In a few words, what is DNA?
"identify components of DNA, explain how the nucleotide sequence specifies some traits of an organism, and examine scientific explanations for the origin of DNA;"
DNA is a molecule that contains the genetic instructions used in the development and functioning of all known living organisms. DNA is composed of four nucleotides: adenine, thymine, cytosine, and guanine. DNA sequencing is the process of determining the exact order of nucleotides in a DNA molecule.
DNA: The Basics
DNA (Deoxyribonucleic acid) is a molecule that carries genetic information in living organisms. The DNA molecule is made up of two strands that are intertwined in the shape of a double helix. DNA is typically composed of four different types of nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
DNA stands for deoxyribonucleic acid and it is the genetic material found in almost all living organisms. DNA was first discovered in 1869 by a Swiss scientist named Friedrich Miescher. DNA is made up of four different nitrogenous bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
Did you know?
Work together in pairs: What is the relationship between the nucleotide sequence of DNA and the traits of an organism?
Work together in pairs: What is the difference between DNA and RNA?
Brain break: Draw an octopus wearing an eye patch and holding a treasure chest full of pizza slices.
What does DNA stand for?
- Deoxyribonucleic acid
- Ribonucleic acid
- Adenosine triphosphate
Which of the following is NOT a component of DNA?
What shape does DNA have?
- Double helix
- Single strand
- Triple helix
Which bases pair together in DNA?
- A-T and C-G
- A-C and T-G
- C-A and G-T
Where is DNA found within the cell?
- Endoplasmic reticulum