What is DNA?
DNA stands for ___________________________
What is deoxyribonucleic acid
DNA has how many nitrogenous bases?
What is four
The type of bond that holds base pairs together is? (Hint: The weaker one)
What is a hydrogen bond
DNA has a specific shape called a _____________________, which can be described as a twisted ladder.
What is a double helix
Base-pairing rules state that A always pairs with ____.
What is T (Thymine)
DNA is which of following organic molecules? A) A lipid B) A carbohydrate C) A protein D) A nucleic acid
What is a nucleic acid
What is the name for the base represented by an (A)?
What is Adenine
A strand of DNA is supported by its "backbones". Which two molecules make up the backbone of DNA?
What are sugars and phosphates
True/False: DNA exists normally in your cells as a single-strand of nucleotides, having one backbone connected to nitrogenous bases.
What is False (DNA is double-stranded)
Base-pairing rules state that G always pairs with _____.
What is C (Cytosine)
A nucleic acid is made up of smaller units, or building blocks, called ____________________
What are nucleotides
What is the name for the base represented by a (G)?
What is Guanine
The type of bond that holds the two molecules together that make up the backbone is? (Hint: Stronger one)
What is a covalent bond
Thinking back to the twisted ladder analogy, what do the sides of the ladder represent?
What are the backbones of DNA (made up of sugars and phosphates)
If one side of a strand of DNA reads ATCGA, use the base-pair rules to come up with the sequence on the other, complementary strand of the same DNA. (Complementary means matching)
What is TAGCT Because... A=T T=A C=G G=C A=T
DNA nucleotides are made up of these three components:
What are 1. A sugar 2. A phosphate 3. A nitrogen base (need all 3 to be correct)
What is the name for the base represented by a (C)?
What is Cytosine
Pyrimidines are used to describe nitrogen bases that contain how many rings? (Hint: big word small structure)
What is one ring
What is the name of the scientist who extracted DNA from certain cells, took x-ray photographs of it, and saw an x-shaped picture?
Who is Rosalind Franklin (just Franklin is okay)
One strand of DNA reads GGACTTC, what is the sequence on the other, complementary strand?
What is CCTGAAG
The sugar in DNA is made up of 5 carbons, what is the specific name for this 5-carbon sugar in DNA? (Hint: the D in DNA)
What is deoxyribose
What is the name for the base represented by a (T)?
What is Thymine
Purines are the name used to describe nitrogen bases that have how many rings?
What is two
What two scientists discovered the structure of the DNA molecule?
Who are Watson and Crick