DNA Structure, Base Pairs & Diagram - Study.com
Nov 21, 2023 · DNA stands for deoxyribonucleic acid and is the source of genetic material in Eukaryotes. A DNA molecule is made up of smaller units called , which consist of one of the four nitrogenous bases, a ...
DNA Base Pair | Definition, Structure & Pairing - Lesson - Study.com
Nov 21, 2023 · DNA is the genetic material of the cell and contains all the information needed for cell structure and function. DNA is shaped like a double helix. It is made of two strands of nucleotides twisted ...
Pyrimidine | Definition, Bases & Structure - Lesson - Study.com
Nov 21, 2023 · A pyrimidine is an organic compound known as an aromatic heterocyclic compound and has the molecular formula of C 4 H 4 N 2. Heterocyclic compounds are stable, ring-shaped compounds in which not ...
Erwin Chargaff's Experiment | Overview, Discoveries & Rules
Nov 21, 2023 · Erwin Chargaff was an Austrian-Hungarian biochemist born in Czernowitz, Austria who developed the Chargaff Rules. These rules helped to determine and established the pattern of nitrogenous base ...
Adenine, Thymine, Guanine & Cytosine | Overview & Pairing
Nov 21, 2023 · The four bases are incorporated into DNA as nucleotides. Three parts make up a nucleotide: A Nitrogenous base — either adenine, thymine, guanine, or cytosine. A Sugar — either ribose (in RNA ...
Nitrogenous Base | Definition, List & Pairs - Lesson - Study.com
Nov 21, 2023 · Adenine is a nitrogenous base represented by the symbol A in DNA and RNA. It is a purine base and contains two nitrogenous rings fused together. The chemical formula for adenine is C5H5N5. Adenine ...
Writing Complementary DNA Sequences | Chemistry - Study.com
The possible bases are: Adenine (A) Thymine (T) Cytosine (C) Guanine (G) Complementary Sequence: Since DNA has two strands, every DNA sequence has a complementary sequence running parallel. In the ...
Helicase in DNA Replication | Definition & Function - Lesson
Nov 21, 2023 · DNA helicase is an enzyme that unwinds the DNA double helix by breaking the hydrogen bonds between the complementary bases. It's easy to remember the name because it has part of the word helix in it.
DNA Mismatch Repair | Overview, Process & Mechanism
Nov 21, 2023 · Nucleotide bases in DNA include cytosine, adenine, guanine, and thymine. The order or sequence of the nucleotide bases encodes the process that is carried out by the cell during transcription.
Complementary Base Pairing | Definition, Rules & Examples
Nov 21, 2023 · This lesson will explain nitrogenous bases, types of bases, and complementary base pairs in both DNA and RNA. It will also cover the rules of base pairing and provide examples. Updated: 11/21/2023