DNA Structure Flashcard

Front

What best describes a DNA molecule?

Back

double helix

Front

Why is DNA important?

Back

It serves as the blueprint for traits of all living things.

Front

Which 2 molecules form the sides (backbone) of the DNA ladder?

Back

deoxyribose sugar and phosphate

Front

Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds

Back

hydrogen bonds

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

Cytosine always pairs with

Back

Guanine

Front

Name this structure

Back

nucelotide

Front

Which organelle is DNA usually found in? Options: cell membrane, vacuole, ribosome, nucleus

Back

nucleus

Front

Nucleotides are made up of a sugar, phosphate, and..?

Back

nitrogenous base

Front

What is the complement to the DNA strand below:
5'-ATGCCAT-3'

Back

3'-TACGGTA-5'