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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
DNA has how many nitrogenous bases?
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 which of following organic molecules? A) A lipid B) A carbohydrate C) A protein D) A nucleic acid
What is a nucleic acid
200
What is the name for the base represented by an (A)?
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
A nucleic acid is made up of smaller units, or building blocks, called ____________________
What are nucleotides
300
What is the name for the base represented by a (G)?
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

What does a strand of DNA look like during DNA replication

What is a fork or line with bubbles

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
What is the name for the base represented by a (C)?
What is Cytosine
400

What is the enzyme that builds the new strand of DNA during DNA replication?

What DNA Polymerase

400

Who are credited for discovering DNA- give one name

Rosalind Franklin, James Watson, Francis Crick

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

In what organelle is DNA found in the cell?

What is the nucleus

500
What is the name for the base represented by a (T)?
What is Thymine
500

What is the area called where the DNA strand sides separate to do DNA replication?

What is replication fork

500

Why is DNA replication called semi-conservative?

Half of the new DNA strand is old DNA and the other half is new

500

If there are 357 guanine molecules in a section of DNA, how many cytosines would you find?

What is 357