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What is DNA & how does it work?
What is the difference between DNA and genome?
Why is DNA a molecule called a nucleic acid?
What is deoxyribonucleic acid?
Feb 26, 2019 · DNA, or deoxyribonucleic acid, is a molecule found inside every cell in almost every living thing. It helps cells make proteins, which they need to survive, and it facilitates...
- 3 min
DNA is the long molecule that contains your unique genetic code. A bit like a recipe book, it holds the instructions your cells need to make all the proteins in your body. Your genome is the complete set of instructions your body needs to function. It’s made of a long molecule called deoxyribonucleic acid, or DNA for short.
Nov 12, 2014 · DNA stands for deoxyribonucleic acid. DNA exists inside your body's cells and is made up of four chemicals: adenine, thymine, cytosine, and guanine. Scientists usually shorten these to simply A, T, C, and G. These chemicals that make up DNA are strung together in long, coiled strands within your cells.
Oct 21, 2022 · Deoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All living things have DNA within their cells. Stanislaw Pytel/Getty Images.
DNA, or deoxyribonucleic acid, is the molecular basis for inheritance, discovered in the mid-1800s and understood in 1953 with the double helix structure. Composed of a sugar-phosphate backbone and base pairs (adenine-thymine, guanine-cytosine), DNA stores genetic information, replicates, and expresses traits.
- 13 min
- Sal Khan
- The diameter of DNA is always 2 nm; the distance between two curls in 3.4 nm and the distance between base pairs in 0.34 nanometers. The length var...
- All organisms have the same composition of nitrogenous bases. The nitrogenous bases are typically classified into two groups, pyrimidine and purine...
- I'd recommend watching this https://www.khanacademy.org/test-prep/mcat/biomolecules/genetic-mutations/v/mutagens-and-carcinogens. They should only...
- Genes do not only determine proteins but also functional RNA molecules. Not all transcribed RNA is mRNA. There are different types of RNA which are...
- To have a structural piece of DNA or RNA the nucleotides consist of a nucleic acid (differing Uracil in RNA from Thymine in DNA) a deoxygenized sug...
- I've heard similar things that when coding mRNA, it may be possible for A and G to hybridize (not bond) if there are lots of G-C bonds and A-T bond...
- Great Question! During DNA Replication and Repair there are MUTATIONS/ERRORS in coding, and it is of several types: (1) the substitution of one bas...
- Yes, it is all A,T, G and C for the mitochondrial DNA.
- DNA nucleotides are held together by hydrogen bonds that span the gap between the two strands. Adenine and Thymine have structures that allow for t...
- I found this synopsis of Rosalind's Franklin's life from the Rosalind Franklin University to be very interesting. (https://www.rosalindfranklin.edu...
Key points: DNA sequencing is the process of determining the sequence of nucleotides (As, Ts, Cs, and Gs) in a piece of DNA. In Sanger sequencing, the target DNA is copied many times, making fragments of different lengths.
Oct 19, 2023 · Deoxyribonucleic acid, or DNA, is a molecule containing instructions on how to make a living organism. Its structure and sequence instruct the cell on how to make proteins, which go on to carry out important functions of a cell. Many cells form tissues, many tissues form organs, and all the organs together form a living organism!
