Term

What is DNA? What do the letters DNA stand for? Make sure you can spell it.

Definition

DNA stands for Deoxyribonucleic Acid. It is a molecule that stores genetic information and contains instructions for an organism's growth, development, and functions. Spelling: De-ox-y-ri-bo-nu-cle-ic acid

Term

What is the basic DNA structure? what is the backbone?

Definition

DNA has a double helix structure, which looks like a twisted ladder. The backbone is made of alternating deoxyribose sugars and phosphate groups, while nitrogenous bases (A, T, C, G) form the steps of the ladder. Remember: Sugar + Phosphate = DNA backbone. 💖

Term

what are the rungs of the DNA ladder?

Definition

The rungs (steps) of the DNA ladder are made of nitrogenous base pairs held together by hydrogen bonds. - Adenine (A) pairs with Thymine (T). - Cytosine (C) pairs with Guanine (G). Remember: A pairs with T, and C pairs with G.