What is DNA?
Scientists
Chemical Structure (Harder Questions)
Discovering DNA's shape
Base-Pairing and DNA Comparison
100
DNA stands for ___________________________
What is deoxyribonucleic acid
100

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)

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 which of following macromolecules? A) A lipid B) A carbohydrate C) A protein D) A nucleic acid

What is a nucleic acid

200
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
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
A nucleic acid is made up of smaller units, or building blocks, called ____________________
What are nucleotides
300

The name of the scientist who discovered that the % A equals the % T, and the % G equals the % C was? (Fact used to support the base-pair rules)

Who is Chargaff

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
DNA nucleotides are made up of three components:
What are 1. A sugar 2. A phosphate 3. A nitrogen base (need all 3 to be correct)
400

In Hershey and Chase's experiment, the ....

DNA was labeled with __________.

Protein was labeled with __________. 

DNA = Phosphorus-32

Protein = Sulfur-35

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 proteins that directly bind to DNA and help package it into chromosomes?

What is Histones

400
One strand of DNA reads GGACTTC, what is the sequence on the other, complementary strand?
What is CCTGAAG
500
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
500

Griffith's Experiment Showed: (Answer Alive or Dead)

R strain = 

S strain = 

S Heat Killed = 

R strain + S Heat Killed =

R strain = alive

S strain = dead

S heat killed = alive

R strain + S heat killed = dead

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

What is it called when two strands are separated and each strand forms new base pairs?

What is DNA Replication

500

What are 3 ways DNA differs from RNA?

1. DNA = deoxyribose sugar ; RNA = ribose sugar

2. DNA = double stranded ; RNA = single stranded

3. DNA = A,T,C,G ; RNA = A,U,C,G 

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