared interactive writing, typing and projection board more than Skype we talk to. This method is very modernized and reliable and guaranteed. The results of my students and in particular the students of Terminale are superb with successes in mention very good, good and sometimes excellent. I give my students the working technique to get the best grades. Homework help for CNED students. For more information, do not hesitate to contact me, guaranteed response in a few minutes up to 10 hours maximum.

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.

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'm offering individual and personalized classes according to your level , groups also are welcome to join. I will adapt to your needs and objectives :Grammar, conversation, vocabulary and culture. My method will take you step by step to meet your goal! I am dynamic, easy-going and full of energy! All material will be provided to you by email. Lessons are well organized I can suggest a weekly task In addition, I can provide support in proofreading and translation. If you need help, I am here to listen. About me: Highly qualified English teacher, who prefer many methods of interacting with learners, because I think that every student has their own way of learning. I have gained extensive experience from my previous studies in the Master of Language Teaching Methods, my researches also have helped me to have a huge background about language aquisition, plus that I have worked as a tutor and translator in Europe for years. So: Learning new language can open extra doors for your career path. I'm glad to put my experience in your service and answer your questions. Any age or level is welcome also students of school or university. I can lead you to pass international tests such as TOEFL and IELTS. Language of teaching can be English, Arabic, French or Spanish. Classes can be via Skype or zoom etc...

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.

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.

I am a young, passionate teacher with great ease in the areas of mathematics and physics-chemistry. My teaching method is distinguished by my patience and my dedication to the success of my students. I love feeling useful by helping others understand and master sometimes complex concepts. My sense of humor and my youth are also assets that allow me to create a relaxed and pleasant atmosphere during classes. I firmly believe that learning is most effective when students feel comfortable and confident. I am therefore committed to creating a learning environment where my students feel encouraged to ask questions and explore new concepts. My top priority is the success of my students. I am committed to providing personalized support and adapting my teaching methods according to the specific needs of each student. I am patient and persistent, and I am willing to explain concepts as many times as necessary until they are fully understood. Whether you need help solving complex math problems or understanding the fundamentals of physics and chemistry, I'm here to support you throughout your learning journey.

English as a language is not only widely spoken but also, has made itself a prerequisite to the international world. Even if it is academic or just a beginner learning it for the first time, I will be helping you learn and master the English language just as I did until I achieved my dream of attending a university in English. Reading, Listening, Writing, and Speaking are essential fundamentals to truly master a language so we will have a lot of experience during our sessions in all of them depending on the student's needs.

As a teaching professional, I have always enjoyed sharing my knowledge. My goal is to provide quality education. I am aware that some topics may seem complex, but often this is simply the result of an inadequate explanation by the teacher. With me, you will discover a real interest in the material! We strive together to achieve academic excellence, overcoming the shortcomings and difficulties encountered by your child. Studies will become a pleasant experience for him. In addition to the courses, I can also help with school orientation, identifying their preferences and highlighting the advantages and benefits of a fulfilling educational ambition. The sessions generally take place according to the following stages: 1️⃣ The first sessions are devoted to the assessment of the student's level in order to detect existing gaps. 2️⃣ Next, we create a personalized plan to address these gaps, including the number of hours of work needed, specific areas to focus on, and appropriate training and development exercises. 3️⃣ We stay in constant contact with the student's class teacher, to keep up to date with the latest requirements and ensure a consistent approach. 4️⃣ Subsequently, I provide exams similar to those that are likely to be asked in class, to prepare the student effectively. 5️⃣ Upon request, I write a regular report, usually monthly, to keep parents informed of their child's progress throughout their course. I adapt my methodology according to the specific needs of each student, thus offering them a personalized and adapted work approach. In addition, I offer crash courses for students preparing for the start of the school year, allowing them to start the year well prepared, with a solid lead on the school curriculum. If you have any questions, do not hesitate to contact me. I will be happy to help you.

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

Nothing beats one-on-one lessons. I am a qualified, experienced, and certified international tutor with a strong familiarity with the Cambridge IGCSE/A-Levels/O-Levels & IB Diploma curricula. I offer both ONLINE and IN-PERSON lessons in PHYSICS, CHEMISTRY, and BIOLOGY, following the British, American, and Indian curricula. My classes are available at affordable rates and can be conducted in-person or online. I adopt a student-oriented teaching style, striving to provide the best private lessons for my students. With 6 years of professional experience in science (Physics, Chemistry, and biology), I am well-versed in both the British and American curricula and I possess a high level of competency. I have taught students from various countries, including Belgium, Spain, Switzerland, Japan, the USA, the Caribbean, the UK, India, China, Singapore, Malaysia, Turkey, the Netherlands, Luxembourg, Germany, France, Italy, and South Africa. Book a lesson with me, and we can start on any day and time that suits you.

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!

I am a native American English speaking instructor, editor, journalist, and legal/policy expert from Florida specializing in instruction, interview and exam prep, consulting and text correction for a wide range of professionals & students across Belgium including in the legal, academic, policy, and other fields. I am available to meet in both Brussels. My past & present clients have included: professionals and politicians from all four major EU institutions, the Belgian government, the UNHCR, and various NGOs, alongside diplomats, doctors, journalists, and engineers, as well as a variety of other professions in addition to traditional students..I have had over 35+ repeat students on Apprentus (which recently changed their algorithm to only display the last six months). Approaching from a true native's perspective, I instruct and assist with both educational and business English in a multi-faceted nature covering a wide range of areas including comprehension, conversation, grammar, and situational skills, in addition to working on general language skills and accent training. As well, I can provide extensive help and training with the EPSO, IELTS, and TOEFL exams. I have also written, edited or proofread a variety of academic papers, theses, applications, CVs, and other documents for numerous satisfied academic and professional clients. I have spent my entire childhood and adult life in the United States before completing a master's degree in Political Science and European Politics at KU Leuven. Additionally, I also possess Bachelor's degrees in Political Science and History. I have an extensive knowledge and experience of English grammar and literature, as well as current and past working experience in journalism (Anti-Competition Law and European Policy at the Policy and Regulatory Report) and both European and American politics. I have no problem meeting anywhere in Brussels or further afield within the region. I also handle correction of text, editing, proofreading and ghostwriting, with weekly and monthly rates possible. My transportation costs are included.

I am committed to teaching my students while adopting an active teaching method. I put all my experience acquired as a private tutor at the service of their success. My seriousness, my listening and my kindness allow me to overcome difficulties and excel in: - Math, - Chemical Physics, My courses are aimed at students in the French system from 6th to 12th grade (Speciality: Mathematics, PC)