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What is DNA? and DNA as Genetic Material
The Structure of Nucleotides and DNA
The Importance of Nucleotide Sequences and The Replication of DNA
How DNA Replicates and Copying DNA
Additional Questions
100
What does DNA stand for?
What is deoxyribonucleic acid
100
What do repeating units, known as nucleotides, make up?
What are DNA molecules
100
Why does a strand of DNA differ from another?
What is the order of the four nucleotides on a strand of DNA cause differences between DNA
100
What needs to be copied for DNA to replicate?
What are chromosomes
100
Do all living things have protein?
What is yes
200
What ultimately determines an organism’s traits?
What is the genetic information held in the molecules of DNA
200
What are the four nitrogenous bases? What nitrogenous bases bond together?
What is Adenine, Thymine, Cytosine, and Guanine; A&T and C&G
200
What do the different orders of nitrogenous bases form?
What is unique genetic information of an organism
200
What 'unzips' DNA's double helix?
What are specialized enzymes
200
How many strands is DNA made of?
What is two
300
When does DNA achieve control?
What is when it determines the structure of proteins
300
What did scientists Francis Crick and James Watson propose?
What is DNA is 2 chains of nucleotides, held together by nitrogenous bases; Nitrogenous bases are held together with weak hydrogen bonds
300
What is the backbone of DNA made of?
What is the bond between the sugar of one nucleotide and the phosphate group of the next nucleotide
300
What bases are exposed and attract their complimentary bases?
What are the purine and pyrimidine bases
300
How many parts do nucleotides have?
What is three
400
What do all actions depend on?
What are proteins known as enzymes
400
What can be determined if you have one strand of DNA, based on the fact that certain nitrogenous bases only bond with certain other ones?
What are the order of nitrogenous bases on the other strand
400
When the sugar of one nucleotide and the phosphate group of the next nucleotide bond, what type of bond occurs?
What is a covalent bond
400
What enzyme joins all the nucleotide components to one another, forming a long strand of nucleotides?
What is DNA polymerase
400
What was believed to be genetic material prior in 1950?
What is protein
500
What two scientists proved that DNA is the genetic material in 1952?
Who are Alfred Hershey and Martha Chase
500
When DNA coils, what shape is created?
What is double helix
500
What sequences do scientists use to understand relationships between organisms?
What are nucleotide sequences?
500
When an old strand unites with the new strand to reform a double helix, what process it occurring?
What is DNA replication
500
Why are enzymes critical for an organism's function?
What is they control the chemical reactions for life