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What is DNA?
You've got that super "BASE"
Chemical Structure (Harder Questions)
Discovering DNA's shape
Base-Pairing Rules
100
DNA stands for ___________________________
What is deoxyribonucleic acid
100

The number of kinds of nitrogen bases in DNA

What is four

100

The type of bond that holds base pairs together is? (Hint: The weaker one)

What is a hydrogen bond

100
DNA has a specific shape called a _____________________, which can be described as a twisted ladder.
What is a double helix
100

Base-pairing rules state that A always pairs with ____.

What is T (Thymine)

200

DNA is this kind of biomolecule.

What is a nucleic acid?

200

This base will bond with Thymine in DNA

What is Adenine

200
A strand of DNA is supported by its "backbones". Which two molecules make up the backbone of DNA?
What are sugars and phosphates
200
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)
200
Base-pairing rules state that G always pairs with _____.
What is C (Cytosine)
300

The monomers of DNA, RNA and all nucleic acids.

What are nucleotides?

300

This base will hydrogen bond with Cytosine

What is Guanine

300
The type of bond that holds the two molecules together that make up the backbone is? (Hint: Stronger one)
What is a covalent bond
300
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)
300

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

400

These three components make up a nucleotide.

What are 1. A sugar 2. A phosphate 3. A nitrogen base (need all 3 to be correct)

400

This base will replace Thymine in RNA

What is Uracil

400
Pyrimidines are used to describe nitrogen bases that contain how many rings? (Hint: Think pie for pyrimidine)
What is one ring
400
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)
400

One strand of DNA reads GGACTTC, what is the sequence on the other, complementary strand?

What is CCTGAAG

500

The name of the sugar in DNA, made up of 5 carbons, (Hint: the D in DNA)

What is deoxyribose

500

The base not found in RNA

What is Thymine

500
Purines is the name used to describe nitrogen bases that have how many rings?
What is two
500

What were the names of the two scientists who first modeled the structure of a DNA molecule as a twisted, double-helix shape.

Who are Watson & Crick

500

If there is 20 % Adenine and 30% Guanine then this is the percentage of Thymine

What is 20%