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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

CGA -> ______

GCT

200

What are the 3 parts of a Nucleotide?

Base, 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

TAC  GAT

ATG  CTA

300

When DNA is coiled up / compacted it is said to be a_______

Chromosome

300

Helicase is an enzyme that....

Splits the 2 strands of DNA

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

CCC  GAT

GGG CTA

400

A section of DNA that controls a trait is a _______


( hint: eye color, skin tone ect..)

gene

400

What does SEMI-CONSERVATIVE mean?

Saves the original strand.


1/2 new 1/2 old

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

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

What is Thymine

500

The rungs of the ladder are composed of .....


( rungs = where you put your feet) 

BASES

500

The 2 sides of DNA are held together by what type of bond?

a) ionic

b) covalent

c) hydrogen

HYDROGEN BOND

500

What is the name of the 2 scientists that discovered the shape of DNA?

Watson and Crick